Exemplo n.º 1
0
/*在图像上画单个OXFD特征点
参数:
img:图像指针
feat:要画的特征点
color:颜色
*/
static void draw_oxfd_feature(IplImage* img, struct feature* feat,
	CvScalar color)
{
	double m[4] = { feat->a, feat->b, feat->b, feat->c };
	double v[4] = { 0 };		//特征向量的数据 
	double e[2] = { 0 };		//特征值的数据 
	CvMat M, V, E;
	double alpha, l1, l2;

	//计算椭圆的轴线和方向  
	cvInitMatHeader(&M, 2, 2, CV_64FC1, m, CV_AUTOSTEP);		//矩阵
	cvInitMatHeader(&V, 2, 2, CV_64FC1, v, CV_AUTOSTEP);		//2个2*1的特征向量组成的矩阵 
	cvInitMatHeader(&E, 2, 1, CV_64FC1, e, CV_AUTOSTEP);		//特征值  
	cvEigenVV(&M, &V, &E, DBL_EPSILON, 0, 0);					//计算特征值和特征向量
	l1 = 1 / sqrt(e[1]);
	l2 = 1 / sqrt(e[0]);
	alpha = -atan2(v[1], v[0]);
	alpha *= 180 / CV_PI;

	//画椭圆和十字星 
	cvEllipse(img, cvPoint(feat->x, feat->y), cvSize(l2, l1), alpha,
		0, 360, CV_RGB(0, 0, 0), 3, 8, 0);
	cvEllipse(img, cvPoint(feat->x, feat->y), cvSize(l2, l1), alpha,
		0, 360, color, 1, 8, 0);
	cvLine(img, cvPoint(feat->x + 2, feat->y), cvPoint(feat->x - 2, feat->y),
		color, 1, 8, 0);
	cvLine(img, cvPoint(feat->x, feat->y + 2), cvPoint(feat->x, feat->y - 2),
		color, 1, 8, 0);
}
Exemplo n.º 2
0
/*
Draws a single Oxford-type feature

@param img image on which to draw
@param feat feature to be drawn
@param color color in which to draw
*/
void draw_oxfd_feature( IplImage* img, struct feature* feat, CvScalar color )
{
	double m[4] = { feat->a, feat->b, feat->b, feat->c };
	double v[4] = { 0 };
	double e[2] = { 0 };
	CvMat M, V, E;
	double alpha, l1, l2;

	/* compute axes and orientation of ellipse surrounding affine region */
	cvInitMatHeader( &M, 2, 2, CV_64FC1, m, CV_AUTOSTEP );
	cvInitMatHeader( &V, 2, 2, CV_64FC1, v, CV_AUTOSTEP );
	cvInitMatHeader( &E, 2, 1, CV_64FC1, e, CV_AUTOSTEP );
#if CV_MAJOR_VERSION==1
	cvEigenVV( &M, &V, &E, DBL_EPSILON );
#else
	cvEigenVV( &M, &V, &E, DBL_EPSILON, -1,-1 );
#endif
	l1 = 1 / sqrt( e[1] );
	l2 = 1 / sqrt( e[0] );
	alpha = -atan2( v[1], v[0] );
	alpha *= 180 / CV_PI;

	cvEllipse( img, cvPoint( feat->x, feat->y ), cvSize( l2, l1 ), alpha,
				0, 360, CV_RGB(0,0,0), 3, 8, 0 );
	cvEllipse( img, cvPoint( feat->x, feat->y ), cvSize( l2, l1 ), alpha,
				0, 360, color, 1, 8, 0 );
	cvLine( img, cvPoint( feat->x+2, feat->y ), cvPoint( feat->x-2, feat->y ),
			color, 1, 8, 0 );
	cvLine( img, cvPoint( feat->x, feat->y+2 ), cvPoint( feat->x, feat->y-2 ),
			color, 1, 8, 0 );
}
Exemplo n.º 3
0
//在图像srcImg上根据contour轮廓画上最小外接椭圆
CvBox2D DrawMinAreaEllipse(IplImage *srcImg,CvSeq *contour,CvScalar color/*=CV_RGB(255,0,0)*/)
{
	int count = contour->total; // This is number point in contour
	CvPoint center;
	CvSize size;
	CvBox2D box;

	if( count < 6 )
		return box;

	CvMat* points_f = cvCreateMat( 1, count, CV_32FC2 );
	CvMat points_i = cvMat( 1, count, CV_32SC2, points_f->data.ptr );
	cvCvtSeqToArray( contour, points_f->data.ptr, CV_WHOLE_SEQ );
	cvConvert( &points_i, points_f );
	// 椭圆拟合
	box = cvFitEllipse2( points_f );
	cout<<"拟合的椭圆参数:angle="<<box.angle<<",center=("<<box.center.x<<","
		<<box.center.y<<")"<<",size(w,h)=("<<box.size.width<<","<<box.size.height<<")"<<endl;
	// 获得椭圆参数
	center = cvPointFrom32f(box.center);
	size.width = cvRound(box.size.width*0.5)+1;
	size.height = cvRound(box.size.height*0.5)+1;
	// 画椭圆
	cvEllipse(srcImg, center, size,
		-box.angle, 0, 360,	color, 1, CV_AA, 0);
	cvReleaseMat(&points_f);
	return box;
}
Exemplo n.º 4
0
void MarkOut(IplImage *img, CvRect *rc, CvRect *parentRc, double scale, char shape, 
			 CvScalar color/* = CV_RGB(255, 0, 0)*/, int thickness/* = 1*/)
{
	// 如果指定了parentRc,则parentRc是相对于img的坐标,而rc是相对于parentRc的坐标
	int	px = (parentRc ? parentRc->x : 0),
		py = (parentRc ? parentRc->y : 0);

	if(shape == 'r') // 画矩形
	{
		cvRectangle(img,
			cvPoint(cvRound((px + rc->x)*scale), cvRound((py + rc->y)*scale)),
			cvPoint(cvRound((px + rc->x + rc->width)*scale), cvRound((py + rc->y + rc->height)*scale)),
			color, thickness, 8, 0);
	}
	else if (shape == 'e') // 画椭圆
	{
		CvPoint		center;
		CvSize		axes;
		center.x = cvRound((px+rc->x + rc->width*0.5)*scale);
		center.y = cvRound((py+rc->y + rc->height*0.5)*scale);
		axes.width = cvRound(rc->width*0.5*scale);
		axes.height = cvRound(rc->height*0.5*scale);

		//printf("w:%d h:%d\n", axes.width, axes.height);
		cvEllipse(img, center, axes, 0, 0, 360, color, thickness);
	}
	else if (shape == 'l') // 画线
	{
		cvLine(img,
			cvPoint(cvRound((px + rc->x)*scale), cvRound((py + rc->y + rc->height/2)*scale)),
			cvPoint(cvRound((px + rc->x + rc->width)*scale), cvRound((py + rc->y + rc->height/2)*scale)),
			color, thickness);
	}

}
Exemplo n.º 5
0
void
Ellipse::draw(Image& img, double intensity, int thickness, int line_type) const
{
  CV_FUNCNAME( "Ellipse::draw" );
  __BEGIN__;
 
  int shift = 0;
  double fixpoint_factor = static_cast<double>(1 << shift);
  CvPoint center = cvPoint( cvRound(this->params_.center.x * fixpoint_factor), cvRound(this->params_.center.y * fixpoint_factor) );
  CvSize  axes   = cvSize(cvRound(this->params_.size.width * fixpoint_factor * 0.5) , cvRound(this->params_.size.height * fixpoint_factor * 0.5) );
  double angle   = static_cast<double>( - this->params_.angle ) * 180 / CV_PI;
  
  CV_CALL( cvEllipse(img.get_ipl_image(),
                     center,
                     axes,
                     angle,
                     0,
                     360,
                     cvRealScalar(intensity),
                     thickness,
                     line_type) );
  
  __END__;
  __ISL_CHECK_ERROR__;
}
Exemplo n.º 6
0
// --------------------------------------------------------------------------
void BlobModel::UpdateHeatMap(IplImage* motionmap) {
	// for each head candidate draw a circle on the floor; add it to the heatmap image
	// NOTE: due to scaling, circle becomes an ellipse
	double BLOB_RADIUS = 50; // blob projection on the floor average radius in centimeters 
	bool oneclose = false;
	for (int i=0;i<blob.GetCount();i++) {
		CvSeq* heads = doc->blobmodel.blob[i]->heads;
		for (int j=0;j<heads->total;j++) {
			BlobRay* br = (BlobRay*)cvGetSeqElem(heads, j);
			CvPoint3D32f head, foot;
			doc->cameramodel.coordsImage2RealSameXY_Feet2Floor(cvPointTo32f(br->p1), cvPointTo32f(br->p2), &head, &foot);
			// ignore short candidates
			if (head.z < doc->bodymodel.m_minHeight)
				continue;
			// ignore repeating artifact closeby candidates
			if (oneclose)
				continue;
			if (d(foot) < BLOB_RADIUS*2)
				oneclose = true;

			CvPoint c = doc->floormodel.coordsReal2Floor(foot);
			CvSize axes = doc->floormodel.sizeReal2Floor(cvSize2D32f(BLOB_RADIUS, BLOB_RADIUS)); 
			cvZero(motionmaptemp);
			cvEllipse(motionmaptemp, c, axes, 0, 0, 360, cvScalar(1), CV_FILLED);
			cvAcc(motionmaptemp, motionmap);
		}
	}
}
Exemplo n.º 7
0
// 画椭圆函数
void draw_ellipse(IplImage* img)
{
	if(g_ellipse_center.x == -1)
		return;
	CvScalar value = getRandColor();
	cvEllipse( img, g_ellipse_center, g_ellipse_axes, 0, 0, 360, value, 2 );
}
Exemplo n.º 8
0
// Define trackbar callback functon. This function find contours,
// draw it and approximate it by ellipses.
void process_image(int h)
{
    CvMemStorage* storage;
    CvSeq* contour;

    // Create dynamic structure and sequence.
    storage = cvCreateMemStorage(0);
    contour = cvCreateSeq(CV_SEQ_ELTYPE_POINT, sizeof(CvSeq), sizeof(CvPoint) , storage);

    // Threshold the source image. This needful for cvFindContours().
    cvThreshold( image03, image02, slider_pos, 255, CV_THRESH_BINARY );

    // Find all contours.
    cvFindContours( image02, storage, &contour, sizeof(CvContour),
                    CV_RETR_LIST, CV_CHAIN_APPROX_NONE, cvPoint(0,0));

    // Clear images. IPL use.
    cvZero(image02);
    cvZero(image04);

    // This cycle draw all contours and approximate it by ellipses.
    for(;contour;contour = contour->h_next)
    {
        int count = contour->total; // This is number point in contour
        CvPoint center;
        CvSize size;
        CvBox2D box;

        // Number point must be more than or equal to 6 (for cvFitEllipse_32f).
        if( count < 6 )
            continue;

        CvMat* points_f = cvCreateMat( 1, count, CV_32FC2 );
        CvMat points_i = cvMat( 1, count, CV_32SC2, points_f->data.ptr );
        cvCvtSeqToArray( contour, points_f->data.ptr, CV_WHOLE_SEQ );
        cvConvert( &points_i, points_f );

        // Fits ellipse to current contour.
        box = cvFitEllipse2( points_f );

        // Draw current contour.
        cvDrawContours(image04,contour,CV_RGB(255,255,255),CV_RGB(255,255,255),0,1,8,cvPoint(0,0));

        // Convert ellipse data from float to integer representation.
        center = cvPointFrom32f(box.center);
        size.width = cvRound(box.size.width*0.5);
        size.height = cvRound(box.size.height*0.5);

        // Draw ellipse.
        cvEllipse(image04, center, size,
                  -box.angle, 0, 360,
                  CV_RGB(0,0,255), 1, CV_AA, 0);

        cvReleaseMat(&points_f);
    }

    // Show image. HighGUI use.
    cvShowImage( "Result", image04 );
}
Exemplo n.º 9
0
void  cvEllipseAA( CvArr* img, CvPoint center, CvSize axes,
                   double angle, double start_angle,
                   double end_angle, double color,
                   int scale)
{
    cvEllipse( img, center, axes, angle, start_angle, end_angle,
               cvColorToScalar(color, cvGetElemType(img)), 1, CV_AA, scale );
}
Exemplo n.º 10
0
void moBlobTrackerModule::applyFilter(IplImage *src) {
	IplImage* fg_map = NULL;

	assert( src != NULL );
	CvSize size = cvGetSize(src);

	if ( src->nChannels != 1 ) {
		this->setError("BlobTracker input image must be a single channel binary image.");
		this->stop();
		return;
	}

	this->tracker->Process(src, fg_map);

	cvSet(this->output_buffer, CV_RGB(0,0,0));
	this->clearBlobs();

	for ( int i = this->tracker->GetBlobNum(); i > 0; i-- ) {
		CvBlob* pB = this->tracker->GetBlob(i-1);

		int minsize = this->property("min_size").asInteger();
		int maxsize = this->property("max_size").asInteger();
		// Assume circular blobs
		if (pB->w < minsize || maxsize < pB->w || pB->h < minsize || maxsize < pB->h)
			continue;
		// draw the blob on output image
		if ( this->output->getObserverCount() > 0 ) {
			CvPoint p = cvPoint(cvRound(pB->x*256),cvRound(pB->y*256));
			CvSize  s = cvSize(MAX(1,cvRound(CV_BLOB_RX(pB)*256)), MAX(1,cvRound(CV_BLOB_RY(pB)*256)));
			int c = cvRound(255*this->tracker->GetState(CV_BLOB_ID(pB)));

			cvEllipse(this->output_buffer, p, s, 0, 0, 360,
				CV_RGB(c,255-c,0), cvRound(1+(3*0)/255), CV_AA, 8);
		}

		LOGM(MO_DEBUG, "Blob: id="<< pB->ID <<" pos=" << pB->x \
			<< "," << pB->y << "size=" << pB->w << "," << pB->h);

		// add the blob in data
		moDataGenericContainer *touch = new moDataGenericContainer();
		touch->properties["type"] = new moProperty("blob");
		touch->properties["id"] = new moProperty(pB->ID);
		touch->properties["x"] = new moProperty(pB->x / size.width);
		touch->properties["y"] = new moProperty(pB->y / size.height);
		touch->properties["w"] = new moProperty(pB->w);
		touch->properties["h"] = new moProperty(pB->h);
		this->blobs.push_back(touch);
	};

	this->output_data->push(&this->blobs);
}
Exemplo n.º 11
0
/*================================================================
  Name     : DrawFundamental
  Argument : IplImage* img : 描写する画像のIplImage構造体
  Return   : no return
  About    : x軸y軸を描写した後、
       -45〜225(deg)までの円弧を描写する
  Author   : Ryodo Tanaka
=================================================================*/
void DrawFundamental(IplImage* img)
{ 
  int i; 

  //原点座標
  center_pt.x = (int)(img -> width / 2);
  center_pt.y = (int)(img -> height / 2);
 
  //横軸 la_pt1->la_pt2
  la_pt1.x = 0;
  la_pt1.y = center_pt.y;
  la_pt2.x = (int)(img -> width);
  la_pt2.y = center_pt.y;
  cvLine(img,la_pt1,la_pt2,CV_RGB(250,250,250),2,8,0);

  //縦軸 lo_pt1->lo_pt2
  lo_pt1.x = center_pt.x;
  lo_pt1.y = 0;
  lo_pt2.x = center_pt.x;
  lo_pt2.y = (int)(img -> height);

  cvLine(img,lo_pt1,lo_pt2,CV_RGB(250,250,250),2,8,0);

  //斜め軸(+-30deg直線) center_pt->slant_pt1 and slant_pt2
  slant_pt1.x = 0;
  slant_pt1.y = (int)(img -> height);
  slant_pt2.x = (int)(img -> width); 
  slant_pt2.y = (int)(img -> height);

  cvLine(img,center_pt,slant_pt1,CV_RGB(250,250,250),2,8,0);
  cvLine(img,center_pt,slant_pt2,CV_RGB(250,250,250),2,8,0);

  /* //指定表示角度の線 center_pt->limit_pt1 and limit_pt2 */
  /* limit_pt1.x = center_pt.x + (int)((img -> width/2)*cos(120*PI/180)); */
  /* limit_pt1.y = center_pt.y - (int)((img -> height/2)*sin(120*PI/180)); */
  /* limit_pt2.x = center_pt.x + (int)((img -> width/2)*cos(60*PI/180)); */
  /* limit_pt2.y = center_pt.y - (int)((img -> height/2)*sin(60*PI/180)); */
 
  /* cvLine(img,center_pt,limit_pt1,CV_RGB(255,0,0),1,8,0); */
  /* cvLine(img,center_pt,limit_pt2,CV_RGB(255,0,0),1,8,0); */

  //FIRSTRANGE〜LASTRANGE(deg)までの円を40pix(=1m)おきに描写する
  for(i=0; i<5; i++){
    ellipse.width = (i+1)*(img->width/2)/5;
    ellipse.height = (i+1)*(img->height/2)/5;
    cvEllipse(img,center_pt,ellipse,0,-225,45,CV_RGB(250,250,250),1,8,0);
  }

}
Exemplo n.º 12
0
Point2f EyeTracker::detectPupil()
{
	/* 
	 * Uses cvHoughCircles to find circles on gray eye image. 
	 * Sets prev_center with last circle.
	 */
	doHoughTransform();

	/* Sets featurePoints */
	noktadanAcil();

	CvPoint2D32f p32[NPOINTS];
	CvBox2D box;

	for(size_t i = 0; i < featurePoints.size(); ++i)
	{
		p32[i] = cvPoint2D32f( featurePoints[i].x, featurePoints[i].y );
	}

	cvFitEllipse(p32, NPOINTS, &box);

	cvEllipse(grayEyeImagePts, 
			  cvPoint((int)box.center.x, (int)box.center.y),
			  cvSize((int)(box.size.width/2), (int)(box.size.height/2)),
			  box.angle, 
			  0, 
			  360, 
			  cvScalar(WHITE, 0, 0, 0), 
			  3);

	cout << "x=" << (int)box.center.x << "-y=" << (int) box.center.y << endl;
	
	if(box.size.width < 1)
	{
		firstDetect = false;
	}

	else
	{
		/* Adds point to centerList, sets aver_center to average of centerList */
		addToList(cvPoint( cvRound(box.center.x), cvRound(box.center.y) ) );
		prev_center.x = (int)box.center.x;
		prev_center.y = (int)box.center.y;
	}

	return box.center;
}
Exemplo n.º 13
0
void draw_ellipses(IplImage *img, int min_cnt, int max_cnt)
{
	int i, val, cnt;
	CvPoint center;
	CvSize axes;
	double angle;
	CvScalar color;
	
	cnt = random_range(min_cnt, max_cnt);

	for (i = 0; i < cnt; i++) {
		val = random_range(BACKGROUND_COLOR - 60, BACKGROUND_COLOR - 20);
		color = cvScalarAll(val);

		center.x = random_range(50, IMAGE_WIDTH - 50);
		center.y = random_range(50, IMAGE_HEIGHT - 50);
		axes.width = random_range(5, 40);
		axes.height = random_range(5, 40);
		angle = random_range(0, 180);
		cvEllipse(img, center, axes, angle, 0.0, 360.0, color, 1, CV_AA, 0);
	}	
}
Exemplo n.º 14
0
void DrawImage(IplImage* pImg)
{
	if (pImg == NULL)
		return;

	cvZero(pImg);

	for (int i = 0; i < 6; i++)
	{
		int dx = (i % 2) * 250 - 30;
		int dy = (i / 2) * 150;
		CvScalar white = cvRealScalar(255);
		CvScalar black = cvRealScalar(0);

		if (i == 0)
		{
			for (int j = 0; j <= 10; j++)
			{
				double angle = (j + 5)*CV_PI / 21;
				cvLine(pImg, cvPoint(cvRound(dx + 100 + j * 10 - 80 * cos(angle)),
					cvRound(dy + 100 - 90 * sin(angle))),
					cvPoint(cvRound(dx + 100 + j * 10 - 30 * cos(angle)),
						cvRound(dy + 100 - 30 * sin(angle))), white, 1, 8, 0);
			}
		}

		cvEllipse(pImg, cvPoint(dx + 150, dy + 100), cvSize(100, 70), 0, 0, 360, white, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 115, dy + 70), cvSize(30, 20), 0, 0, 360, black, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 185, dy + 70), cvSize(30, 20), 0, 0, 360, black, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 115, dy + 70), cvSize(15, 15), 0, 0, 360, white, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 185, dy + 70), cvSize(15, 15), 0, 0, 360, white, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 115, dy + 70), cvSize(5, 5), 0, 0, 360, black, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 185, dy + 70), cvSize(5, 5), 0, 0, 360, black, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 150, dy + 100), cvSize(10, 5), 0, 0, 360, black, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 150, dy + 150), cvSize(40, 10), 0, 0, 360, black, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 27, dy + 100), cvSize(20, 35), 0, 0, 360, white, -1, 8, 0);
		cvEllipse(pImg, cvPoint(dx + 273, dy + 100), cvSize(20, 35), 0, 0, 360, white, -1, 8, 0);
	}

}
void CueContrastKernel::obtainInput() {

	CVImage* cvgrayimg = cvGrayImageIn.getBuffer();
	if(!cvgrayimg) { std::cerr << getName() << "::execute()::ERROR::cvGrayImageIn is NULL!\n";  return; }

	if(!mp_cvimg1) {
		CvSize imgsize = cvSize(cvgrayimg->width, cvgrayimg->height);
		mp_cvimg1 = new CVImage(imgsize, CV_8UC1, 0);
		mp_cvimg2 = new CVImage(imgsize, CV_8UC1, 0);

		mp_cvminimg = new CVImage(imgsize, CV_8UC1, 0);
		mp_cvmaximg = new CVImage(imgsize, CV_8UC1, 0);
		
		mdp_cvimg[0] = mp_cvimg1;
		mdp_cvimg[1] = mp_cvimg2;
	}

	Ipp8u* srcData = (Ipp8u*)(cvgrayimg->ipl->imageData);
	int width = cvgrayimg->width;
	int height = cvgrayimg->height;
	for(unsigned int i = 0;i<m_dimData;++i){
		int scale = m_contrastscale[i];
		IppiSize kernel1 = {scale, scale};
		IppiPoint anchor1 = {(scale-1)>>2, (scale-1)>>2};
		IppiSize roi1 = {width-scale+1, height-scale+1};
		Ipp8u* targetData = (Ipp8u*)(mp_cvminimg->ipl->imageData);
		ippiFilterMin_8u_C1R(srcData, width, targetData, width, roi1, kernel1, anchor1);
		targetData = (Ipp8u*)(mp_cvmaximg->ipl->imageData);
		ippiFilterMax_8u_C1R(srcData, width, targetData, width, roi1, kernel1, anchor1);
		unsigned char* maxdata = (unsigned char*)(mp_cvmaximg->ipl->imageData);
		unsigned char* mindata = (unsigned char*)(mp_cvminimg->ipl->imageData);
		unsigned char* contdata = (unsigned char*)(mdp_cvimg[i]->ipl->imageData);
		int widthstep = mdp_cvimg[i]->ipl->widthStep;
		for(int y = 0; y < height; ++y) {
			for(int x = 0; x < width; ++x) {
		        int pos = x + y*widthstep;
				float tempmin = (float)(mindata[pos]);
				float tempmax = (float)(maxdata[pos]);
				if ( (tempmin + tempmax) != 0.0 ) contdata[pos] = cvRound((tempmax-tempmin)/(tempmax+tempmin)*255.0);
				else contdata[pos] = 0;
			}
		}
	}

	cvImage1Out.setBuffer(mdp_cvimg[0]);
	cvImage1Out.out();
	
	cvImage2Out.setBuffer(mdp_cvimg[1]);
	cvImage2Out.out();

/*
	CVImage* cvrgbimg = cvImageIn.getBuffer();
	if(!cvrgbimg) { std::cerr << getName() << "::execute()::ERROR::cvImageIn is NULL!\n";  return; }

	if(!mp_cvimg1) {
		CvSize imgsize = cvSize(cvrgbimg->width, cvrgbimg->height);
		mp_cvimg1 = new CVImage(imgsize, CV_8UC1, 0);
		mp_cvimg2 = new CVImage(imgsize, CV_8UC1, 0);
		mp_cvimg3 = new CVImage(imgsize, CV_8UC1, 0);
	}

	if(m_colormode == USE_RGB){
		cvCvtPixToPlane( cvrgbimg->ipl, mp_cvimg3->ipl, mp_cvimg2->ipl, mp_cvimg1->ipl, NULL );
	}
	else if(m_colormode == USE_HSV || m_colormode == USE_HS){
		if(!mp_cvhsvimg) {
			CvSize imgsize = cvSize(cvrgbimg->width, cvrgbimg->height);
			mp_cvhsvimg = new CVImage(imgsize, CV_8UC3, 0);
		}
		cvCvtColor( cvrgbimg->ipl, mp_cvhsvimg->ipl, CV_BGR2HSV);
		cvCvtPixToPlane( mp_cvhsvimg->ipl, mp_cvimg1->ipl, mp_cvimg2->ipl, mp_cvimg3->ipl, NULL );
	}			

	mdp_cvimg[0] = mp_cvimg1;
	mdp_cvimg[1] = mp_cvimg2;
	mdp_cvimg[2] = mp_cvimg3;

	cvImage1Out.setBuffer(mp_cvimg1);
	cvImage1Out.out();

	cvImage2Out.setBuffer(mp_cvimg2);
	cvImage2Out.out();

	cvImage3Out.setBuffer(mp_cvimg3);
	cvImage3Out.out();
*/
}

void CueContrastKernel::cropNResize(CvPoint2D32f* pos, CvSize* size, float hval) {                

	if(!mp_cvmaskimg){
		mp_cvmaskimg = new CVImage(*size, CV_8UC1, 0);
	}


	CvRect inputrect;
	inputrect.x = cvRound((float)pos->x - (float)size->width/2.0);
	inputrect.y = cvRound((float)pos->y - (float)size->height/2.0);
	inputrect.width = size->width;
	inputrect.height = size->height;

	for(unsigned int i = 0;i<m_dimData;++i) {
		mdpCropResize[i]->cvImageIn.setBuffer(mdp_cvimg[i]);
		mdpCropResize[i]->rectIn.setBuffer(&inputrect);
		mdpCropResize[i]->sizeIn.setBuffer(size);
		mdpCropResize[i]->execute();
		mdp_cvcroppedimg[i] = mdpCropResize[i]->cvImageOut.getBuffer();
	}

	CvPoint maskcenter;
	maskcenter.x = cvRound((float)(size->width)/2.0 - 1.0);
	maskcenter.y = cvRound((float)(size->height)/2.0 - 1.0);
	CvSize maskaxis;
	maskaxis.width = cvRound((float)(size->width)/2.0 - 1.0);
	maskaxis.height = cvRound((float)(size->height)/2.0 - 1.0);
	drawEllipse(mp_cvmaskimg, &maskcenter, &maskaxis);

	cvTemplateOut.setBuffer(mdp_cvcroppedimg[0]);
	cvTemplateOut.out();
	cvMaskOut.setBuffer(mp_cvmaskimg);
	cvMaskOut.out();

}

void CueContrastKernel::drawEllipse(CVImage* maskimg, CvPoint* maskcenter, CvSize* maskaxis) {
	cvSetZero(maskimg->ipl);
	float angle = 0;
	float startAngle = 0;
	float endAngle = 360;
	int thickness = -1;
	cvEllipse( maskimg->ipl, *maskcenter, *maskaxis, angle, startAngle, endAngle, CV_RGB(255,255,255), thickness );
}
Exemplo n.º 16
0
/* 
 * Performs the face detection
 */
static GstFlowReturn
gst_face_detect_transform_ip (GstOpencvVideoFilter * base, GstBuffer * buf,
    IplImage * img)
{
  GstFaceDetect *filter = GST_FACE_DETECT (base);

  if (filter->cvFaceDetect) {
    GstMessage *msg = NULL;
    GstStructure *s;
    GValue facelist = { 0 };
    GValue facedata = { 0 };
    CvSeq *faces;
    CvSeq *mouth = NULL, *nose = NULL, *eyes = NULL;
    gint i;
    gboolean do_display = FALSE;

    if (filter->display) {
      if (gst_buffer_is_writable (buf)) {
        do_display = TRUE;
      } else {
        GST_LOG_OBJECT (filter, "Buffer is not writable, not drawing faces.");
      }
    }

    cvCvtColor (img, filter->cvGray, CV_RGB2GRAY);
    cvClearMemStorage (filter->cvStorage);

    faces = gst_face_detect_run_detector (filter, filter->cvFaceDetect,
        filter->min_size_width, filter->min_size_height);

    msg = gst_face_detect_message_new (filter, buf);
    g_value_init (&facelist, GST_TYPE_LIST);

    for (i = 0; i < (faces ? faces->total : 0); i++) {
      CvRect *r = (CvRect *) cvGetSeqElem (faces, i);
      guint mw = filter->min_size_width / 8;
      guint mh = filter->min_size_height / 8;
      guint rnx = 0, rny = 0, rnw, rnh;
      guint rmx = 0, rmy = 0, rmw, rmh;
      guint rex = 0, rey = 0, rew, reh;
      gboolean have_nose, have_mouth, have_eyes;

      /* detect face features */

      if (filter->cvNoseDetect) {
        rnx = r->x + r->width / 4;
        rny = r->y + r->height / 4;
        rnw = r->width / 2;
        rnh = r->height / 2;
        cvSetImageROI (filter->cvGray, cvRect (rnx, rny, rnw, rnh));
        nose =
            gst_face_detect_run_detector (filter, filter->cvNoseDetect, mw, mh);
        have_nose = (nose && nose->total);
        cvResetImageROI (filter->cvGray);
      } else {
        have_nose = FALSE;
      }

      if (filter->cvMouthDetect) {
        rmx = r->x;
        rmy = r->y + r->height / 2;
        rmw = r->width;
        rmh = r->height / 2;
        cvSetImageROI (filter->cvGray, cvRect (rmx, rmy, rmw, rmh));
        mouth =
            gst_face_detect_run_detector (filter, filter->cvMouthDetect, mw,
            mh);
        have_mouth = (mouth && mouth->total);
        cvResetImageROI (filter->cvGray);
      } else {
        have_mouth = FALSE;
      }

      if (filter->cvEyesDetect) {
        rex = r->x;
        rey = r->y;
        rew = r->width;
        reh = r->height / 2;
        cvSetImageROI (filter->cvGray, cvRect (rex, rey, rew, reh));
        eyes =
            gst_face_detect_run_detector (filter, filter->cvEyesDetect, mw, mh);
        have_eyes = (eyes && eyes->total);
        cvResetImageROI (filter->cvGray);
      } else {
        have_eyes = FALSE;
      }

      GST_LOG_OBJECT (filter,
          "%2d/%2d: x,y = %4u,%4u: w.h = %4u,%4u : features(e,n,m) = %d,%d,%d",
          i, faces->total, r->x, r->y, r->width, r->height,
          have_eyes, have_nose, have_mouth);

      s = gst_structure_new ("face",
          "x", G_TYPE_UINT, r->x,
          "y", G_TYPE_UINT, r->y,
          "width", G_TYPE_UINT, r->width,
          "height", G_TYPE_UINT, r->height, NULL);
      if (have_nose) {
        CvRect *sr = (CvRect *) cvGetSeqElem (nose, 0);
        GST_LOG_OBJECT (filter, "nose/%d: x,y = %4u,%4u: w.h = %4u,%4u",
            nose->total, rnx + sr->x, rny + sr->y, sr->width, sr->height);
        gst_structure_set (s,
            "nose->x", G_TYPE_UINT, rnx + sr->x,
            "nose->y", G_TYPE_UINT, rny + sr->y,
            "nose->width", G_TYPE_UINT, sr->width,
            "nose->height", G_TYPE_UINT, sr->height, NULL);
      }
      if (have_mouth) {
        CvRect *sr = (CvRect *) cvGetSeqElem (mouth, 0);
        GST_LOG_OBJECT (filter, "mouth/%d: x,y = %4u,%4u: w.h = %4u,%4u",
            mouth->total, rmx + sr->x, rmy + sr->y, sr->width, sr->height);
        gst_structure_set (s,
            "mouth->x", G_TYPE_UINT, rmx + sr->x,
            "mouth->y", G_TYPE_UINT, rmy + sr->y,
            "mouth->width", G_TYPE_UINT, sr->width,
            "mouth->height", G_TYPE_UINT, sr->height, NULL);
      }
      if (have_eyes) {
        CvRect *sr = (CvRect *) cvGetSeqElem (eyes, 0);
        GST_LOG_OBJECT (filter, "eyes/%d: x,y = %4u,%4u: w.h = %4u,%4u",
            eyes->total, rex + sr->x, rey + sr->y, sr->width, sr->height);
        gst_structure_set (s,
            "eyes->x", G_TYPE_UINT, rex + sr->x,
            "eyes->y", G_TYPE_UINT, rey + sr->y,
            "eyes->width", G_TYPE_UINT, sr->width,
            "eyes->height", G_TYPE_UINT, sr->height, NULL);
      }

      g_value_init (&facedata, GST_TYPE_STRUCTURE);
      g_value_take_boxed (&facedata, s);
      gst_value_list_append_value (&facelist, &facedata);
      g_value_unset (&facedata);
      s = NULL;

      if (do_display) {
        CvPoint center;
        CvSize axes;
        gdouble w, h;
        gint cb = 255 - ((i & 3) << 7);
        gint cg = 255 - ((i & 12) << 5);
        gint cr = 255 - ((i & 48) << 3);

        w = r->width / 2;
        h = r->height / 2;
        center.x = cvRound ((r->x + w));
        center.y = cvRound ((r->y + h));
        axes.width = w;
        axes.height = h * 1.25; /* tweak for face form */
        cvEllipse (img, center, axes, 0.0, 0.0, 360.0, CV_RGB (cr, cg, cb),
            3, 8, 0);

        if (have_nose) {
          CvRect *sr = (CvRect *) cvGetSeqElem (nose, 0);

          w = sr->width / 2;
          h = sr->height / 2;
          center.x = cvRound ((rnx + sr->x + w));
          center.y = cvRound ((rny + sr->y + h));
          axes.width = w;
          axes.height = h * 1.25;       /* tweak for nose form */
          cvEllipse (img, center, axes, 0.0, 0.0, 360.0, CV_RGB (cr, cg, cb),
              1, 8, 0);
        }
        if (have_mouth) {
          CvRect *sr = (CvRect *) cvGetSeqElem (mouth, 0);

          w = sr->width / 2;
          h = sr->height / 2;
          center.x = cvRound ((rmx + sr->x + w));
          center.y = cvRound ((rmy + sr->y + h));
          axes.width = w * 1.5; /* tweak for mouth form */
          axes.height = h;
          cvEllipse (img, center, axes, 0.0, 0.0, 360.0, CV_RGB (cr, cg, cb),
              1, 8, 0);
        }
        if (have_eyes) {
          CvRect *sr = (CvRect *) cvGetSeqElem (eyes, 0);

          w = sr->width / 2;
          h = sr->height / 2;
          center.x = cvRound ((rex + sr->x + w));
          center.y = cvRound ((rey + sr->y + h));
          axes.width = w * 1.5; /* tweak for eyes form */
          axes.height = h;
          cvEllipse (img, center, axes, 0.0, 0.0, 360.0, CV_RGB (cr, cg, cb),
              1, 8, 0);
        }
      }
    }

    gst_structure_set_value ((GstStructure *) gst_message_get_structure (msg),
        "faces", &facelist);
    g_value_unset (&facelist);
    gst_element_post_message (GST_ELEMENT (filter), msg);
  }

  return GST_FLOW_OK;
}
Exemplo n.º 17
0
void Figure::draw(IplImage* image)
{	
	int ca, co, r;
	float cos60=0.5,sin60=0.8660; 
	float cos72=0.3090,sin72=0.9510;

	int xm=getHalfOf('x');
	int ym=getHalfOf('y');
	//r=(lp.x-fp.x)/2;
	r=lp.x-fp.x>=0?(lp.x-fp.x)/2:(fp.x-lp.x)/2;
	
	switch(drawtype)
	{
		case 1:		
		case 2://linea
			{
				cvLine(image,fp,lp,color,thickness,8);			
				break;
			}
		case 3://cuadrilatero
			{
				cvRectangle(image,fp,lp,color,thickness,8);
				break;
			}
		case 4://triangulo
			{				
				cvLine(image,cvPoint(fp.x<lp.x?fp.x:lp.x,fp.y<lp.y?lp.y:fp.y),cvPoint(lp.x>fp.x?lp.x:fp.x,lp.y>fp.y?lp.y:fp.y),color,thickness,8);	//base
				cvLine(image,cvPoint(xm,fp.y<lp.y?fp.y:lp.y),cvPoint(fp.x<lp.x?fp.x:lp.x,fp.y<lp.y?lp.y:fp.y),color,thickness,8); //lado izq
				cvLine(image,cvPoint(xm,fp.y<lp.y?fp.y:lp.y),cvPoint(lp.x>fp.x?lp.x:fp.x,lp.y>fp.y?lp.y:fp.y),color,thickness,8); //lado der
				break;
			}
		case 'c'://circulo
			{
				cvCircle(image,cvPoint(xm,ym),r,color,thickness,8);
				break;
			}
		case 5://elipse
			{
				int firstaxis, secondaxis;
				//firstaxis=(lp.x-fp.x)/2;
				firstaxis=lp.x-fp.x>=0?(lp.x-fp.x)/2:(fp.x-lp.x)/2;
				//secondaxis=(lp.y-fp.y)/2;	
				secondaxis=lp.y-fp.y>=0?(lp.y-fp.y)/2:(fp.y-lp.y)/2;	
				cvEllipse(image,cvPoint(xm,ym),cvSize(firstaxis,secondaxis),0,180,-180,color,thickness);
				break;
			}
		case 6://pentagono
			{
				ca=r*cos72;
				co=r*sin72;
				//CvPoint pp1= cvPoint(xm,fp.y);
				CvPoint pp1= cvPoint(xm,fp.y<lp.y?fp.y:lp.y);
				CvPoint pp2= cvPoint(xm+co,ym-ca);
				CvPoint pp3= cvPoint(xm-co,ym-ca);
				CvPoint pp4= cvPoint((xm+co)-ca,(ym-ca)+co);
				CvPoint pp5= cvPoint((xm-co)+ca,(ym-ca)+co);
				cvLine(image,pp1,pp2,color,thickness,8);//linea sup-der
				cvLine(image,pp2,pp4,color,thickness,8);//linea inf-der
				cvLine(image,pp4,pp5,color,thickness,8);//linea inf
				cvLine(image,pp5,pp3,color,thickness,8);//linea inf-izq
				cvLine(image,pp3,pp1,color,thickness,8);//linea sup-izqr			
				break;			
			}			
		case 7://Hexagono
			{								
				ca=r*cos60;
				co=r*sin60;
				//CvPoint ph1= cvPoint(lp.x,ym);
				CvPoint ph1= cvPoint(lp.x>fp.x?lp.x:fp.x,ym);
				CvPoint ph2= cvPoint(xm+ca,ym-co);
				CvPoint ph3= cvPoint(xm+ca,ym+co);
				//CvPoint ph4= cvPoint(fp.x,ym);
				CvPoint ph4= cvPoint(fp.x<lp.x?fp.x:lp.x,ym);
				CvPoint ph5= cvPoint(xm-ca,ym-co);
				CvPoint ph6= cvPoint(xm-ca,ym+co);
				cvLine(image,ph1,ph2,color,thickness,8);//linea sup-der
				cvLine(image,ph2,ph5,color,thickness,8);//linea sup
				cvLine(image,ph5,ph4,color,thickness,8);//linea sup-izq
				cvLine(image,ph4,ph6,color,thickness,8);//linea inf-izq
				cvLine(image,ph6,ph3,color,thickness,8);//linea inf
				cvLine(image,ph3,ph1,color,thickness,8);//linea inf-der
				break;			
			}
		default: std::cout<<"\n!!Aviso no hay figura seleccionada¡¡\n";drawtype = '?';break;
	}
}
Exemplo n.º 18
0
static int drawing_test()
{
    static int read_params = 0;
    static int read = 0;
    const int channel = 3;
    CvSize size = cvSize(600, 300);

    int i, j;
    int Errors = 0;

    if( !read_params )
    {
        read_params = 1;

        trsCaseRead( &read, "/n/y", "y", "Read from file ?" );
    }
    // Create image
    IplImage* image = cvCreateImage( size, IPL_DEPTH_8U, channel );

    // cvLine
    cvZero( image );

    for( i = 0; i < 100; i++ )
    {
        CvPoint p1 = cvPoint( i - 30, i * 4 + 10 );
        CvPoint p2 = cvPoint( size.width + 30 - i, size.height - 10 - i * 4 );

        cvLine( image, p1, p2, CV_RGB(178+i, 255-i, i), i % 10 );
    }
    Errors += ProcessImage( image, "cvLine", read );

    // cvLineAA
    cvZero( image );

    for( i = 0; i < 100; i++ )
    {
        CvPoint p1 = cvPoint( i - 30, i * 4 + 10 );
        CvPoint p2 = cvPoint( size.width + 30 - i, size.height - 10 - i * 4 );

        cvLine( image, p1, p2, CV_RGB(178+i, 255-i, i), 1, CV_AA, 0 );
    }
    //Errors += ProcessImage( image, "cvLineAA", read );

    // cvRectangle
    cvZero( image );

    for( i = 0; i < 100; i++ )
    {
        CvPoint p1 = cvPoint( i - 30, i * 4 + 10 );
        CvPoint p2 = cvPoint( size.width + 30 - i, size.height - 10 - i * 4 );

        cvRectangle( image, p1, p2, CV_RGB(178+i, 255-i, i), i % 10 );
    }
    Errors += ProcessImage( image, "cvRectangle", read );

#if 0
        named_window( "Diff", 0 );
#endif

    // cvCircle
    cvZero( image );

    for( i = 0; i < 100; i++ )
    {
        CvPoint p1 = cvPoint( i * 3, i * 2 );
        CvPoint p2 = cvPoint( size.width - i * 3, size.height - i * 2 );

        cvCircle( image, p1, i, CV_RGB(178+i, 255-i, i), i % 10 );
        cvCircle( image, p2, i, CV_RGB(178+i, 255-i, i), i % 10 );

#if 0
        show_iplimage( "Diff", image );
        wait_key(0);
#endif
    }
    Errors += ProcessImage( image, "cvCircle", read );

    // cvCircleAA
    cvZero( image );

    for( i = 0; i < 100; i++ )
    {
        CvPoint p1 = cvPoint( i * 3, i * 2 );
        CvPoint p2 = cvPoint( size.width - i * 3, size.height - i * 2 );

        cvCircleAA( image, p1, i, RGB(i, 255 - i, 178 + i), 0 );
        cvCircleAA( image, p2, i, RGB(i, 255 - i, 178 + i), 0 );
    }
    Errors += ProcessImage( image, "cvCircleAA", read );

    // cvEllipse
    cvZero( image );

    for( i = 10; i < 100; i += 10 )
    {
        CvPoint p1 = cvPoint( i * 6, i * 3 );
        CvSize axes = cvSize( i * 3, i * 2 );

        cvEllipse( image, p1, axes,
                   180 * i / 100, 90 * i / 100, 90 * (i - 100) / 100,
                   CV_RGB(178+i, 255-i, i), i % 10 );
    }
    Errors += ProcessImage( image, "cvEllipse", read );

    // cvEllipseAA
    cvZero( image );

    for( i = 10; i < 100; i += 10 )
    {
        CvPoint p1 = cvPoint( i * 6, i * 3 );
        CvSize axes = cvSize( i * 3, i * 2 );

        cvEllipseAA( image, p1, axes,
                   180 * i / 100, 90 * i / 100, 90 * (i - 100) / 100,
                   RGB(i, 255 - i, 178 + i), i % 10 );
    }
    Errors += ProcessImage( image, "cvEllipseAA", read );

    // cvFillConvexPoly
    cvZero( image );

    for( j = 0; j < 5; j++ )
        for( i = 0; i < 100; i += 10 )
        {
            CvPoint p[4] = {{ j * 100 - 10, i }, { j * 100 + 10, i },
                            { j * 100 + 30, i * 2 }, { j * 100 + 170, i * 3 }};
            cvFillConvexPoly( image, p, 4, CV_RGB(178+i, 255-i, i) );

        }
    Errors += ProcessImage( image, "cvFillConvexPoly", read );

    // cvFillPoly
    cvZero( image );

    for( i = 0; i < 100; i += 10 )
    {
        CvPoint p0[] = {{-10, i}, { 10, i}, { 30, i * 2}, {170, i * 3}};
        CvPoint p1[] = {{ 90, i}, {110, i}, {130, i * 2}, {270, i * 3}};
        CvPoint p2[] = {{190, i}, {210, i}, {230, i * 2}, {370, i * 3}};
        CvPoint p3[] = {{290, i}, {310, i}, {330, i * 2}, {470, i * 3}};
        CvPoint p4[] = {{390, i}, {410, i}, {430, i * 2}, {570, i * 3}};

        CvPoint* p[] = {p0, p1, p2, p3, p4};

        int n[] = {4, 4, 4, 4, 4};
        cvFillPoly( image, p, n, 5, CV_RGB(178+i, 255-i, i) );
    }
    Errors += ProcessImage( image, "cvFillPoly", read );

    // cvPolyLine
    cvZero( image );

    for( i = 0; i < 100; i += 10 )
    {
        CvPoint p0[] = {{-10, i}, { 10, i}, { 30, i * 2}, {170, i * 3}};
        CvPoint p1[] = {{ 90, i}, {110, i}, {130, i * 2}, {270, i * 3}};
        CvPoint p2[] = {{190, i}, {210, i}, {230, i * 2}, {370, i * 3}};
        CvPoint p3[] = {{290, i}, {310, i}, {330, i * 2}, {470, i * 3}};
        CvPoint p4[] = {{390, i}, {410, i}, {430, i * 2}, {570, i * 3}};

        CvPoint* p[] = {p0, p1, p2, p3, p4};

        int n[] = {4, 4, 4, 4, 4};
        cvPolyLine( image, p, n, 5, 1, CV_RGB(178+i, 255-i, i), i % 10 );
    }
    Errors += ProcessImage( image, "cvPolyLine", read );

    // cvPolyLineAA
    cvZero( image );

    for( i = 0; i < 100; i += 10 )
    {
        CvPoint p0[] = {{-10, i}, { 10, i}, { 30, i * 2}, {170, i * 3}};
        CvPoint p1[] = {{ 90, i}, {110, i}, {130, i * 2}, {270, i * 3}};
        CvPoint p2[] = {{190, i}, {210, i}, {230, i * 2}, {370, i * 3}};
        CvPoint p3[] = {{290, i}, {310, i}, {330, i * 2}, {470, i * 3}};
        CvPoint p4[] = {{390, i}, {410, i}, {430, i * 2}, {570, i * 3}};

        CvPoint* p[] = {p0, p1, p2, p3, p4};

        int n[] = {4, 4, 4, 4, 4};
        cvPolyLineAA( image, p, n, 5, 1, RGB(i, 255 - i, 178 + i), 0 );
    }
    Errors += ProcessImage( image, "cvPolyLineAA", read );

    // cvPolyLineAA
    cvZero( image );

    for( i = 1; i < 10; i++ )
    {
        CvFont font;
        cvInitFont( &font, CV_FONT_VECTOR0,
                    (double)i / 5, (double)i / 5, (double)i / 10, i );
        cvPutText( image, "privet. this is test. :)", cvPoint(0, i * 20), &font, CV_RGB(178+i, 255-i, i) );
    }
    Errors += ProcessImage( image, "cvPutText", read );

    cvReleaseImage( &image );

    return Errors ? trsResult( TRS_FAIL, "errors" ) : trsResult( TRS_OK, "ok" );
}
Exemplo n.º 19
0
void process_image()
{
  int i, j;
  int *inliers_index;
  CvSize ellipse_axis;
  CvPoint gaze_point;
  static int lost_frame_num = 0;
  Grab_Camera_Frames();
  cvZero(ellipse_image);

  cvSmooth(eye_image, eye_image, CV_GAUSSIAN, 5, 5);
  Reduce_Line_Noise(eye_image);  
  
  if (save_image == 1) {
    printf("save image %d\n", image_no);
    sprintf(eye_file, "./Eye/Eye_%05d.jpg", image_no);
    image_no++;
    cvSaveImage(eye_file, eye_image);
  }
  
  //corneal reflection
  remove_corneal_reflection(eye_image, threshold_image, (int)start_point.x, (int)start_point.y, cr_window_size, 
                   (int)eye_image->height/10, corneal_reflection.x, corneal_reflection.y, corneal_reflection_r);  
  printf("corneal reflection: (%d, %d)\n", corneal_reflection.x, corneal_reflection.y);
  Draw_Cross(ellipse_image, corneal_reflection.x, corneal_reflection.y, 15, 15, Yellow);  

  //starburst pupil contour detection
  starburst_pupil_contour_detection((UINT8*)eye_image->imageData, eye_image->width, eye_image->height,
                                edge_threshold, rays, min_feature_candidates);
  
  inliers_num = 0;
  inliers_index = pupil_fitting_inliers((UINT8*)eye_image->imageData, eye_image->width, eye_image->height, inliers_num);
  ellipse_axis.width = (int)pupil_param[0];
  ellipse_axis.height = (int)pupil_param[1];
  pupil.x = (int)pupil_param[2];
  pupil.y = (int)pupil_param[3];
  Draw_Cross(ellipse_image, pupil.x, pupil.y, 15, 15, Red);
  cvLine(eye_image, pupil, corneal_reflection, Red, 4, 8);
  cvLine(ellipse_image, pupil, corneal_reflection, Red, 4, 8);
  
  printf("ellipse a:%lf; b:%lf, cx:%lf, cy:%lf, theta:%lf; inliers_num:%d\n\n", 
         pupil_param[0], pupil_param[1], pupil_param[2], pupil_param[3], pupil_param[4], inliers_num);

  bool is_inliers = 0;
  for (int i = 0; i < edge_point.size(); i++) {
    is_inliers = 0;
    for (int j = 0; j < inliers_num; j++) {
      if (i == inliers_index[j])
        is_inliers = 1;
    }
    stuDPoint *edge = edge_point.at(i);
    if (is_inliers)
      Draw_Cross(ellipse_image, (int)edge->x,(int)edge->y, 5, 5, Green);
    else
      Draw_Cross(ellipse_image, (int)edge->x,(int)edge->y, 3, 3, Yellow);
  }
  free(inliers_index);

  if (ellipse_axis.width > 0 && ellipse_axis.height > 0) {
    start_point.x = pupil.x;
    start_point.y = pupil.y;
    //printf("start_point: %d,%d\n", start_point.x, start_point.y);
    Draw_Cross(eye_image, pupil.x, pupil.y, 10, 10, Green);
    cvEllipse(eye_image, pupil, ellipse_axis, -pupil_param[4]*180/PI, 0, 360, Red, 2);
    cvEllipse(ellipse_image, pupil, ellipse_axis, -pupil_param[4]*180/PI, 0, 360, Green, 2);

    diff_vector.x = pupil.x - corneal_reflection.x;
    diff_vector.y = pupil.y - corneal_reflection.y;
    if (do_map2scene) {
      gaze_point = homography_map_point(diff_vector);
      printf("gaze_point: (%d,%d)\n", gaze_point.x, gaze_point.y);  
      Draw_Cross(scene_image, gaze_point.x, gaze_point.y, 60, 60, Red);
    }
    lost_frame_num = 0;    
  } else {
    lost_frame_num++;
  }
  if (lost_frame_num > 5) {
    start_point.x = FRAMEW/2;
    start_point.y = FRAMEH/2;
  }
  Draw_Cross(ellipse_image, (int)start_point.x, (int)start_point.y, 7, 7, Blue);
  Draw_Cross(eye_image, (int)start_point.x, (int)start_point.y, 7, 7, Blue);

  if (save_ellipse == 1) {
    printf("save ellipse %d\n", ellipse_no);
    sprintf(ellipse_file, "./Ellipse/Ellipse_%05d.jpg", ellipse_no);
    ellipse_no++;
    cvSaveImage(ellipse_file, ellipse_image);
    fprintf(ellipse_log, "%.3f\t %8.2lf %8.2lf %8.2lf %8.2lf %8.2lf\n",
            Time_Elapsed(), pupil_param[0], pupil_param[1], pupil_param[2], pupil_param[3], pupil_param[4]);
  }
  
  printf("Time elapsed: %.3f\n", Time_Elapsed()); 
  fprintf(logfile,"%.3f\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n",
					Time_Elapsed(),
					pupil.x,    
					pupil.y,    
					corneal_reflection.x,    
					corneal_reflection.y,
					diff_vector.x,    
					diff_vector.y,    
					gaze_point.x,    
					gaze_point.y);    

  if (view_cal_points) Show_Calibration_Points();
}
bool IrisFinderHough::Find(IplImage* image, CvRect eyeROI)
{
	if (!ParametersValid())
		return false;
	if (m_sizeData.SizeChanged(eyeROI))
		PrepareImage(eyeROI);
	// some helper imgs
	IplImage* imgSobelH = cvCreateImage(cvSize(eyeROI.width, eyeROI.height), IPL_DEPTH_16S, 1);
	IplImage* imgSobelV = cvCreateImage(cvSize(eyeROI.width, eyeROI.height), IPL_DEPTH_16S, 1);

	// copy roi to internal image
	ImgLib::CopyRect(image, m_eyeImg, eyeROI, cvPoint(0, 0));
	cvSobel(m_eyeImg, imgSobelH, 1, 0, 3);
	cvSobel(m_eyeImg, imgSobelV, 0, 1, 3);
	
	double angle;
	double dx, dy;
	double thetaRad;
	double xPrim, yPrim;
	double xsi;
	double max_e = 2.2;

	HoughAccumulator acc(m_accPrecision);

	acc.AddParam(0, m_eyeImg->width);	// x0
	acc.AddParam(0, m_eyeImg->height);	// x1
	acc.AddParam(m_thetaMin, m_thetaMax);		// theta
	acc.AddParam(m_aMin, m_aMax);				// a
	acc.AddParam(m_bMin, m_bMax);				// b
	acc.Init();

	DOUBLEVECT indices;
	indices.resize(5);


	cvSmooth(m_eyeImg, m_eyeImg);
	cvCanny(m_eyeImg, m_eyeImg, 250, 100);


	for(int y = 0; y < m_eyeImg->height; y++)
    {
        short* sh_row = (short*)(imgSobelH->imageData + y * imgSobelH->widthStep);
		short* sv_row = (short*)(imgSobelV->imageData + y * imgSobelV->widthStep);
		uchar* canny_row = (uchar *)(m_eyeImg->imageData + y * m_eyeImg->widthStep);
		double x0, y0;
		double a, b, theta=0;

        for (int x = 0; x < m_eyeImg->width; x++)
        {
			if (canny_row[x] == 0)
				continue;
			short dX = sh_row[x];
			short dY = sv_row[x];
			if ( (abs(dX) + abs(dY)) < m_minGradStrength)
			{
				cvLine(m_eyeImg, cvPoint(x,y),cvPoint(x,y),CV_RGB(0,0,0));
				continue;
			}
			
			for (a = m_aMin; a < m_aMax; a+= (1 / m_accPrecision))
				for (b = m_bMin; b < m_bMax; b+= (1 / m_accPrecision))
				{
					double e = a / b;
					if (e < 1)
						e = b / a;
					if (e > max_e)
						continue;
					for (theta = m_thetaMin; theta < m_thetaMax; theta += (1 / m_accPrecision))
					{
						angle = atan2((float)dY, (float)dX);
						thetaRad = 2 * CV_PI * theta / 360.0;
						angle -= (thetaRad + CV_PI / 2.0);
						xsi = tan(angle);
						//xsi = (float) dY / (float) dX;
						dx = -SignX(dX, dY) * a / sqrt(1 + (b * b) / (a * a * xsi * xsi));
						dy = -SignY(dX, dY) * b / sqrt(1 + (a * a * xsi * xsi) / (b * b));
						// rotate by theta
						xPrim = cos(thetaRad) * dx - sin(thetaRad) * dy;
						yPrim = sin(thetaRad) * dx + cos(thetaRad) * dy;
						dx = xPrim; dy = yPrim;
						x0 = x + dx;
						y0 = y + dy;
						indices[0] = x0;
						indices[1] = y0;
						indices[2] = theta;
						indices[3] = a;
						indices[4] = b;
						acc.Increment(indices);
					}
				}
        }
    }

	indices = acc.FindBest();


	if (indices.size() > 0)
	{
		cvEllipse(image,
			cvPoint(indices[0] + eyeROI.x, indices[1] + eyeROI.y),
			cvSize(indices[3], indices[4]),
			-indices[2],
	//		90,
			0,
			360,
			CV_RGB(255, 0, 0));
		m_irisCentre.x = indices[0] + eyeROI.x;
		m_irisCentre.y = indices[1] + eyeROI.y;
		return true;
	}
	return false;
}
Exemplo n.º 21
0
int fmaFitEllipse(void)
{
    long lErrors = 0; 
    CvPoint points[1000];
    CvPoint2D32f fpoints[1000];
    CvBox2D box;
    
    CvMemStorage* storage = cvCreateMemStorage(0);
    CvContour* contour;
    CvSize axis;
    IplImage* img = cvCreateImage( cvSize(200,200), IPL_DEPTH_8U, 1 );
    
    for( int k = 0 ; k < 1000; k++ )
    {
    
        iplSet( img, 0 );

        CvPoint center = { 100, 100 };
    
        double angle = atsInitRandom( 0, 360 );
        axis.height = (int)atsInitRandom( 5, 50 );
        axis.width  = (int)atsInitRandom( 5, 50 );   

        cvEllipse( img, center, axis, angle, 0, 360, 255, -1 );
    
        cvFindContours( img, storage, (CvSeq**)&contour, sizeof(CvContour) );

        cvCvtSeqToArray( (CvSeq*)contour, points );
        for( int i = 0; i < contour->total; i++ )
        {
            fpoints[i].x = (float)points[i].x;
            fpoints[i].y = (float)points[i].y;
        }
    
        cvFitEllipse( fpoints, contour->total, &box );

        //compare boxes
        if( fabs( box.center.x - center.x) > 1 || fabs( box.center.y - center.y ) > 1 )
        {
            lErrors++;
        }             

        if( ( fabs( box.size.width  - (axis.width * 2 ) ) > 4 || 
              fabs( box.size.height - (axis.height * 2) ) > 4 ) &&
            ( fabs( box.size.height - (axis.width * 2 ) ) > 4 || 
              fabs( box.size.width - (axis.height * 2) ) > 4 ) )           
        {
            lErrors++;

            //graphic
            /*IplImage* rgb = cvCreateImage( cvSize(200,200), IPL_DEPTH_8U, 3 );
            iplSet( rgb, 0 );
                        
            cvEllipse( rgb, center, axis, angle, 0, 360, CV_RGB(255,0,0) , 1 );
            
            int window = atsCreateWindow( "proba", cvPoint(0,0), cvSize(200,200) );
            cvEllipse( rgb, center, cvSize( box.size.width/2, box.size.height/2) , -box.angle, 
                        0, 360, CV_RGB(0,255,0) , 1 );

            //draw center 
            cvEllipse( rgb, center, cvSize( 0, 0) , 0, 
                        0, 360, CV_RGB(255,255,255) , -1 );
            
            atsDisplayImage( rgb, window, cvPoint(0,0), cvSize(200,200) );
            
            getch();

            atsDestroyWindow( window );
            
            //one more
            cvFitEllipse( fpoints, contour->total, &box );
          */
        }
    }
    cvReleaseMemStorage( &storage );
    
    if( !lErrors) return trsResult(TRS_OK, "No errors");
    else
        return trsResult(TRS_FAIL, "Fixed %d errors", lErrors);
    
}
    virtual void    Process(IplImage* pImg, IplImage* pImgFG = NULL)
    {
        CvSeq*      cnts;
        CvSeq*      cnt;
        int i;
        //CvMat*      pMC = NULL;

        if(m_BlobList.GetBlobNum() <= 0 ) return;
        
        /* Clear blob list for new blobs: */
        m_BlobListNew.Clear();

        assert(m_pMem);
        cvClearMemStorage(m_pMem);
        assert(pImgFG);

        {   /* One contour - one blob: */
            IplImage* pBin = cvCloneImage(pImgFG);
            assert(pBin);
            cvThreshold(pBin,pBin,128,255,CV_THRESH_BINARY);
            cvFindContours(pBin, m_pMem, &cnts, sizeof(CvContour), CV_RETR_EXTERNAL);

            /* Process each contour: */
            for(cnt = cnts; cnt; cnt=cnt->h_next)
            {
                CvBlob  NewBlob;

                /* Image moments: */
                double      M00,X,Y,XX,YY;
                CvMoments   m;
                CvRect      r = ((CvContour*)cnt)->rect;
                CvMat       mat;
                if(r.height < 3 || r.width < 3) continue;
                cvMoments( cvGetSubRect(pImgFG,&mat,r), &m, 0 );
                M00 = cvGetSpatialMoment( &m, 0, 0 );
                if(M00 <= 0 ) continue;
                X = cvGetSpatialMoment( &m, 1, 0 )/M00;
                Y = cvGetSpatialMoment( &m, 0, 1 )/M00;
                XX = (cvGetSpatialMoment( &m, 2, 0 )/M00) - X*X;
                YY = (cvGetSpatialMoment( &m, 0, 2 )/M00) - Y*Y;
                NewBlob = cvBlob(r.x+(float)X,r.y+(float)Y,(float)(4*sqrt(XX)),(float)(4*sqrt(YY)));
                m_BlobListNew.AddBlob(&NewBlob);

            }   /* Next contour. */

            cvReleaseImage(&pBin);
        }

        for(i=m_BlobList.GetBlobNum(); i>0; --i)
        {   /* Predict new blob position. */
            CvBlob*             pB = NULL;
            DefBlobTrackerCR*   pBT = (DefBlobTrackerCR*)m_BlobList.GetBlob(i-1);

            /* Update predictor. */
            pBT->pPredictor->Update(&(pBT->blob));
            pB = pBT->pPredictor->Predict();
            if(pB)
            {
                pBT->BlobPredict = pB[0];
            }
            pBT->BlobPrev = pBT->blob;
        }   /* Predict new blob position. */


        if(m_BlobList.GetBlobNum()>0 && m_BlobListNew.GetBlobNum()>0)
        {   /* Resolve new blob to old: */
            int i,j;
            int NOld = m_BlobList.GetBlobNum();
            int NNew = m_BlobListNew.GetBlobNum();
            
            for(i=0; i<NOld; i++)
            {   /* Set 0 collision and clear all hyp: */
                DefBlobTrackerCR* pF = (DefBlobTrackerCR*)m_BlobList.GetBlob(i);
                pF->Collision = 0;
                pF->pBlobHyp->Clear();
            }   /* Set 0 collision. */

            /* Create correspondence records: */
            for(j=0; j<NNew; ++j)
            {
                CvBlob*             pB1 = m_BlobListNew.GetBlob(j);
                DefBlobTrackerCR*   pFLast = NULL;
                
                for(i=0; i<NOld; i++)
                {   /* Check intersection: */
                    int Intersection = 0;
                    DefBlobTrackerCR* pF = (DefBlobTrackerCR*)m_BlobList.GetBlob(i);
                    CvBlob* pB2 = &(pF->BlobPredict);

                    if( fabs(pB1->x-pB2->x)<0.5*(pB1->w+pB2->w) &&
                        fabs(pB1->y-pB2->y)<0.5*(pB1->h+pB2->h) ) Intersection = 1;

                    if(Intersection)
                    {
                        if(pFLast)
                        {
                            pF->Collision = pFLast->Collision = 1;
                        }
                        pFLast = pF;
                        pF->pBlobHyp->AddBlob(pB1);
                    }
                }   /* Check intersection. */
            }   /*  Check next new blob. */
        }   /*  Resolve new blob to old. */

        for(i=m_BlobList.GetBlobNum(); i>0; --i)
        {   /* Track each blob. */
            CvBlob*             pB = m_BlobList.GetBlob(i-1);
            DefBlobTrackerCR*   pBT = (DefBlobTrackerCR*)pB;
            int                 BlobID = CV_BLOB_ID(pB);
          //CvBlob*             pBBest = NULL;
          //double              DistBest = -1;
            int j;

            if(pBT->pResolver)
            {
                pBT->pResolver->SetCollision(pBT->Collision);
            }
            
            if(pBT->Collision)
            {   /* Tracking in collision: */
                if(pBT->pResolver)
                {
                    pB[0] = pBT->pResolver->Process(&(pBT->BlobPredict),pImg, pImgFG)[0];
                }
            }   /* Tracking in collision. */
            else
            {   /* Non-collision tracking: */
                CvBlob  NewCC = pBT->BlobPredict;
                if(pBT->pBlobHyp->GetBlobNum()==1)
                {   /* One blob to one CC: */
                    NewCC = pBT->pBlobHyp->GetBlob(0)[0];
                }
                else
                {   /* One blob several CC: */
                    CvBlob* pBBest = NULL;
                    double  DistBest = -1;
                    double  CMax = 0;
                    for(j=pBT->pBlobHyp->GetBlobNum();j>0;--j)
                    {   /* Find best CC: */
                        CvBlob* pBNew = pBT->pBlobHyp->GetBlob(j-1);
                        if(pBT->pResolver)
                        {     /* Choose CC by confidence: */
//                            double  dx = fabs(CV_BLOB_X(pB)-CV_BLOB_X(pBNew));
//                            double  dy = fabs(CV_BLOB_Y(pB)-CV_BLOB_Y(pBNew));
                            double  C = pBT->pResolver->GetConfidence(pBNew,pImg, pImgFG);
                            if(C > CMax || pBBest == NULL)
                            {
                                CMax = C;
                                pBBest = pBNew;
                            }
                        }
                        else
                        {    /* Choose CC by distance: */
                            double  dx = fabs(CV_BLOB_X(pB)-CV_BLOB_X(pBNew));
                            double  dy = fabs(CV_BLOB_Y(pB)-CV_BLOB_Y(pBNew));
                            double  Dist = sqrt(dx*dx+dy*dy);
                            if(Dist < DistBest || pBBest == NULL)
                            {
                                DistBest = Dist;
                                pBBest = pBNew;
                            }
                        }
                    }   /* Find best CC. */
                    if(pBBest)
                        NewCC = pBBest[0];
                }   /* One blob several CC. */
                pB->x = NewCC.x;
                pB->y = NewCC.y;
                pB->w = (m_AlphaSize)*NewCC.w+(1-m_AlphaSize)*pB->w;
                pB->h = (m_AlphaSize)*NewCC.h+(1-m_AlphaSize)*pB->h;
                pBT->pResolver->SkipProcess(&(pBT->BlobPredict),pImg, pImgFG);
            }   /* Non-collision tracking. */
            
            pBT->pResolver->Update(pB, pImg, pImgFG);

            CV_BLOB_ID(pB)=BlobID;

        }   /* Track next blob. */

        if(m_Wnd)
        {
            IplImage* pI = cvCloneImage(pImg);
            int i;
            for(i=m_BlobListNew.GetBlobNum(); i>0; --i)
            {   /* Draw each new CC: */
                CvBlob* pB = m_BlobListNew.GetBlob(i-1);
                CvPoint p = cvPointFrom32f(CV_BLOB_CENTER(pB));
                int x = cvRound(CV_BLOB_RX(pB)), y = cvRound(CV_BLOB_RY(pB));
                CvSize  s = cvSize(MAX(1,x), MAX(1,y));
                //int c = 255;
                cvEllipse( pI,
                    p,
                    s,
                    0, 0, 360,
                    CV_RGB(255,255,0), 1 );
            }

            for(i=m_BlobList.GetBlobNum(); i>0; --i)
            {   /* Draw each new CC: */
                DefBlobTrackerCR* pF = (DefBlobTrackerCR*)m_BlobList.GetBlob(i-1);
                CvBlob* pB = &(pF->BlobPredict);
                CvPoint p = cvPointFrom32f(CV_BLOB_CENTER(pB));
                int x = cvRound(CV_BLOB_RX(pB)), y = cvRound(CV_BLOB_RY(pB));
                CvSize  s = cvSize(MAX(1,x), MAX(1,y));
                cvEllipse( pI,
                    p,
                    s,
                    0, 0, 360,
                    CV_RGB(0,0,255), 1 );
                
                pB = &(pF->blob);
                p = cvPointFrom32f(CV_BLOB_CENTER(pB));
                x = cvRound(CV_BLOB_RX(pB)); y = cvRound(CV_BLOB_RY(pB));
                s = cvSize(MAX(1,x), MAX(1,y));
                cvEllipse( pI,
                    p,
                    s,
                    0, 0, 360,
                    CV_RGB(0,255,0), 1 );
            }

            //cvNamedWindow("CCwithCR",0);
            //cvShowImage("CCwithCR",pI);
            cvReleaseImage(&pI);
        }
        
    } /* Process. */
Exemplo n.º 23
0
int main(int argc, char* argv[])
{
    int i, j;
    CvMemStorage* storage = cvCreateMemStorage(0);
    IplImage* img = cvCreateImage( cvSize(w,w), 8, 1 );
    IplImage* img32f = cvCreateImage( cvSize(w,w), IPL_DEPTH_32F, 1 );
    IplImage* img32s = cvCreateImage( cvSize(w,w), IPL_DEPTH_32S, 1 );
    IplImage* img3 = cvCreateImage( cvSize(w,w), 8, 3 );
    (void)argc; (void)argv;

    help();
    cvZero( img );

    for( i=0; i < 6; i++ )
    {
        int dx = (i%2)*250 - 30;
        int dy = (i/2)*150;
        CvScalar white = cvRealScalar(255);
        CvScalar black = cvRealScalar(0);

        if( i == 0 )
        {
            for( j = 0; j <= 10; j++ )
            {
                double angle = (j+5)*CV_PI/21;
                cvLine(img, cvPoint(cvRound(dx+100+j*10-80*cos(angle)),
                    cvRound(dy+100-90*sin(angle))),
                    cvPoint(cvRound(dx+100+j*10-30*cos(angle)),
                    cvRound(dy+100-30*sin(angle))), white, 3, 8, 0);
            }
        }

        cvEllipse( img, cvPoint(dx+150, dy+100), cvSize(100,70), 0, 0, 360, white, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+115, dy+70), cvSize(30,20), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+185, dy+70), cvSize(30,20), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+115, dy+70), cvSize(15,15), 0, 0, 360, white, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+185, dy+70), cvSize(15,15), 0, 0, 360, white, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+115, dy+70), cvSize(5,5), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+185, dy+70), cvSize(5,5), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+150, dy+100), cvSize(10,5), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+150, dy+150), cvSize(40,10), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+27, dy+100), cvSize(20,35), 0, 0, 360, white, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+273, dy+100), cvSize(20,35), 0, 0, 360, white, -1, 8, 0 );
    }

    cvNamedWindow( "image", 1 );
    cvShowImage( "image", img );
    cvConvert( img, img32f );
    findCComp( img32f );
    cvConvert( img32f, img32s );

    cvFindContours( img32s, storage, &contours, sizeof(CvContour),
                    CV_RETR_CCOMP, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) );

    //cvFindContours( img, storage, &contours, sizeof(CvContour),
    //                CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) );


    {
    const char* attrs[] = {"recursive", "1", 0};
    cvSave("contours.xml", contours, 0, 0, cvAttrList(attrs, 0));
    contours = (CvSeq*)cvLoad("contours.xml", storage, 0, 0);
    }

    // comment this out if you do not want approximation
    contours = cvApproxPoly( contours, sizeof(CvContour), storage, CV_POLY_APPROX_DP, 3, 1 );

    cvNamedWindow( "contours", 1 );
    cvCreateTrackbar( "levels+3", "contours", &levels, 7, on_trackbar );

    {
        CvRNG rng = cvRNG(-1);

        CvSeq* tcontours = contours;
        cvCvtColor( img, img3, CV_GRAY2BGR );
        while( tcontours->h_next )
            tcontours = tcontours->h_next;

        for( ; tcontours != 0; tcontours = tcontours->h_prev )
        {
            CvScalar color;
            color.val[0] = cvRandInt(&rng) % 256;
            color.val[1] = cvRandInt(&rng) % 256;
            color.val[2] = cvRandInt(&rng) % 256;
            color.val[3] = cvRandInt(&rng) % 256;
            cvDrawContours(img3, tcontours, color, color, 0, -1, 8, cvPoint(0,0));
            if( tcontours->v_next )
            {
                color.val[0] = cvRandInt(&rng) % 256;
                color.val[1] = cvRandInt(&rng) % 256;
                color.val[2] = cvRandInt(&rng) % 256;
                color.val[3] = cvRandInt(&rng) % 256;
                cvDrawContours(img3, tcontours->v_next, color, color, 1, -1, 8, cvPoint(0,0));
            }
        }

    }

    cvShowImage( "colored", img3 );
    on_trackbar(0);
    cvWaitKey(0);
    cvReleaseMemStorage( &storage );
    cvReleaseImage( &img );
    cvReleaseImage( &img32f );
    cvReleaseImage( &img32s );
    cvReleaseImage( &img3 );

    return 0;
}
Exemplo n.º 24
0
int main( void )
{
	IplImage* img=cvLoadImage("obraz1.png");
	if(!img)	return 0;

	IplImage* hsv=cvCreateImage( cvGetSize(img), 8, 3 ); //obrazek dla przestrzeni HSV
	IplImage* binary=cvCreateImage( cvGetSize(img), 8, 1 );//tu bedzie maska na podstawie koloru
	cvCvtColor(img,hsv,CV_BGR2HSV); //konwersja na HSV - z tego bedzie robiona maska kolorow

	//szybki sposob dostepu do pikseli obrazu
	uchar* hsv_ptr = (uchar *)hsv->imageData;
	uchar* binary_ptr = (uchar *)binary->imageData;
	int hsv_step = hsv->widthStep;
	int binary_step = binary->widthStep;

	for (int i = 0; i < hsv->height; i++)
		for (int j = 0; j < hsv->width; j++) {
			//odczyt poszczegolnych skladowych
			int h=hsv_ptr[i*hsv_step+j*3+0];
			int s=hsv_ptr[i*hsv_step+j*3+1];
			int v=hsv_ptr[i*hsv_step+j*3+2];

			//utworzenie maski binarnej dla koloru czerwonego

			if(v>=40 && (h>160 || h<20) && s>150) //jasnosc >40, kolor czerwony, nasycenie >150
				binary_ptr[i*binary_step+j] = 255;
			else
				binary_ptr[i*binary_step+j] = 0;
		}


		cvReleaseImage(&hsv); //obraz hsv juz nie jest nam porzebny!

		cvNamedWindow( "Binarny", 1);
		cvShowImage("Binarny",binary);

		blobs.BlobAnalysis(binary, 0, 0, binary->width, binary->height, 0, 10);

		blobs.BlobExclude(BLOBCIRCULARITY,1.1,5);
		blobs.BlobExclude(BLOBCIRCULARITY,.1,.9);

		printf("Znaleziono %d blobow",blobs.BlobCount);
		blobs.PrintRegionDataArray(1);


		//zaznaczenie wykrytych blobow
		for(int i=1;i<=blobs.BlobCount;i++)
		{
			cvRectangle(img,cvPoint(blobs.RegionData[i][BLOBMINX],blobs.RegionData[i][BLOBMINY]),cvPoint(blobs.RegionData[i][BLOBMAXX],blobs.RegionData[i][BLOBMAXY]),CV_RGB(255,0,0));
			cvEllipse(img,cvPoint(blobs.RegionData[i][BLOBSUMX],blobs.RegionData[i][BLOBSUMY]),cvSize(5,5),360, 0, 360, CV_RGB(255,255,255));
		}

		cvNamedWindow( "Podglad", 1 );
		cvShowImage("Podglad",img);

		cvWaitKey(0);
		cvDestroyAllWindows();
		cvReleaseImage(&binary);
		cvReleaseImage(&img);

		return 0;
}
void cvFindBlobsByCCClasters(IplImage* pFG, CvBlobSeq* pBlobs, CvMemStorage* storage)
{   /* Create contours: */
    IplImage*       pIB = NULL;
    CvSeq*          cnt = NULL;
    CvSeq*          cnt_list = cvCreateSeq(0,sizeof(CvSeq),sizeof(CvSeq*), storage );
    CvSeq*          clasters = NULL;
    int             claster_cur, claster_num;

    pIB = cvCloneImage(pFG);
    cvThreshold(pIB,pIB,128,255,CV_THRESH_BINARY);
    cvFindContours(pIB,storage, &cnt, sizeof(CvContour), CV_RETR_EXTERNAL);
    cvReleaseImage(&pIB);

    /* Create cnt_list.      */
    /* Process each contour: */
    for(; cnt; cnt=cnt->h_next)
    {
        cvSeqPush( cnt_list, &cnt);
    }

    claster_num = cvSeqPartition( cnt_list, storage, &clasters, CompareContour, NULL );

    for(claster_cur=0; claster_cur<claster_num; ++claster_cur)
    {
        int         cnt_cur;
        CvBlob      NewBlob;
        double      M00,X,Y,XX,YY; /* image moments */
        CvMoments   m;
        CvRect      rect_res = cvRect(-1,-1,-1,-1);
        CvMat       mat;

        for(cnt_cur=0; cnt_cur<clasters->total; ++cnt_cur)
        {
            CvRect  rect;
            CvSeq*  cnt;
            int k = *(int*)cvGetSeqElem( clasters, cnt_cur );
            if(k!=claster_cur) continue;
            cnt = *(CvSeq**)cvGetSeqElem( cnt_list, cnt_cur );
            rect = ((CvContour*)cnt)->rect;

            if(rect_res.height<0)
            {
                rect_res = rect;
            }
            else
            {   /* Unite rects: */
                int x0,x1,y0,y1;
                x0 = MIN(rect_res.x,rect.x);
                y0 = MIN(rect_res.y,rect.y);
                x1 = MAX(rect_res.x+rect_res.width,rect.x+rect.width);
                y1 = MAX(rect_res.y+rect_res.height,rect.y+rect.height);
                rect_res.x = x0;
                rect_res.y = y0;
                rect_res.width = x1-x0;
                rect_res.height = y1-y0;
            }
        }

        if(rect_res.height < 1 || rect_res.width < 1)
        {
            X = 0;
            Y = 0;
            XX = 0;
            YY = 0;
        }
        else
        {
            cvMoments( cvGetSubRect(pFG,&mat,rect_res), &m, 0 );
            M00 = cvGetSpatialMoment( &m, 0, 0 );
            if(M00 <= 0 ) continue;
            X = cvGetSpatialMoment( &m, 1, 0 )/M00;
            Y = cvGetSpatialMoment( &m, 0, 1 )/M00;
            XX = (cvGetSpatialMoment( &m, 2, 0 )/M00) - X*X;
            YY = (cvGetSpatialMoment( &m, 0, 2 )/M00) - Y*Y;
        }
        NewBlob = cvBlob(rect_res.x+(float)X,rect_res.y+(float)Y,(float)(4*sqrt(XX)),(float)(4*sqrt(YY)));
        pBlobs->AddBlob(&NewBlob);

    }   /* Next cluster. */

    #if 0
    {   // Debug info:
        IplImage* pI = cvCreateImage(cvSize(pFG->width,pFG->height),IPL_DEPTH_8U,3);
        cvZero(pI);
        for(claster_cur=0; claster_cur<claster_num; ++claster_cur)
        {
            int         cnt_cur;
            CvScalar    color = CV_RGB(rand()%256,rand()%256,rand()%256);

            for(cnt_cur=0; cnt_cur<clasters->total; ++cnt_cur)
            {
                CvSeq*  cnt;
                int k = *(int*)cvGetSeqElem( clasters, cnt_cur );
                if(k!=claster_cur) continue;
                cnt = *(CvSeq**)cvGetSeqElem( cnt_list, cnt_cur );
                cvDrawContours( pI, cnt, color, color, 0, 1, 8);
            }

            CvBlob* pB = pBlobs->GetBlob(claster_cur);
            int x = cvRound(CV_BLOB_RX(pB)), y = cvRound(CV_BLOB_RY(pB));
            cvEllipse( pI,
                cvPointFrom32f(CV_BLOB_CENTER(pB)),
                cvSize(MAX(1,x), MAX(1,y)),
                0, 0, 360,
                color, 1 );
        }

        cvNamedWindow( "Clusters", 0);
        cvShowImage( "Clusters",pI );

        cvReleaseImage(&pI);

    }   /* Debug info. */
    #endif

}   /* cvFindBlobsByCCClasters */
int main( int argc, char** argv )
{
    int i, j;
    CvMemStorage* storage = cvCreateMemStorage(0);
    IplImage* img = cvCreateImage( cvSize(w,w), 8, 1 );

    cvZero( img );

    for( i=0; i < 6; i++ )
    {
        int dx = (i%2)*250 - 30;
        int dy = (i/2)*150;
        CvScalar white = cvRealScalar(255);
        CvScalar black = cvRealScalar(0);

        if( i == 0 )
        {
            for( j = 0; j <= 10; j++ )
            {
                double angle = (j+5)*CV_PI/21;
                cvLine(img, cvPoint(cvRound(dx+100+j*10-80*cos(angle)),
                    cvRound(dy+100-90*sin(angle))),
                    cvPoint(cvRound(dx+100+j*10-30*cos(angle)),
                    cvRound(dy+100-30*sin(angle))), white, 1, 8, 0);
            }
        }

        cvEllipse( img, cvPoint(dx+150, dy+100), cvSize(100,70), 0, 0, 360, white, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+115, dy+70), cvSize(30,20), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+185, dy+70), cvSize(30,20), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+115, dy+70), cvSize(15,15), 0, 0, 360, white, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+185, dy+70), cvSize(15,15), 0, 0, 360, white, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+115, dy+70), cvSize(5,5), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+185, dy+70), cvSize(5,5), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+150, dy+100), cvSize(10,5), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+150, dy+150), cvSize(40,10), 0, 0, 360, black, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+27, dy+100), cvSize(20,35), 0, 0, 360, white, -1, 8, 0 );
        cvEllipse( img, cvPoint(dx+273, dy+100), cvSize(20,35), 0, 0, 360, white, -1, 8, 0 );
    }

    cvNamedWindow( "image", 1 );
    cvShowImage( "image", img );

    cvFindContours( img, storage, &contours, sizeof(CvContour),
                    CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) );

    // comment this out if you do not want approximation
    contours = cvApproxPoly( contours, sizeof(CvContour), storage, CV_POLY_APPROX_DP, 3, 1 );

    cvNamedWindow( "contours", 1 );
    cvCreateTrackbar( "levels+3", "contours", &levels, 7, on_trackbar );
    
    on_trackbar(0);
    cvWaitKey(0);
    cvReleaseMemStorage( &storage );
    cvReleaseImage( &img );

    return 0;
}
Exemplo n.º 27
0
    virtual void Process(IplImage* pImg, IplImage* /*pFG*/) {
        int i;
        double          MinTv = pImg->width / 1440.0; /* minimal threshold for speed difference */
        double          MinTv2 = MinTv * MinTv;

        for (i = m_Tracks.GetBlobNum(); i > 0; --i) {
            DefTrackForDist* pF = (DefTrackForDist*)m_Tracks.GetBlob(i - 1);
            pF->state = 0;

            if (pF->LastFrame == m_Frame || pF->LastFrame + 1 == m_Frame) {
                /* Process one blob trajectory: */
                int NumEq = 0;
                int it;

                for (it = m_TrackDataBase.GetBlobNum(); it > 0; --it) {
                    /* Check template: */
                    DefTrackForDist*   pFT = (DefTrackForDist*)m_TrackDataBase.GetBlob(it - 1);
                    int         Num = pF->pTrack->GetPointNum();
                    int         NumT = pFT->pTrack->GetPointNum();
                    int*        pPairIdx = (int*)ReallocTempData(sizeof(int) * 2 * (Num + NumT) + sizeof(DefMatch) * Num * NumT);
                    void*       pTmpData = pPairIdx + 2 * (Num + NumT);
                    int         PairNum = 0;
                    int         k;
                    int         Equal = 1;
                    int         UseVel = 0;
                    int         UsePos = 0;

                    if (i == it) { continue; }

                    /* Match track: */
                    PairNum = cvTrackMatch(pF->pTrack, m_TraceLen, pFT->pTrack, pPairIdx, pTmpData);
                    Equal = MAX(1, cvRound(PairNum * 0.1));

                    UseVel = 3 * pF->pTrack->GetPointNum() > m_TraceLen;
                    UsePos = 10 * pF->pTrack->GetPointNum() > m_TraceLen;

                    {
                        /* Check continues: */
                        float   D;
                        int     DI = pPairIdx[0*2+0] - pPairIdx[(PairNum-1)*2+0];
                        int     DIt = pPairIdx[0*2+1] - pPairIdx[(PairNum-1)*2+1];
                        if (UseVel && DI != 0) {
                            D = (float)(DI - DIt) / (float)DI;
                            if (fabs(D) > m_VelThreshold) { Equal = 0; }
                            if (fabs(D) > m_VelThreshold * 0.5) { Equal /= 2; }
                        }
                    }   /* Check continues. */

                    for (k = 0; Equal > 0 && k < PairNum; ++k) {
                        /* Compare with threshold: */
                        int             j = pPairIdx[k*2+0];
                        int             jt = pPairIdx[k*2+1];
                        DefTrackPoint*  pB = pF->pTrack->GetPoint(j);
                        DefTrackPoint*  pBT = pFT->pTrack->GetPoint(jt);
                        double          dx = pB->x - pBT->x;
                        double          dy = pB->y - pBT->y;
                        double          dvx = pB->vx - pBT->vx;
                        double          dvy = pB->vy - pBT->vy;
                        //double          dv = pB->v - pBT->v;
                        double          D = dx * dx + dy * dy;
                        double          Td = pBT->r * m_PosThreshold;
                        double          dv2 = dvx * dvx + dvy * dvy;
                        double          Tv2 = (pBT->vx * pBT->vx + pBT->vy * pBT->vy) * m_VelThreshold * m_VelThreshold;
                        double          Tvm = pBT->v * m_VelThreshold;


                        if (Tv2 < MinTv2) { Tv2 = MinTv2; }
                        if (Tvm < MinTv) { Tvm = MinTv; }

                        /* Check trajectory position: */
                        if (UsePos && D > Td * Td) {
                            Equal--;
                        } else
                            /* Check trajectory velocity. */
                            /* Don't consider trajectory tail because its unstable for velocity computation. */
                            if (UseVel && j > 5 && jt > 5 && dv2 > Tv2) {
                                Equal--;
                            }
                    } /* Compare with threshold. */

                    if (Equal > 0) {
                        NumEq++;
                        pFT->close++;
                    }
                } /* Next template. */

                {
                    /* Calculate state: */
                    float   T = m_TrackDataBase.GetBlobNum() * m_AbnormalThreshold; /* calc threshold */

                    if (T > 0) {
                        pF->state = (T - NumEq) / (T * 0.2f) + 0.5f;
                    }
                    if (pF->state < 0) { pF->state = 0; }
                    if (pF->state > 1) { pF->state = 1; }

                    /*if(0)if(pF->state>0)
                    {// if abnormal blob
                        printf("Abnormal blob(%d) %d < %f, state=%f\n",CV_BLOB_ID(pF),NumEq,T, pF->state);
                    }*/
                }   /* Calculate state. */
            }   /*  Process one blob trajectory. */
            else {
                /* Move track to tracks data base: */
                m_TrackDataBase.AddBlob((CvBlob*)pF);
                m_Tracks.DelBlob(i - 1);
            }
        } /* Next blob. */


        if (m_Wnd) {
            /* Debug output: */
            int i;

            if (m_pDebugImg == NULL) {
                m_pDebugImg = cvCloneImage(pImg);
            } else {
                cvCopy(pImg, m_pDebugImg);
            }

            for (i = m_TrackDataBase.GetBlobNum(); i > 0; --i) {
                /* Draw all elements in track data base:  */
                int         j;
                DefTrackForDist*   pF = (DefTrackForDist*)m_TrackDataBase.GetBlob(i - 1);
                CvScalar    color = CV_RGB(0, 0, 0);
                if (!pF->close) { continue; }
                if (pF->close) {
                    color = CV_RGB(0, 0, 255);
                } else {
                    color = CV_RGB(0, 0, 128);
                }

                for (j = pF->pTrack->GetPointNum(); j > 0; j--) {
                    DefTrackPoint* pB = pF->pTrack->GetPoint(j - 1);
                    int r = 0;//MAX(cvRound(pB->r),1);
                    cvCircle(m_pDebugImg, cvPoint(cvRound(pB->x), cvRound(pB->y)), r, color);
                }
                pF->close = 0;
            }   /* Draw all elements in track data base. */

            for (i = m_Tracks.GetBlobNum(); i > 0; --i) {
                /* Draw all elements for all trajectories: */
                DefTrackForDist*    pF = (DefTrackForDist*)m_Tracks.GetBlob(i - 1);
                int                 j;
                int                 c = cvRound(pF->state * 255);
                CvScalar            color = CV_RGB(c, 255 - c, 0);
                CvPoint             p = cvPointFrom32f(CV_BLOB_CENTER(pF));
                int                 x = cvRound(CV_BLOB_RX(pF)), y = cvRound(CV_BLOB_RY(pF));
                CvSize              s = cvSize(MAX(1, x), MAX(1, y));

                cvEllipse(m_pDebugImg,
                p,
                s,
                0, 0, 360,
                CV_RGB(c, 255 - c, 0), cvRound(1 + (0 * c) / 255));

                for (j = pF->pTrack->GetPointNum(); j > 0; j--) {
                    DefTrackPoint* pB = pF->pTrack->GetPoint(j - 1);
                    if (pF->pTrack->GetPointNum() - j > m_TraceLen) { break; }
                    cvCircle(m_pDebugImg, cvPoint(cvRound(pB->x), cvRound(pB->y)), 0, color);
                }
                pF->close = 0;

            }   /* Draw all elements for all trajectories. */

            //cvNamedWindow("Tracks",0);
            //cvShowImage("Tracks", m_pDebugImg);
        } /* Debug output. */

#if 0
        if (m_pDebugImg && m_pDebugAVIName) {
            if (m_pDebugAVI == NULL) {
                /* Create avi file for writing: */
                m_pDebugAVI = cvCreateVideoWriter(
                    m_pDebugAVIName,
                    CV_FOURCC('x', 'v', 'i', 'd'),
                    25,
                    cvSize(m_pDebugImg->width, m_pDebugImg->height));

                if (m_pDebugAVI == NULL) {
                    printf("WARNING!!! Can not create AVI file %s for writing\n", m_pDebugAVIName);
                }
            }   /* Create avi file for writing. */

            if (m_pDebugAVI) { cvWriteFrame(m_pDebugAVI, m_pDebugImg); }
        }   /* Write debug window to AVI file. */
#endif
        m_Frame++;
    };
//将所有模块连接使用的函数
//根据这个来修改自己的
 int RunBlobTrackingAuto2323(CvCapture* pCap, CvBlobTrackerAuto* pTracker, char* fgavi_name , char* btavi_name )
{
	int                     OneFrameProcess = 0;
	int                     key;
	int                     FrameNum = 0;
	CvVideoWriter*          pFGAvi = NULL;
	CvVideoWriter*          pBTAvi = NULL;

	/* Main loop: */
	/*OneFrameProcess =0 时,为waitkey(0) 不等待了,返回-1,waitkey(1)表示等1ms,如果按键了返回按键,超时返回-1*/
	for (FrameNum = 0; pCap && (key = cvWaitKey(OneFrameProcess ? 0 : 1)) != 27;//按下esc键整个程序结束。 
		FrameNum++)
	{   /* Main loop: */// 整个程序的主循环。这个循环终止,意味着这个程序结束。
		IplImage*   pImg = NULL;
		IplImage*   pMask = NULL;

		if (key != -1)
		{
			OneFrameProcess = 1;
			if (key == 'r')OneFrameProcess = 0;
		}

		pImg = cvQueryFrame(pCap);//读取视频
		if (pImg == NULL) break;


		/* Process: */
		pTracker->Process(pImg, pMask);//处理图像。这个函数应该执行完了所有的处理过程。

		if (fgavi_name)//参数设置了fg前景要保存的文件名
		if (pTracker->GetFGMask())//前景的图像的mask存在的话,保存前景。画出团块 
		{   /* Debug FG: */
			IplImage*           pFG = pTracker->GetFGMask();//得到前景的mask
			CvSize              S = cvSize(pFG->width, pFG->height);
			static IplImage*    pI = NULL;

			if (pI == NULL)pI = cvCreateImage(S, pFG->depth, 3);
			cvCvtColor(pFG, pI, CV_GRAY2BGR);

			if (fgavi_name)//保存前景到视频
			{   /* Save fg to avi file: */
				if (pFGAvi == NULL)
				{
					pFGAvi = cvCreateVideoWriter(
						fgavi_name,
						CV_FOURCC('x', 'v', 'i', 'd'),
						25,
						S);
				}
				cvWriteFrame(pFGAvi, pI);//写入一张图
			}

			//画出团块的椭圆
			if (pTracker->GetBlobNum() > 0) //pTracker找到了blob
			{   /* Draw detected blobs: */
				int i;
				for (i = pTracker->GetBlobNum(); i > 0; i--)
				{
					CvBlob* pB = pTracker->GetBlob(i - 1);//得到第i-1个blob
					CvPoint p = cvPointFrom32f(CV_BLOB_CENTER(pB));//团块中心
					//这个宏竟然是个强制转换得来的。见下行。
					//#define CV_BLOB_CENTER(pB) cvPoint2D32f(((CvBlob*)(pB))->x,((CvBlob*)(pB))->y)
					CvSize  s = cvSize(MAX(1, cvRound(CV_BLOB_RX(pB))), MAX(1, cvRound(CV_BLOB_RY(pB))));
					//通过宏 获得团块的w 和h 的size
					int c = cvRound(255 * pTracker->GetState(CV_BLOB_ID(pB)));
					cvEllipse(pI,//在图中,对团块画圆
						p,
						s,
						0, 0, 360,
						CV_RGB(c, 255 - c, 0), cvRound(1 + (3 * c) / 255));
				}   /* Next blob: */;
			}
			cvNamedWindow("FG", 0);
			cvShowImage("FG", pI);
		}   /* Debug FG. *///如果要保存结果,对前景保存,画出团块


		//在原图上:找到的blob附近写下id
		/* Draw debug info: */
		if (pImg)//原始的每帧图像。
		{   /* Draw all information about test sequence: */
			char        str[1024];
			int         line_type = CV_AA;   // Change it to 8 to see non-antialiased graphics.
			CvFont      font;
			int         i;
			IplImage*   pI = cvCloneImage(pImg);

			cvInitFont(&font, CV_FONT_HERSHEY_PLAIN, 0.7, 0.7, 0, 1, line_type);

			for (i = pTracker->GetBlobNum(); i > 0; i--)
			{
				CvSize  TextSize;
				CvBlob* pB = pTracker->GetBlob(i - 1);
				CvPoint p = cvPoint(cvRound(pB->x * 256), cvRound(pB->y * 256));
				CvSize  s = cvSize(MAX(1, cvRound(CV_BLOB_RX(pB) * 256)), MAX(1, cvRound(CV_BLOB_RY(pB) * 256)));
				int c = cvRound(255 * pTracker->GetState(CV_BLOB_ID(pB)));


				//画团块到原始图像上
				cvEllipse(pI,
					p,
					s,
					0, 0, 360,
					CV_RGB(c, 255 - c, 0), cvRound(1 + (3 * 0) / 255), CV_AA, 8);


				//下面代码的大概意思就是在找到的blob附近写下id
				p.x >>= 8;
				p.y >>= 8;
				s.width >>= 8;
				s.height >>= 8;
				sprintf(str, "%03d", CV_BLOB_ID(pB));
				cvGetTextSize(str, &font, &TextSize, NULL);
				p.y -= s.height;
				cvPutText(pI, str, p, &font, CV_RGB(0, 255, 255));
				{
					const char* pS = pTracker->GetStateDesc(CV_BLOB_ID(pB));

					if (pS)
					{
						char* pStr = MY_STRDUP(pS);
						char* pStrFree = pStr;

						while (pStr && strlen(pStr) > 0)
						{
							char* str_next = strchr(pStr, '\n');

							if (str_next)
							{
								str_next[0] = 0;
								str_next++;
							}

							p.y += TextSize.height + 1;
							cvPutText(pI, pStr, p, &font, CV_RGB(0, 255, 255));
							pStr = str_next;
						}
						free(pStrFree);
					}
				}

			}   /* Next blob. */;

			cvNamedWindow("Tracking", 0);
			cvShowImage("Tracking", pI);

			if (btavi_name && pI)//如果这一帧存在且,你想把图像存起来,就是传过来的参数不为空例如  btavi_name=“1.avi"   就能存起来了。
			{   /* Save to avi file: */
				CvSize      S = cvSize(pI->width, pI->height);
				if (pBTAvi == NULL)
				{
					pBTAvi = cvCreateVideoWriter(
						btavi_name,
						CV_FOURCC('x', 'v', 'i', 'd'),
						25,
						S);
				}
				cvWriteFrame(pBTAvi, pI);
			}

			cvReleaseImage(&pI);
		}   /* Draw all information about test sequence. */
	}   /*  Main loop. */

	if (pFGAvi)cvReleaseVideoWriter(&pFGAvi);
	if (pBTAvi)cvReleaseVideoWriter(&pBTAvi);
	return 0;
}   /* RunBlobTrackingAuto */