Example #1
0
void CamShiftPlugin::ProcessStatic
( int i, ImagePlus *img, ImagePlus *oimg, int *hsizes, CvTermCriteria criteria,
IplImage** &planes, CvHistogram* &hist, IplImage* &backproject, CvRect &orect, CvPoint &ocenter, CvRect &searchwin, CvMat* &rotation, CvMat* &shift, bool oready){
	if (hist && hist->mat.dim[0].size!=hsizes[0])
		cvReleaseHist(&hist);
	if( !hist )
        hist = cvCreateHist( 3, hsizes, CV_HIST_ARRAY, NULL, 0);
    if( !backproject )
		backproject = cvCreateImage( cvGetSize(img->orig), IPL_DEPTH_8U, 1 );
	if( !planes ){
	    planes = (IplImage**) malloc(3 * sizeof(IplImage*));
        for (int p=0; p<3; p++)
			planes[p] = cvCreateImage( cvGetSize(img->orig), 8, 1 );
	}
	if (!rotation)
		rotation = cvCreateMat(2,3,CV_32FC1);
	if (!shift)
		shift = cvCreateMat(2,1,CV_32FC1);

	if (!oready){
		orect = cvBoundingRect(oimg->contourArray[i],1);
		cvCvtPixToPlane( oimg->orig, planes[0], planes[1], planes[2], 0 );
        for (int p=0; p<3; p++)
            cvSetImageROI(planes[p],orect);
        cvCalcHist( planes, hist, 0, NULL );
		cvNormalizeHist(hist, 255);
        for (int p=0; p<3; p++)
            cvResetImageROI(planes[p]);
		searchwin = orect; //cvRect(0,0,img->orig->width, img->orig->height);
		ocenter = cvPoint(orect.x+orect.width/2, orect.y+orect.height/2);
	}
	//The following checks shouldn't be needed.
	RestrictRect(searchwin, cvRect(0,0,backproject->width,backproject->height));

	cvCvtPixToPlane( img->orig, planes[0], planes[1], planes[2], 0 );
    cvCalcBackProject( planes, backproject, hist );
	CvBox2D track_box;
	CvConnectedComp track_comp;
    cvCamShift( backproject, searchwin,
                criteria,
                &track_comp, &track_box );
	searchwin = track_comp.rect;
	cvmSet(shift,0,0,track_box.center.x - ocenter.x);
	cvmSet(shift,1,0,track_box.center.y - ocenter.y);
//	shift->data.fl[0] = track_box.center.x - ocenter.x;
//	shift->data.fl[1] = track_box.center.y - ocenter.y;
	cv2DRotationMatrix(track_box.center, track_box.angle, 1.0, rotation);
	cvTransform(oimg->contourArray[i],img->contourArray[i],rotation,shift);
//	CvMat *ofm = FeatPointsToMat(oimg->feats[i]);
//	Cvmat *fm  = FeatPointsToMat(img->feats[i]);
//	cvTransform(ofm,img->contourArray[i],rotation,shift);
	TransformFeatPoints(oimg->feats[i], img->feats[i], rotation, shift);
}
Example #2
0
/* Projects 2d points to one of standard coordinate planes
   (i.e. removes one of coordinates) */
void  cvProject3D( CvPoint3D32f* points3D, int count,
                   CvPoint2D32f* points2D, int xIndx, int yIndx)
{
    CvMat src = cvMat( 1, count, CV_32FC3, points3D );
    CvMat dst = cvMat( 1, count, CV_32FC2, points2D );
    float m[6] = {0,0,0,0,0,0};
    CvMat M = cvMat( 2, 3, CV_32F, m );

    assert( (unsigned)xIndx < 3 && (unsigned)yIndx < 3 );
    m[xIndx] = m[yIndx+3] = 1.f;

    cvTransform( &src, &dst, &M, NULL );
}