void merge(const ImageOf<PixelRgb> &imgR, const ImageOf<PixelRgb> &imgL, ImageOf<PixelRgb> &out) { if (out.width()!=imgR.width()/scale) out.resize(imgR.width()/scale, imgR.height()/scale); int rr=0; for(int r=0; r<out.height(); r++) { const unsigned char *tmpR=imgR.getRow(rr); const unsigned char *tmpL=imgL.getRow(rr); unsigned char *tmpO=out.getRow(r); for(int c=0; c<out.width(); c++) { tmpO[0]=(unsigned char) (1/3.0*(tmpL[0]+tmpL[1]+tmpL[2])); tmpO[1]=(unsigned char) (1/3.0*(tmpR[0]+tmpR[1]+tmpR[2])); tmpO+=3; tmpL+=(3*scale); tmpR+=(3*scale); } rr+=scale; } }
void testTransmit() { report(0,"testing image transmission..."); ImageOf<PixelRgb> img1; img1.resize(128,64); for (int x=0; x<img1.width(); x++) { for (int y=0; y<img1.height(); y++) { PixelRgb& pixel = img1.pixel(x,y); pixel.r = x; pixel.g = y; pixel.b = 42; } } PortReaderBuffer< ImageOf<PixelRgb> > buf; Port input, output; buf.setStrict(); buf.attach(input); input.open("/in"); output.open("/out"); output.addOutput(Contact("/in", "tcp")); Time::delay(0.2); report(0,"writing..."); output.write(img1); output.write(img1); output.write(img1); report(0,"reading..."); ImageOf<PixelRgb> *result = buf.read(); checkTrue(result!=NULL,"got something check"); if (result!=NULL) { checkEqual(img1.width(),result->width(),"width check"); checkEqual(img1.height(),result->height(),"height check"); if (img1.width()==result->width() && img1.height()==result->height()) { int mismatch = 0; for (int x=0; x<img1.width(); x++) { for (int y=0; y<img1.height(); y++) { PixelRgb& pix0 = img1.pixel(x,y); PixelRgb& pix1 = result->pixel(x,y); if (pix0.r!=pix1.r || pix0.g!=pix1.g || pix0.b!=pix1.b) { mismatch++; } } } checkTrue(mismatch==0,"pixel match check"); } } output.close(); input.close(); }
bool DevicePipe::updateService() { IFrameGrabberImage *imgSource; IAudioGrabberSound *sndSource; IAudioVisualGrabber *imgSndSource; IAudioVisualStream *sourceType; IAudioRender *sndSink; IFrameWriterImage *imgSink; IFrameWriterAudioVisual *imgSndSink; IAudioVisualStream *sinkType; source.view(imgSource); source.view(sndSource); source.view(imgSndSource); source.view(sourceType); sink.view(imgSink); sink.view(sndSink); sink.view(imgSndSink); sink.view(sinkType); if (sourceType!=NULL) { if (!(sourceType->hasAudio()&&sourceType->hasVideo())) { imgSndSource = NULL; } } if (sinkType!=NULL) { if (!(sinkType->hasAudio()&&sinkType->hasVideo())) { imgSndSink = NULL; } } if (imgSndSource!=NULL&&imgSndSink!=NULL) { ImageOf<PixelRgb> tmp; Sound tmpSound; imgSndSource->getAudioVisual(tmp,tmpSound); imgSndSink->putAudioVisual(tmp,tmpSound); printf("piped %dx%d image, %dx%d sound\n", tmp.width(), tmp.height(), tmpSound.getSamples(), tmpSound.getChannels()); } else if (imgSource!=NULL&&imgSink!=NULL) { ImageOf<PixelRgb> tmp; imgSource->getImage(tmp); imgSink->putImage(tmp); printf("piped %dx%d image\n", tmp.width(), tmp.height()); } else if (sndSource!=NULL&&sndSink!=NULL) { Sound tmp; sndSource->getSound(tmp); sndSink->renderSound(tmp); printf("piped %dx%d sound\n", tmp.getSamples(), tmp.getChannels()); } else { printf("Don't know how to pipe between these devices.\n"); printf("Piping is very limited at the moment.\n"); printf("You're probably better off writing some short custom code.\n"); return false; } return true; }
cv::Rect CalibModule::extractFingerTip(ImageOf<PixelMono> &imgIn, ImageOf<PixelBgr> &imgOut, const Vector &c, Vector &px) { cv::Mat imgInMat=cv::cvarrToMat((IplImage*)imgIn.getIplImage()); // produce a colored image imgOut.resize(imgIn); cv::Mat imgOutMat=cv::cvarrToMat((IplImage*)imgOut.getIplImage()); // proceed iff the center is within the image plane if ((c[0]<10.0) || (c[0]>imgIn.width()-10) || (c[1]<10.0) || (c[1]>imgIn.height()-10)) { cv::cvtColor(imgInMat,imgOutMat,CV_GRAY2BGR); return cv::Rect(); } // saturate the top-left and bottom-right corners int roi_side2=roi_side>>1; cv::Point ct((int)c[0],(int)c[1]); cv::Point tl((int)(c[0]-roi_side2),(int)(c[1]-roi_side2)); cv::Point br((int)(c[0]+roi_side2),(int)(c[1]+roi_side2)); tl.x=std::max(1,tl.x); tl.x=std::min(tl.x,imgIn.width()-1); tl.y=std::max(1,tl.y); tl.y=std::min(tl.y,imgIn.height()-1); br.x=std::max(1,br.x); br.x=std::min(br.x,imgIn.width()-1); br.y=std::max(1,br.y); br.y=std::min(br.y,imgIn.height()-1); cv::Rect rect(tl,br); // run Otsu algorithm to segment out the finger cv::Mat imgInMatRoi(imgInMat,rect); cv::threshold(imgInMatRoi,imgInMatRoi,0,255,cv::THRESH_BINARY|cv::THRESH_OTSU); cv::cvtColor(imgInMat,imgOutMat,CV_GRAY2BGR); px.resize(2,0.0); bool ok=false; for (int y=tl.y; y<br.y; y++) { for (int x=tl.x; x<br.x; x++) { if (imgIn(x,y)>0) { // predict the center of the finger a bit shifted x+=3; y+=5; px[0]=x; px[1]=y; cv::circle(imgOutMat,cv::Point(x,y),5,cv::Scalar(0,0,255),-1); ok=true; break; } } if (ok) break; } cv::circle(imgOutMat,ct,5,cv::Scalar(0,255,0),-1); cv::rectangle(imgOutMat,tl,br,cv::Scalar(255,255,255),4); return rect; }
static bool ImageReadRGB(ImageOf<PixelRgb> &img, const char *filename) { int width, height, color, num; FILE *fp=0; fp = fopen(filename, "rb"); if(fp==0) { fprintf(stderr, "Error opening %s, check if file exists.\n", filename); return false; } if (!ReadHeader(fp, &height, &width, &color)) { fclose (fp); fprintf(stderr, "Error reading header, is file a valid ppm/pgm?\n"); return false; } if (!color) { ImageOf<PixelMono> tmp; tmp.resize(width,height); const int w = tmp.width() * tmp.getPixelSize(); const int h = tmp.height(); const int pad = tmp.getRowSize(); unsigned char *dst = tmp.getRawImage (); num = 0; for (int i = 0; i < h; i++) { num += (int)fread((void *) dst, 1, (size_t) w, fp); dst += pad; } fclose(fp); img.copy(tmp); return true; } img.resize(width,height); const int w = img.width() * img.getPixelSize(); const int h = img.height(); const int pad = img.getRowSize(); unsigned char *dst = img.getRawImage (); num = 0; for (int i = 0; i < h; i++) { num += (int)fread((void *) dst, 1, (size_t) w, fp); dst += pad; } fclose(fp); return true; }
int main() { Network yarp; // set up yarp BufferedPort<ImageOf<PixelRgb> > imagePort; // make a port for reading images BufferedPort<Vector> targetPort; imagePort.open("/tutorial/image/in"); // give the port a name targetPort.open("/tutorial/target/out"); Network::connect("/icubSim/cam/left","/tutorial/image/in"); while (1) { // repeat forever ImageOf<PixelRgb> *image = imagePort.read(); // read an image ImageOf<PixelRgb> *image_cropped; if (image!=NULL) { // check we actually got something printf("We got an image of size %dx%d\n", image->width(), image->height()); double xMean = 0; double yMean = 0; int ct = 0; for (int x=0; x<image->width(); x++) { for (int y=0; y<image->height(); y++) { PixelRgb& pixel = image->pixel(x,y); /* very simple test for blueishness */ /* make sure blue level exceeds red and green by a factor of 2 */ if (pixel.b>pixel.r*1.2+10 && pixel.b>pixel.g*1.2+10) { /* there's a blueish pixel at (x,y)! */ /* let's find the average location of these pixels */ xMean += x; yMean += y; ct++; } } } if (ct>0) { xMean /= ct; yMean /= ct; } if (ct>(image->width()/20)*(image->height()/20)) { printf("Best guess at blue target: %g %g\n", xMean, yMean); Vector& target = targetPort.prepare(); target.resize(3); target[0] = xMean; target[1] = yMean; target[2] = 1; targetPort.write(); } else { Vector& target = targetPort.prepare(); target.resize(3); target[0] = 0; target[1] = 0; target[2] = 0; targetPort.write(); } } } return 0; }
// From iCub staticgrabber device. // DF2 bayer sequence. // -- in staticgrabber: first row GBGBGB, second row RGRGRG. // -- changed here to: first row GRGRGR, second row BGBGBG. bool TestFrameGrabber::makeSimpleBayer( ImageOf<PixelRgb>& img, ImageOf<PixelMono>& bayer) { bayer.resize(img.width(), img.height()); const int w = img.width(); const int h = img.height(); int i, j; for (i = 0; i < h; i++) { PixelRgb *row = (PixelRgb *)img.getRow(i); PixelMono *rd = (PixelMono *)bayer.getRow(i); for (j = 0; j < w; j++) { if ((i%2) == 0) { switch (j%4) { case 0: case 2: *rd++ = row->g; row++; break; case 1: case 3: *rd++ = row->r; row++; break; } } if ((i%2) == 1) { switch (j%4) { case 1: case 3: *rd++ = row->g; row++; break; case 0: case 2: *rd++ = row->b; row++; break; } } } } return true; }
/** * Read an image from the grabber. * * @param image The image to read. The image will be resized to * the dimensions the grabber is using, and the captured image * data will be written to it. * * @return True if an image was successfully captured. If false * returned, the image will be resized to the dimensions used by * the grabber, but all pixels will be zeroed. */ bool OpenCVGrabber::sendImage(IplImage* iplFrame, ImageOf<PixelRgb> & image) { // Resize the output image, this should not result in new // memory allocation if the image is already the correct size image.resize(iplFrame->width, iplFrame->height); if (!m_saidSize) { yDebug("Received image of size %dx%d\n", image.width(), image.height()); m_saidSize = true; } // Get an IplImage, the Yarp Image owns the memory pointed to IplImage * iplImage = (IplImage*)image.getIplImage(); // create the timestamp m_laststamp.update(); // Copy the captured image to the output image, flipping it if // the coordinate origin is not the top left if (IPL_ORIGIN_TL == iplFrame->origin) cvCopy(iplFrame, iplImage, 0); else cvFlip(iplFrame, iplImage, 0); if (iplFrame->channelSeq[0] == 'B') { cvCvtColor(iplImage, iplImage, CV_BGR2RGB); } if (m_w <= 0) { m_w = image.width(); } if (m_h <= 0) { m_h = image.height(); } if (fromFile) { if (m_w>0 && m_h>0) { if (image.width() != m_w || image.height() != m_h) { if (!m_saidResize) { yDebug("Software scaling from %dx%d to %dx%d", image.width(), image.height(), m_w, m_h); m_saidResize = true; } image.copy(image, m_w, m_h); } } } DBG yDebug("%d by %d %s image\n", image.width(), image.height(), iplFrame->channelSeq); return true; }
int main(int argc, char *argv[]) { DriverCreator *fake_factory = new DriverCreatorOf<FakeFrameGrabber>("fake_grabber","grabber","FakeFrameGrabber"); Drivers::factory().add(fake_factory); // hand factory over to YARP PolyDriver dd("fake_grabber"); if (!dd.isValid()) { printf("fake_grabber not available\n"); return 1; } IFrameGrabberImage *grabber; dd.view(grabber); if (grabber==NULL) { printf("*** Device failed to supply images\n"); return 1; } printf("*** Device can supply images\n"); ImageOf<PixelRgb> img; if (grabber->getImage(img)) { printf("*** Got a %dx%d image\n", img.width(), img.height()); } else { printf("Failed to read an image\n"); return 1; } return 0; }
bool getCOG(ImageOf<PixelRgb> &img, Vector &cog) { int xMean=0; int yMean=0; int ct=0; for (int x=0; x<img.width(); x++) { for (int y=0; y<img.height(); y++) { PixelRgb &pixel=img.pixel(x,y); if ((pixel.b>5.0*pixel.r) && (pixel.b>5.0*pixel.g)) { xMean+=x; yMean+=y; ct++; } } } if (ct>0) { cog.resize(2); cog[0]=xMean/ct; cog[1]=yMean/ct; return true; } else return false; }
bool OverlayEffect::draw(ImageOf<PixelRgb>& src2, ImageOf<PixelRgb>& dest2) { if (needRead) { readEffectData(); needRead = false; } dest2 = src2; if (img.isValid()) { for (int x=0; x<dest2.width()&&x<img.width(); x++) { for (int y=0; y<dest2.height()&&y<img.height(); y++) { PixelBgra v = img.pixel(x,y); if (v.a==0) { dest2(x,y) = PixelRgb(v.r,v.g,v.b); } else if (v.a>=127) { // do nothing, leave copied value } else { PixelRgb& o = dest2(x,y); float f = v.a/127.0; if (f>1) f = 1; int r = (int)((1-f)*v.r+f*o.r); int g = (int)((1-f)*v.g+f*o.g); int b = (int)((1-f)*v.b+f*o.b); dest2(x,y) = PixelRgb(r,g,b); } } } } return true; }
void testScale() { report(0,"checking scaling..."); ImageOf<PixelRgb> img; ImageOf<PixelMono> img2; ImageOf<PixelRgb> img3; img.resize(64,64); img.zero(); for (int i=0; i<img.width()/2; i++) { for (int j=0; j<img.height()/2; j++) { img(i,j).r = 255; img(i,j).g = 255; img(i,j).b = 255; } } img2.copy(img,32,32); checkEqual(img2.width(),32,"dimension check"); checkEqual(img2(0,0),255,"logic check"); checkEqual(img2(img2.width()-2,0),0,"logic check"); checkEqual(img2(0,img2.height()-2),0,"logic check"); img3.copy(img,16,16); checkEqual(img3.width(),16,"dimension check"); checkEqual(img3(0,0).r,255,"logic check"); checkEqual(img3(img3.width()-2,0).r,0,"logic check"); checkEqual(img3(0,img3.height()-2).r,0,"logic check"); img.copy(img3,4,4); checkEqual(img.width(),4,"dimension check"); }
void AcousticMap::renderGaussianDistribution(ImageOf<PixelFloat> &img, int posX, int posY, int sizex, int sizey, float sigmaX, float sigmaY, float height) { IplImage *ipl = (IplImage*)img.getIplImage(); //cout << "going to render.." << posX << " " << posY << " " << sizex << " " << sizey << " " << sigmaX << " " << sigmaY << " " << height << endl; if (((sizex-1)%2 == 0) && ((sizey-1)%2 == 0)) { int extx = (sizex-1)/2; int exty = (sizey-1)/2; int currX, currY; for(int y=-exty; y<=exty; y++) { for(int x=-extx; x<=extx; x++) { currX = x+posX; currY = y+posY; // if inside acoustic map //cout << "rendering at: " << posX << " " << posY << endl; if (posX >= 0 && posX < img.width() && posY >= 0 && posY < img.height()) { //cout << "rendering at: " << posX << " " << posY << " value: " << height*(float)(exp(-0.5*(((float)x/sigmaX)*((float)x/sigmaX)+((float)y/sigmaY)*((float)y/sigmaY)))) << endl; ((float*)(ipl->imageData + ipl->widthStep*(currY)))[currX] = height*(float)(exp(-0.5*(((float)x/sigmaX)*((float)x/sigmaX)+((float)y/sigmaY)*((float)y/sigmaY)))); } } } } else { cout << "AcousticMap::renderGaussianDistribution not possible due to invalid size (has to be odd)" << endl; } }
void IntensitySalience::applyImpl(ImageOf<PixelRgb>& src, ImageOf<PixelRgb>& dest, ImageOf<PixelFloat>& sal) { dest.resize(src); sal.resize(src); if (_sizeOld.width != src.width() || _sizeOld.height != src.height()) initImages(cvSize(src.width(), src.height())); cvCvtColor(src.getIplImage(), _imgGray, CV_RGB2GRAY); cvCvtColor(_imgGray, dest.getIplImage(), CV_GRAY2RGB); gray2Float(_imgGray, (IplImage*)sal.getIplImage()); _sizeOld.width = src.width(); _sizeOld.height = src.height(); }
void testExternalRepeat() { report(0,"checking that setExternal can be called multiple times..."); unsigned char buf[EXT_HEIGHT*EXT_WIDTH*3]; unsigned char buf2[EXT_HEIGHT*2*EXT_WIDTH*2*3]; ImageOf<PixelRgb> img; img.setExternal(&buf[0],EXT_WIDTH,EXT_HEIGHT); checkEqual(img.width(),EXT_WIDTH,"width check"); checkEqual(img.height(),EXT_HEIGHT,"height check"); img.setExternal(&buf2[0],EXT_WIDTH*2,EXT_HEIGHT*2); checkEqual(img.width(),EXT_WIDTH*2,"width check"); checkEqual(img.height(),EXT_HEIGHT*2,"height check"); }
/** * Read an image from the grabber. * * @param image The image to read. The image will be resized to * the dimensions the grabber is using, and the captured image * data will be written to it. * * @return True if an image was successfully captured. If false * returned, the image will be resized to the dimensions used by * the grabber, but all pixels will be zeroed. */ bool OpenCVGrabber::sendImage(const cv::Mat & frame, ImageOf<PixelRgb> & image) { // Resize the output image, this should not result in new // memory allocation if the image is already the correct size image.resize(frame.cols, frame.rows); if (!m_saidSize) { yDebug("Received image of size %zux%zu\n", image.width(), image.height()); m_saidSize = true; } // create the timestamp m_laststamp.update(); // Convert to RGB color space cv::Mat frame_rgb; cv::cvtColor(frame, frame_rgb, cv::COLOR_BGR2RGB); // Copy the captured image to the output image memcpy(image.getRawImage(), frame_rgb.data, sizeof(unsigned char) * frame_rgb.rows * frame_rgb.cols * frame_rgb.channels()); if (m_w == 0) { m_w = image.width(); } if (m_h == 0) { m_h = image.height(); } if (fromFile) { if (m_w>0 && m_h>0) { if (image.width() != m_w || image.height() != m_h) { if (!m_saidResize) { yDebug("Software scaling from %zux%zu to %zux%zu", image.width(), image.height(), m_w, m_h); m_saidResize = true; } image.copy(image, m_w, m_h); } } } DBG yDebug("%zu by %zu image\n", image.width(), image.height()); return true; }
int main() { Network::setLocalMode(true); FakeFrameGrabber fake; fake.start(); PolyDriver dd("(device test_grabber) (local /client) (remote /server)"); if (!dd.isValid()) { printf("Device not available\n"); exit(1); } printf("*** Device created\n"); IFrameGrabberImage *grabber; dd.view(grabber); if (grabber!=NULL) { printf("*** It can supply images\n"); ImageOf<PixelRgb> img; if (grabber->getImage(img)) { printf("*** Got a %dx%d image\n", img.width(), img.height()); } else { printf("*** Failed to actually read an image\n"); } IFrameGrabberControls *ctrl; dd.view(ctrl); if (ctrl!=NULL) { printf("*** It can be controlled as a framegrabber\n"); double x = ctrl->getBrightness(); printf("*** brightness before setting is reported as %g\n", x); ctrl->setBrightness(100); printf("*** brightness set\n"); x = ctrl->getBrightness(); printf("*** brightness after setting reported as %g\n", x); } else { printf("*** It can <<<<<NOT>>>>> be controlled as a framegrabber\n"); } } else { printf("*** It can <<<<<NOT>>>>> supply images\n"); } IPidControl *pid; dd.view(pid); if (pid!=NULL) { printf("*** It can do PID control\n"); } else { printf("*** It can <<<<<NOT>>>>> do PID control\n"); } return 0; }
int main(int argc, char *argv[]) { printf("Show a circle for 3 seconds...\n"); ImageOf<PixelRgb> yarpImage; printf("Creating a YARP image of a nice circle\n"); yarpImage.resize(300,200); addCircle(yarpImage,PixelRgb(255,0,0), yarpImage.width()/2,yarpImage.height()/2, yarpImage.height()/4); addCircle(yarpImage,PixelRgb(255,50,50), yarpImage.width()/2,yarpImage.height()/2, yarpImage.height()/5); printf("Copying YARP image to an OpenCV/IPL image\n"); IplImage *cvImage = cvCreateImage(cvSize(yarpImage.width(), yarpImage.height()), IPL_DEPTH_8U, 3 ); cvCvtColor((IplImage*)yarpImage.getIplImage(), cvImage, CV_RGB2BGR); printf("Showing OpenCV/IPL image\n"); cvNamedWindow("test",1); cvShowImage("test",cvImage); printf("Taking image back into YARP...\n"); ImageOf<PixelBgr> yarpReturnImage; yarpReturnImage.wrapIplImage(cvImage); yarp::sig::file::write(yarpReturnImage,"test.ppm"); printf("Saving YARP image to test.ppm\n"); cvWaitKey(3000); cvDestroyWindow("test"); cvReleaseImage(&cvImage); printf("...done\n"); return 0; }
yarp::os::Things& AsciiImageMonitorObject::update(yarp::os::Things& thing) { ImageOf<PixelRgb>* img = thing.cast_as< ImageOf<PixelRgb> >(); bt.clear(); int col = floor(img->width() / WINDOW_SIZE) + 1; int row = floor(img->height() / WINDOW_SIZE) + 1; char *str = (char*) malloc(2*col*(row+1) + 1); int count = 0; for(int i=0; i<img->height(); i+=WINDOW_SIZE) { //Bottle& row = bt.addList(); for(int j=0; j<img->width(); j+=WINDOW_SIZE) { // calc avg over a subrect unsigned int sum_pix = 0; int pix_count = 0; for(int x=i; x< std::min(img->height(), i+WINDOW_SIZE); x++) { for(int y=j; y<std::min(img->width(), j+WINDOW_SIZE); y++) { sum_pix += img->pixel(y,x).r * 0.21+ img->pixel(y,x).g * 0.72 + img->pixel(y,x).b *0.07; pix_count++; } } sum_pix = sum_pix / pix_count; int index = std::max(int(floor(sum_pix/11))-1, 0); index = index % 11; str[count++] = available[index]; str[count++] = ' '; } str[count++] = '\n'; //printf("count %d\n", count); //sprintf(str, "\n"); } str[count++] = '\0'; //printf("%s\n", str); bt.addInt32(0); bt.addString(str); th.setPortWriter(&bt); free(str); return th; }
void readAndShow(ImageOf<PixelRgb> &reconstructYarp, bool refreshGui) { if (reconstructWidth == -1 || reconstructHeight == -1) { //Sample the subdivision sizes std::cout << "Waiting for input..." << std::endl; ImageOf<PixelRgb>* testImg = ports[0][0]->read(true); reconstructWidth = testImg->width() * ports.size(); reconstructHeight = testImg->height() * ports[0].size(); std::cout << "Input detected with size : " << testImg->width() << "x" << testImg->height() << std::endl; std::cout << "Reconstruct size will: " << reconstructWidth << "x" << reconstructHeight << std::endl; reconstruct = cvCreateImage(cvSize(reconstructWidth, reconstructHeight), 8, 3); } for (unsigned int x = 0; x < ports.size(); x++) { for (unsigned int y = 0; y < ports[x].size(); y++) { ImageOf<PixelRgb>* imgYarp = ports[x][y]->read(true); if (imgYarp) { IplImage* partImg = (IplImage*) imgYarp->getIplImage(); cvCvtColor(partImg, partImg, CV_BGR2RGB); int rectW = reconstructWidth / ports.size(); int rectH = reconstructHeight / ports[0].size(); cvSetImageROI(reconstruct, cvRect(x*rectW, y*rectH, rectW, rectH)); cvCopy(partImg,reconstruct); cvResetImageROI(reconstruct); } } } if (refreshGui) cvShowImage((name + "/Reconstruct").c_str(), reconstruct); reconstructYarp.wrapIplImage(reconstruct); cvWaitKey(1); }
void testCast() { report(0,"testing image casting..."); ImageOf<PixelRgb> img1; img1.resize(128,64); for (int x=0; x<img1.width(); x++) { for (int y=0; y<img1.height(); y++) { PixelRgb& pixel = img1.pixel(x,y); unsigned char v = x%30; pixel.r = v; pixel.g = v; pixel.b = v; } } ImageOf<PixelMono> result; result.copy(img1); checkEqual(img1.width(),result.width(),"width check"); checkEqual(img1.height(),result.height(),"height check"); if (img1.width()==result.width() && img1.height()==result.height()) { int mismatch = 0; for (int x=0; x<img1.width(); x++) { for (int y=0; y<img1.height(); y++) { PixelRgb& pix0 = img1.pixel(x,y); PixelMono& pix1 = result.pixel(x,y); if (pix0.r>pix1+1 || pix0.r<pix1-1) { mismatch++; } } } checkTrue(mismatch==0,"pixel match check"); } }
bool file::write(const ImageOf<PixelFloat>& src, const ConstString& dest) { FILE *fp = fopen(dest.c_str(), "w"); if (fp==NULL) { return false; } for (int i=0; i<src.height(); i++) { for (int j=0; j<src.width(); j++) { fprintf(fp,"%g ", src(j,i)); } fprintf(fp,"\n"); } fclose(fp); return false; }
void testCopy() { report(0,"testing image copying..."); ImageOf<PixelRgb> img1; img1.resize(128,64); for (int x=0; x<img1.width(); x++) { for (int y=0; y<img1.height(); y++) { PixelRgb& pixel = img1.pixel(x,y); pixel.r = x; pixel.g = y; pixel.b = 42; } } ImageOf<PixelRgb> result; result.copy(img1); checkEqual(img1.width(),result.width(),"width check"); checkEqual(img1.height(),result.height(),"height check"); if (img1.width()==result.width() && img1.height()==result.height()) { int mismatch = 0; for (int x=0; x<img1.width(); x++) { for (int y=0; y<img1.height(); y++) { PixelRgb& pix0 = img1.pixel(x,y); PixelRgb& pix1 = result.pixel(x,y); if (pix0.r!=pix1.r || pix0.g!=pix1.g || pix0.b!=pix1.b) { mismatch++; } } } checkTrue(mismatch==0,"pixel match check"); } }
void testCreate() { report(0,"testing image creation..."); FlexImage image; image.setPixelCode(VOCAB_PIXEL_RGB); image.resize(256,128); checkEqual(image.width(),256,"check width"); checkEqual(image.height(),128,"check height"); ImageOf<PixelInt> iint; iint.resize(256,128); long int total = 0; for (int x=0; x<iint.width(); x++) { for (int y=0; y<iint.height(); y++) { int v = (x+y)%65537; iint.pixel(x,y) = v; total += v; } } for (int x2=0; x2<iint.width(); x2++) { for (int y2=0; y2<iint.height(); y2++) { total -= iint.pixel(x2,y2); } } checkEqual(total,0,"pixel assignment check"); }
static bool ImageReadBGR(ImageOf<PixelBgr> &img, const char *filename) { int width, height, color, num; FILE *fp=0; fp = fopen(filename, "rb"); if(fp==0) { fprintf(stderr, "Error opening %s, check if file exists.\n", filename); return false; } if (!ReadHeader(fp, &height, &width, &color)) { fclose (fp); fprintf(stderr, "Error reading header, is file a valid ppm/pgm?\n"); return false; } if (!color) { fclose(fp); fprintf(stderr, "File is grayscale, conversion not yet supported\n"); return false; } ImageOf<PixelRgb> tmpImg; tmpImg.resize(width, height); const int w = tmpImg.width() * img.getPixelSize(); const int h = tmpImg.height(); const int pad = tmpImg.getRowSize(); unsigned char *dst = tmpImg.getRawImage (); num = 0; for (int i = 0; i < h; i++) { num += (int)fread((void *) dst, 1, (size_t) w, fp); dst += pad; } fclose(fp); return img.copy(tmpImg); }
yarp::os::Things& ZfpMonitorObject::update(yarp::os::Things& thing) { if(shouldCompress) { ImageOf<PixelFloat>* img = thing.cast_as< ImageOf<PixelFloat> >(); // .... buffer, len int sizeCompressed; compress((float*)img->getRawImage(), compressed, sizeCompressed, img->width(),img->height(),1e-3); if(!compressed){ yError()<<"ZfpMonitorObject:Failed to compress, exiting..."; return thing; } data.clear(); data.addInt32(img->width()); data.addInt32(img->height()); data.addInt32(sizeCompressed); Value v(compressed, sizeCompressed); data.add(v); th.setPortWriter(&data); } else { Bottle* compressedbt= thing.cast_as<Bottle>(); int width=compressedbt->get(0).asInt32(); int height=compressedbt->get(1).asInt32(); int sizeCompressed=compressedbt->get(2).asInt32(); // cast thing to compressed. decompress((float*)compressedbt->get(3).asBlob(), decompressed, sizeCompressed, width, height,1e-3); if(!decompressed){ yError()<<"ZfpMonitorObject:Failed to decompress, exiting..."; return thing; } imageOut.resize(width,height); memcpy(imageOut.getRawImage(),decompressed,width*height*4); th.setPortWriter(&imageOut); } return th; }
void CRMainEstimation::estimate() { // get depth image int depth_width=320; int depth_height=240; ImageOf<PixelMono16>* img; IplImage* depthCV; depthCV=cvCreateImageHeader(cvSize(depth_width,depth_height),IPL_DEPTH_16U,1); if ((img=(ImageOf<PixelMono16>*)depthPort.read(false))) { unsigned short* pBuff=(unsigned short*)img->getRawImage(); for (int i=0; i<img->width()*img->height(); i++) { //We take only the first 13 bits, that contain the depth value in mm unsigned short realDepth = (pBuff[i]&0xFFF8)>>3; buf[i]=realDepth; } cvSetData(depthCV,buf,depth_width*2); }
void PROCThread::allocate( ImageOf<PixelRgb> &img ) { origsize.width = img.width(); origsize.height = img.height(); srcsize.width = origsize.width + 2 * KERNSIZEMAX; srcsize.height = origsize.height + KERNSIZEMAX; cout << "Received input image dimensions: " << origsize.width << " " << origsize.height << endl; cout << "Will extend these to: " << srcsize.width << " " << srcsize.height << endl; orig = cv::Mat(srcsize.width, srcsize.height, CV_8UC3); csTot32f = cv::Mat( srcsize.height, srcsize.width, CV_32FC1 ); uvimg = cv::Mat( srcsize.height, srcsize.width, CV_32FC1 ); ncsscale = 4; centerSurr = new CentSur( srcsize , ncsscale ); inputExtImage = new ImageOf<PixelRgb>; inputExtImage->resize( srcsize.width, srcsize.height ); img_Y = new ImageOf<PixelMono>; img_Y->resize( srcsize.width, srcsize.height ); img_out_Y = new ImageOf<PixelMono>; img_out_Y->resize( origsize.width, origsize.height ); img_UV = new ImageOf<PixelMono>; img_UV->resize( srcsize.width, srcsize.height ); img_out_UV = new ImageOf<PixelMono>; img_out_UV->resize( origsize.width, origsize.height ); img_V = new ImageOf<PixelMono>; img_V->resize( srcsize.width, srcsize.height ); img_out_V = new ImageOf<PixelMono>; img_out_V->resize( origsize.width, origsize.height ); allocated = true; cout << "done allocating" << endl; }
bool autobiographicalMemory::saveImageFromPort(const string &fullPath, const string &fromPort, BufferedPort<ImageOf<PixelRgb> >* imgPort) { //Extract the incoming images from yarp ImageOf<PixelRgb> *yarpImage = imgPort->read(false); //yDebug() << "imgPort name : " << imgPort->getName(); if (yarpImage != NULL) { // check we actually got something //use opencv to convert the image and save it IplImage *cvImage = cvCreateImage(cvSize(yarpImage->width(), yarpImage->height()), IPL_DEPTH_8U, 3); cvCvtColor((IplImage*)yarpImage->getIplImage(), cvImage, CV_RGB2BGR); cvSaveImage(fullPath.c_str(), cvImage); //yDebug() << "img created : " << fullPath; cvReleaseImage(&cvImage); return true; } else { //yWarning() << "[saveImageFromPort] No image received from: " << imgPort->getName(); return false; } }
int main(int argc, char *argv[]) { Network yarp; // give YARP a factory for creating instances of FakeFrameGrabber DriverCreator *fakey_factory = new DriverCreatorOf<FakeFrameGrabber>("fakey", "grabber", "FakeFrameGrabber"); Drivers::factory().add(fakey_factory); // hand factory over to YARP // use YARP to create and configure an instance of FakeFrameGrabber Property config; if (argc==1) { // no arguments, use a default config.fromString("(device fakey) (w 640) (h 480)"); } else { // expect something like "--device fakey --w 640 --h 480" // or "--device dragonfly" // or "--device test_grabber --period 0.5 --mode [ball]" config.fromCommand(argc,argv); } PolyDriver dd(config); if (!dd.isValid()) { printf("Failed to create and configure a device\n"); return 1; } IFrameGrabberImage *grabberInterface; if (!dd.view(grabberInterface)) { printf("Failed to view device through IFrameGrabberImage interface\n"); return 1; } ImageOf<PixelRgb> img; grabberInterface->getImage(img); printf("Got a %dx%d image\n", img.width(), img.height()); dd.close(); return 0; }