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comparison c/feature-based-tracking.cpp @ 145:7bf8084e720f

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removed bug with loadMat and added diagnosis code for empty frames
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Mon, 29 Aug 2011 19:20:37 -0400
parents b32947b002da
children 7150427c665e
comparison
equal deleted inserted replaced
144:b32947b002da 145:7bf8084e720f
102 // } 102 // }
103 103
104 capture.open(params.videoFilename); 104 capture.open(params.videoFilename);
105 if(capture.isOpened()) { 105 if(capture.isOpened()) {
106 videoSize = Size(capture.get(CV_CAP_PROP_FRAME_WIDTH), capture.get(CV_CAP_PROP_FRAME_HEIGHT)); 106 videoSize = Size(capture.get(CV_CAP_PROP_FRAME_WIDTH), capture.get(CV_CAP_PROP_FRAME_HEIGHT));
107 cout << "Video " << argv[1] << 107 cout << "Video " << params.videoFilename <<
108 ": width=" << videoSize.width << 108 ": width=" << videoSize.width <<
109 ", height=" << videoSize.height << 109 ", height=" << videoSize.height <<
110 ", nframes=" << capture.get(CV_CAP_PROP_FRAME_COUNT) << endl; 110 ", nframes=" << capture.get(CV_CAP_PROP_FRAME_COUNT) << endl;
111 } else { 111 } else {
112 cout << "Video filename " << params.videoFilename << " could not be opened. Exiting." << endl; 112 cout << "Video filename " << params.videoFilename << " could not be opened. Exiting." << endl;
139 int key = '?'; 139 int key = '?';
140 unsigned int savedFeatureId=0; 140 unsigned int savedFeatureId=0;
141 for (int frameNum = params.frame1; ((frameNum-params.frame1 < params.nFrames) || (params.nFrames < 0)) && !::interruptionKey(key); frameNum++) { 141 for (int frameNum = params.frame1; ((frameNum-params.frame1 < params.nFrames) || (params.nFrames < 0)) && !::interruptionKey(key); frameNum++) {
142 capture >> frame; 142 capture >> frame;
143 cout << frameNum << " " << capture.get(CV_CAP_PROP_POS_FRAMES) << " " << prevPts.size() << endl; 143 cout << frameNum << " " << capture.get(CV_CAP_PROP_POS_FRAMES) << " " << prevPts.size() << endl;
144 while (frame.empty()) 144 int emptyFrameNum = 0;
145 while (frame.empty()) {
146 cerr << "empty frame " << emptyFrameNum << " " << capture.get(CV_CAP_PROP_POS_FRAMES)<< endl;
145 capture >> frame;//break; 147 capture >> frame;//break;
148 emptyFrameNum++;
149 if (emptyFrameNum>=3000)
150 exit(0);
151 }
146 152
147 cvtColor(frame, currentFrameBW, CV_RGB2GRAY); 153 cvtColor(frame, currentFrameBW, CV_RGB2GRAY);
148 154
149 // "normal" feature detectors: detect features here 155 // "normal" feature detectors: detect features here
150 // detector.detect(currentFrameBW, currKpts); // see video_homography c++ sample 156 // detector.detect(currentFrameBW, currKpts); // see video_homography c++ sample