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comparison c/feature-based-tracking.cpp @ 164:76610dcf3b8d

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added test code to read trajectories
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 28 Sep 2011 13:27:20 -0400
parents cde87a07eb58
children 50964af05a80
comparison
equal deleted inserted replaced
163:cde87a07eb58 164:76610dcf3b8d
58 BOOST_FOREACH(FeatureTrajectoryPtr f, features) f->write(db, positionsTableName, velocitiesTableName); 58 BOOST_FOREACH(FeatureTrajectoryPtr f, features) f->write(db, positionsTableName, velocitiesTableName);
59 features.clear(); 59 features.clear();
60 } 60 }
61 } 61 }
62 62
63 int main(int argc, char *argv[]) { 63 void trackFeatures(const KLTFeatureTrackingParameters& params) {
64 // BriefDescriptorExtractor brief(32);
65 // const int DESIRED_FTRS = 500;
66 // GridAdaptedFeatureDetector detector(new FastFeatureDetector(10, true), DESIRED_FTRS, 4, 4);
67
68 VideoCapture capture;
69 Mat frame, currentFrameBW, previousFrameBW;
70
71 KLTFeatureTrackingParameters params(argc, argv);
72 cout << params.parameterDescription << endl;
73
74 Mat homography = ::loadMat(params.homographyFilename, " "); 64 Mat homography = ::loadMat(params.homographyFilename, " ");
75 Mat invHomography; 65 Mat invHomography;
76 if (params.display && !homography.empty()) 66 if (params.display && !homography.empty())
77 invHomography = homography.inv(); 67 invHomography = homography.inv();
78 68
102 // for (int i=0; i<params.frame1; i++) 92 // for (int i=0; i<params.frame1; i++)
103 // capture >> frame; 93 // capture >> frame;
104 // } 94 // }
105 // } 95 // }
106 96
97 VideoCapture capture;
107 capture.open(params.videoFilename); 98 capture.open(params.videoFilename);
108 if(capture.isOpened()) { 99 if(capture.isOpened()) {
109 videoSize = Size(capture.get(CV_CAP_PROP_FRAME_WIDTH), capture.get(CV_CAP_PROP_FRAME_HEIGHT)); 100 videoSize = Size(capture.get(CV_CAP_PROP_FRAME_WIDTH), capture.get(CV_CAP_PROP_FRAME_HEIGHT));
110 cout << "Video " << params.videoFilename << 101 cout << "Video " << params.videoFilename <<
111 ": width=" << videoSize.width << 102 ": width=" << videoSize.width <<
144 135
145 FeatureGraph graph(params.mmConnectionDistance, params.mmSegmentationDistance); 136 FeatureGraph graph(params.mmConnectionDistance, params.mmSegmentationDistance);
146 137
147 int key = '?'; 138 int key = '?';
148 unsigned int savedFeatureId=0; 139 unsigned int savedFeatureId=0;
140 Mat frame, currentFrameBW, previousFrameBW;
149 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++) {
150 capture >> frame; 142 capture >> frame;
151 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;
152 int emptyFrameNum = 0; 144 int emptyFrameNum = 0;
153 while (frame.empty()) { 145 while (frame.empty()) {
241 //currDesc.copyTo(prevDesc); 233 //currDesc.copyTo(prevDesc);
242 } 234 }
243 235
244 trajectoryDB->endTransaction(); 236 trajectoryDB->endTransaction();
245 trajectoryDB->disconnect(); 237 trajectoryDB->disconnect();
238 }
239
240 int main(int argc, char *argv[]) {
241 // BriefDescriptorExtractor brief(32);
242 // const int DESIRED_FTRS = 500;
243 // GridAdaptedFeatureDetector detector(new FastFeatureDetector(10, true), DESIRED_FTRS, 4, 4);
244
245 KLTFeatureTrackingParameters params(argc, argv);
246 cout << params.parameterDescription << endl;
247
248 if (params.trackFeatures)
249 trackFeatures(params);
250 else if (params.groupFeatures) {
251 cout << "group" << endl;
252
253 boost::shared_ptr<TrajectoryDBAccessList<Point2f> > trajectoryDB = boost::shared_ptr<TrajectoryDBAccessList<Point2f> >(new TrajectoryDBAccessList<Point2f>());
254 //TODO write generic methods for blob and list versions TrajectoryDBAccess<Point2f>* trajectoryDB = new TrajectoryDBAccessBlob<Point2f>();
255 bool success = trajectoryDB->connect(params.databaseFilename.c_str());
256 vector<boost::shared_ptr<Trajectory<Point2f> > > trajectories;
257 cout << trajectories.size() << endl;
258 success = trajectoryDB->read(trajectories, "positions");
259 cout << trajectories.size() << endl;
260 cout << trajectories[0]->size() << endl;
261 //cout << trajectories[0]->getPoint(0) << endl;
262 trajectoryDB->endTransaction();
263 trajectoryDB->disconnect();
264 }
265
246 return 0; 266 return 0;
247 } 267 }
248 268
249
250 /* ------------------ DOCUMENTATION ------------------ */ 269 /* ------------------ DOCUMENTATION ------------------ */
251 270
252 271
253 /*! \mainpage 272 /*! \mainpage
254 273