1. Multi-tracker classes (multiTracker.cpp) 2. Multi-tracker example (multiTracker_test.cpp) 3. Fixed a rare bug (OpenCL runtime error)pull/331/head
Vladimir
9 years ago
parent
c2525aeaee
commit
cac774cbfc
4 changed files with 301 additions and 1 deletions
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// For Open Source Computer Vision Library
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//
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//M*/
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#include <opencv2/core/utility.hpp> |
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#include <opencv2/tracking.hpp> |
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#include <opencv2/videoio.hpp> |
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#include <opencv2/highgui.hpp> |
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#include <iostream> |
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using namespace std; |
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using namespace cv; |
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#define NUM_TEST_FRAMES 100 |
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#define TEST_VIDEO_INDEX 7 //TLD Dataset Video Index from 1-10
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//#define RECORD_VIDEO_FLG
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static Mat image; |
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static bool paused; |
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static bool selectObject = false; |
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static bool startSelection = false; |
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Rect2d boundingBox; |
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static void onMouse(int event, int x, int y, int, void*) |
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{ |
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if (!selectObject) |
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{ |
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switch (event) |
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{ |
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case EVENT_LBUTTONDOWN: |
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//set origin of the bounding box
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startSelection = true; |
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boundingBox.x = x; |
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boundingBox.y = y; |
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boundingBox.width = boundingBox.height = 0; |
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break; |
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case EVENT_LBUTTONUP: |
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//sei with and height of the bounding box
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boundingBox.width = std::abs(x - boundingBox.x); |
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boundingBox.height = std::abs(y - boundingBox.y); |
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paused = false; |
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selectObject = true; |
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break; |
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case EVENT_MOUSEMOVE: |
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if (startSelection && !selectObject) |
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{ |
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//draw the bounding box
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Mat currentFrame; |
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image.copyTo(currentFrame); |
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rectangle(currentFrame, Point((int)boundingBox.x, (int)boundingBox.y), Point(x, y), Scalar(255, 0, 0), 2, 1); |
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imshow("Tracking API", currentFrame); |
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} |
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break; |
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} |
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} |
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} |
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int main() |
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{ |
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//
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// "MIL", "BOOSTING", "MEDIANFLOW", "TLD"
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//
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char* tracker_algorithm_name = "TLD"; |
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Mat frame; |
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paused = false; |
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namedWindow("Tracking API", 0); |
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setMouseCallback("Tracking API", onMouse, 0); |
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MultiTrackerTLD mt; |
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//Get the first frame
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////Open the capture
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// VideoCapture cap(0);
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// if( !cap.isOpened() )
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// {
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// cout << "Video stream error";
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// return;
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// }
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//cap >> frame;
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//From TLD dataset
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selectObject = true; |
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Rect2d boundingBox1 = tld::tld_InitDataset(TEST_VIDEO_INDEX, "D:/opencv/TLD_dataset"); |
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Rect2d boundingBox2; |
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boundingBox2.x = 280; |
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boundingBox2.y = 60; |
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boundingBox2.width = 40; |
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boundingBox2.height = 60; |
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frame = tld::tld_getNextDatasetFrame(); |
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frame.copyTo(image); |
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// Setup output video
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#ifdef RECORD_VIDEO_FLG |
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String outputFilename = "test.avi"; |
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VideoWriter outputVideo; |
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outputVideo.open(outputFilename, -1, 30, Size(image.cols, image.rows)); |
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if (!outputVideo.isOpened()) |
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{ |
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std::cout << "!!! Output video could not be opened" << std::endl; |
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getchar(); |
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return; |
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} |
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#endif |
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rectangle(image, boundingBox, Scalar(255, 0, 0), 2, 1); |
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imshow("Tracking API", image); |
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bool initialized = false; |
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int frameCounter = 0; |
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//Time measurment
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int64 e3 = getTickCount(); |
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for (;;) |
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{ |
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//Time measurment
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int64 e1 = getTickCount(); |
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//Frame num
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frameCounter++; |
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if (frameCounter == NUM_TEST_FRAMES) break; |
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char c = (char)waitKey(2); |
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if (c == 'q' || c == 27) |
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break; |
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if (c == 'p') |
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paused = !paused; |
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if (!paused) |
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{ |
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//cap >> frame;
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frame = tld::tld_getNextDatasetFrame(); |
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if (frame.empty()) |
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{ |
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break; |
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} |
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frame.copyTo(image); |
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if (selectObject) |
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{ |
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if (!initialized) |
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{ |
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//initializes the tracker
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mt.addTarget(frame, boundingBox1, tracker_algorithm_name); |
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rectangle(image, boundingBox1, mt.colors[0], 2, 1); |
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mt.addTarget(frame, boundingBox2, tracker_algorithm_name); |
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rectangle(image, boundingBox2, mt.colors[1], 2, 1); |
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initialized = true; |
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} |
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else |
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{ |
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//updates the tracker
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if (mt.update(frame)) |
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for (int i=0; i < mt.targetNum; i++) |
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rectangle(image, mt.boundingBoxes[i], mt.colors[i], 2, 1); |
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} |
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} |
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imshow("Tracking API", image); |
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#ifdef RECORD_VIDEO_FLG |
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outputVideo << image; |
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#endif |
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//Time measurment
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int64 e2 = getTickCount(); |
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double t1 = (e2 - e1) / getTickFrequency(); |
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cout << frameCounter << "\tframe : " << t1 * 1000.0 << "ms" << endl; |
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waitKey(0); |
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} |
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} |
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//Time measurment
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int64 e4 = getTickCount(); |
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double t2 = (e4 - e3) / getTickFrequency(); |
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cout << "Average Time for Frame: " << t2 * 1000.0 / frameCounter << "ms" << endl; |
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cout << "Average FPS: " << 1.0 / t2*frameCounter << endl; |
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waitKey(0); |
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return 0; |
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} |
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@ -0,0 +1,49 @@ |
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#include <precomp.hpp> |
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namespace cv |
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{ |
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//Multitracker
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bool MultiTracker::addTarget(const Mat& image, const Rect2d& boundingBox, char* tracker_algorithm_name) |
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{ |
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Ptr<Tracker> tracker = Tracker::create(tracker_algorithm_name); |
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if (tracker == NULL) |
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return false; |
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if (!tracker->init(image, boundingBox)) |
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return false; |
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//Add BB of target
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boundingBoxes.push_back(boundingBox); |
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//Add Tracker to stack
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trackers.push_back(tracker); |
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//Assign a random color to target
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colors.push_back(Scalar(rand() % 256, rand() % 256, rand() % 256)); |
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//Target counter
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targetNum++; |
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return true; |
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} |
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bool MultiTracker::update(const Mat& image) |
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{ |
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for (int i = 0; i < trackers.size(); i++) |
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if (!trackers[i]->update(image, boundingBoxes[i])) |
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return false; |
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return true; |
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} |
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//Multitracker TLD
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/*Optimized update method for TLD Multitracker */ |
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bool MultiTrackerTLD::update(const Mat& image) |
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{ |
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for (int i = 0; i < trackers.size(); i++) |
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if (!trackers[i]->update(image, boundingBoxes[i])) |
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return false; |
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return true; |
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} |
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} |
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