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@ -17,6 +17,7 @@ class Traite_image { |
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const static int CLOSE_SIZE = 20; |
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const static int ERODE_SIZE = 5; |
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const static int NB_FRAME_DROP = 3; |
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constexpr static double CONNECT_MAX_DIST = 40.0; |
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vector<cv::Mat> prevs; |
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@ -198,12 +199,18 @@ class Traite_image { |
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//largestContourVec.push_back(contours.at(contours.size()-1));
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//make a bounding rectangle around the largest contour then find its centroid
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//this will be the object's final esticv::Mated position.
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cv::Rect objectBoundingRectangle; |
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vector<cv::Rect> nc_rects; // Non connected rectangles
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for(int i=0; i<contours.size();i++) |
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{ |
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objectBoundingRectangle = cv::boundingRect(contours[i]); |
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cv::rectangle(output, objectBoundingRectangle, cv::Scalar(0, 255, 0), 2); |
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nc_rects.push_back(cv::boundingRect(contours[i])); |
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//cv::rectangle(output, objectBoundingRectangle, cv::Scalar(0, 255, 0), 2);
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} |
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vector<cv::Rect> c_rects; // Connected rectangles
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connectBBox(nc_rects, c_rects); |
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for (const auto& rect : c_rects) |
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cv::rectangle(output, rect, cv::Scalar(0, 255, 0), 2); |
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cv::Rect objBRect = cv::boundingRect(contours.at(contours.size()-1)); |
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//cv::rectangle(output, objBRect, cv::Scalar(0, 255, 0), 2);
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papillon::BoundingBox bbox = papillon::BoundingBox(); |
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@ -226,6 +233,54 @@ class Traite_image { |
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//putText(output,"Tracking object at (" + intToString(x)+","+intToString(y)+")",Point(x,y),1,1,cv::Scalar(255,0,0),2);
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} |
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void connectBBox(vector<cv::Rect> nc_rects, vector<cv::Rect> &c_rects) { |
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int* blocs_id = new int[nc_rects.size()]; |
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int val; |
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// We find all the bounding boxes that are close enough to each other
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// And we sort them into teams (blocs_id)
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for (int i = 0; i < nc_rects.size() - 2; ++i) { |
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for (int j = i + 1; j < nc_rects.size() - 1; ++j) { |
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if (cv::norm(rectCenter(nc_rects.at(i)) - rectCenter(nc_rects.at(j))) < CONNECT_MAX_DIST) { |
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val = min(blocs_id[i], blocs_id[j]); |
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blocs_id[j] = blocs_id[i] = val; |
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} else if (blocs_id[i] == blocs_id[j]) { |
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blocs_id[j] = i + 1; |
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} |
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} |
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} |
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int maximum = maxElement(blocs_id,nc_rects.size()) + 1; |
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vector<cv::Rect>* sorted_rects = new vector<cv::Rect>[maximum]; |
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for (int i = 0; i < maximum; ++i) { |
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sorted_rects[i].push_back(nc_rects[i]); |
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} |
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for (int i = 0; i < maximum; ++i) { |
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c_rects.push_back(sorted_rects[i].at(0)); |
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for (const auto& rect : sorted_rects[i]) { |
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c_rects.back() |= rect; |
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} |
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} |
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delete [] sorted_rects; |
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} |
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int maxElement(int Array[], int array_size) |
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{ |
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int max = Array[0]; |
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for (int i = 1; i < array_size; i++) |
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{ |
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if (Array[i] > max) |
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max = Array[i]; |
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} |
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return max; |
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} |
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cv::Point rectCenter(cv::Rect r) { |
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return cv::Point(r.x + r.width/2, r.y + r.height / 2); |
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} |
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inline bool isFlowCorrect(cv::Point2f u) |
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{ |
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return !cvIsNaN(u.x) && !cvIsNaN(u.y) && fabs(u.x) < 1e9 && fabs(u.y) < 1e9; |
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