¡@
c++ Programming Glossary: point2fOpenCv 2.3 C - How to isolate object inside image http://stackoverflow.com/questions/10315551/opencv-2-3-c-how-to-isolate-object-inside-image Draw bounding box in the original image debug purposes cv Point2f vertices 4 box.points vertices for int i 0 i 4 i cv line img..
OpenCV C++/Obj-C: Advanced square detection http://stackoverflow.com/questions/10533233/opencv-c-obj-c-advanced-square-detection #include vector using namespace cv using namespace std Point2f computeIntersect Vec2f line1 Vec2f line2 vector Point2f lineToPointPair.. Point2f computeIntersect Vec2f line1 Vec2f line2 vector Point2f lineToPointPair Vec2f line bool acceptLinePair Vec2f line1 Vec2f.. compute the intersection from the lines detected... vector Point2f intersections for size_t i 0 i lines.size i for size_t j 0..
Executing cv::warpPerspective for a fake deskewing on a set of cv::Point http://stackoverflow.com/questions/7838487/executing-cvwarpperspective-for-a-fake-deskewing-on-a-set-of-cvpoint define a RotatedRect which in turn is used to assemble cv Point2f src_vertices 4 one of the variables required by cv getPerspectiveTransform.. order them as topLeft topRight bottomRight bottomLeft cv Point2f src_vertices 4 src_vertices 0 not_a_rect_shape 0 src_vertices.. 2 not_a_rect_shape 2 src_vertices 3 not_a_rect_shape 3 Point2f dst_vertices 4 dst_vertices 0 Point 0 0 dst_vertices 1 Point..
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection http://stackoverflow.com/questions/8667818/opencv-c-obj-c-detecting-a-sheet-of-paper-square-detection cv RotatedRect minRect minAreaRect cv Mat squares i cv Point2f rect_points 4 minRect.points rect_points for int j 0 j 4 j ..
|