diff options
| -rw-r--r-- | ftnoir_tracker_pt/point_extractor.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/ftnoir_tracker_pt/point_extractor.cpp b/ftnoir_tracker_pt/point_extractor.cpp index 71023a38..dd75852c 100644 --- a/ftnoir_tracker_pt/point_extractor.cpp +++ b/ftnoir_tracker_pt/point_extractor.cpp @@ -72,20 +72,19 @@ std::vector<Vec2f> PointExtractor::extract_points(Mat& frame) struct simple_blob { - double radius; + double radius_2; cv::Vec2d pos; double confid; bool taken; double area; - simple_blob(double radius, const cv::Vec2d& pos, double confid, double area) : radius(radius), pos(pos), confid(confid), taken(false), area(area) + simple_blob(double radius, const cv::Vec2d& pos, double confid, double area) : radius_2(radius*radius), pos(pos), confid(confid), taken(false), area(area) { //qDebug() << "radius" << radius << "pos" << pos[0] << pos[1] << "confid" << confid; } bool inside(const simple_blob& other) { cv::Vec2d tmp = pos - other.pos; - double p = sqrt(1e-4 + tmp.dot(tmp)); - return p < radius; + return tmp.dot(tmp) < radius_2; } static std::vector<blob> merge(std::vector<simple_blob>& blobs) { |