diff options
Diffstat (limited to 'tracker-pt/point_extractor.cpp')
| -rw-r--r-- | tracker-pt/point_extractor.cpp | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/tracker-pt/point_extractor.cpp b/tracker-pt/point_extractor.cpp index c8ed261e..9b1a5e87 100644 --- a/tracker-pt/point_extractor.cpp +++ b/tracker-pt/point_extractor.cpp @@ -26,6 +26,11 @@ PointExtractor::PointExtractor() void PointExtractor::extract_points(cv::Mat& frame, std::vector<PointExtractor::vec2>& points) { + using std::sqrt; + using std::max; + using std::round; + using std::sort; + const int W = frame.cols; const int H = frame.rows; @@ -57,12 +62,12 @@ void PointExtractor::extract_points(cv::Mat& frame, std::vector<PointExtractor:: std::vector<float> { 0, 256 }, false); const int sz = hist.cols * hist.rows; - int thres = s.threshold; + int thres = 255; int cnt = 0; - constexpr double min_pixels = 2 * 2 * 3 * pi; - constexpr double max_pixels = 7 * 7 * 3 * pi; - constexpr double range_pixels = max_pixels - min_pixels; - const int pixels_to_include = std::max<int>(0, int(min_pixels + range_pixels * s.threshold / 256)); + constexpr double min_radius = 4; + constexpr double max_radius = 15; + const double radius = max(0., (max_radius-min_radius) * s.threshold / 256); + const int pixels_to_include = int((min_radius + radius)*(min_radius+radius) * 3); auto ptr = reinterpret_cast<const float*>(hist.ptr(0)); for (int i = sz-1; i > 0; i--) { @@ -74,7 +79,7 @@ void PointExtractor::extract_points(cv::Mat& frame, std::vector<PointExtractor:: } } //val *= 240./256.; - //qDebug() << "val" << val; + //qDebug() << "thres" << thres; cv::threshold(frame_gray, frame_bin, thres, 255, CV_THRESH_BINARY); } |