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authorStanislaw Halik <sthalik@misaki.pl>2016-09-21 19:56:50 +0200
committerStanislaw Halik <sthalik@misaki.pl>2016-09-21 20:34:49 +0200
commitcc74649f357786be97c56573ae7b6339d0cde377 (patch)
treeaa89e0713bea0f8083972b5d6f55b060d4bb1183
parent0cbf400004e94b626195b4938a0ccb942cf45b80 (diff)
tracker/pt: fix area/radius confusion in extractor
-rw-r--r--tracker-pt/point_extractor.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/tracker-pt/point_extractor.cpp b/tracker-pt/point_extractor.cpp
index 26bbe2f3..274c0ccb 100644
--- a/tracker-pt/point_extractor.cpp
+++ b/tracker-pt/point_extractor.cpp
@@ -64,15 +64,15 @@ void PointExtractor::extract_points(cv::Mat& frame, std::vector<vec2>& points)
const int sz = hist.cols * hist.rows;
int thres = 255;
int cnt = 0;
- constexpr double min_radius = 4;
+ constexpr double min_radius = 2.5;
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);
+ const int area = int(round(3 * M_PI * (min_radius + radius)*(min_radius+radius)));
auto ptr = reinterpret_cast<const float*>(hist.ptr(0));
for (int i = sz-1; i > 0; i--)
{
cnt += ptr[i];
- if (cnt >= pixels_to_include)
+ if (cnt >= area)
{
thres = i;
break;