Allow odd number of scales and angles

Odd numbers are probably only useful for debugging.

diff --git a/src/kcf.cpp b/src/kcf.cpp
index b6ead00298fdd371d8e40b6ba841d3507a9f0f27..57477bc19bce6a7ce50ea2cb23243eb3f10a107a 100644 (file)
--- a/src/kcf.cpp
+++ b/src/kcf.cpp
@@ -177,11 +177,11 @@ void KCF_Tracker::init(cv::Mat &img, const cv::Rect &bbox, int fit_size_x, int f
     feature_size = fit_size / p_cell_size;
 
     p_scales.clear();
-    for (int i = -int(p_num_scales) / 2; i <= int(p_num_scales) / 2; ++i)
+    for (int i = -int(p_num_scales - 1) / 2; i <= int(p_num_scales) / 2; ++i)
         p_scales.push_back(std::pow(p_scale_step, i));
 
     p_angles.clear();
-    for (int i = -int(p_num_angles) / 2; i <= int(p_num_angles) / 2; ++i)
+    for (int i = -int(p_num_angles - 1) / 2; i <= int(p_num_angles) / 2; ++i)
         p_angles.push_back(i * p_angle_step);
 
 #ifdef CUFFT