tracker/pt: use cv::Mat::reshape() to avoid memcpy

1 files changed, 5 insertions, 9 deletions

diff --git a/tracker-pt/point_extractor.h b/tracker-pt/point_extractor.h
index b085c602..d31304b9 100644
--- a/tracker-pt/point_extractor.h
+++ b/tracker-pt/point_extractor.h
@@ -44,23 +44,19 @@ public:
 private:
     static constexpr int max_blobs = 16;
 
-    cv::Mat frame_gray;
-    cv::Mat frame_bin;
-    cv::Mat hist;
-    cv::Mat frame_blobs;
+    cv::Mat1b frame_gray, frame_bin, frame_blobs;
+    cv::Mat1f hist;
     std::vector<blob> blobs;
-    cv::Mat ch[3], ch_float[4];
+    cv::Mat1b ch[3];
 
     void ensure_channel_buffers(const cv::Mat& orig_frame);
     void ensure_buffers(const cv::Mat& frame);
 
     void extract_single_channel(const cv::Mat& orig_frame, int idx, cv::Mat& dest);
     void extract_channels(const cv::Mat& orig_frame, const int* order, int order_npairs);
-    void extract_all_channels(const cv::Mat& orig_frame);
-    void channels_to_float(unsigned num_channels);
 
-    void color_to_grayscale(const cv::Mat& frame, cv::Mat& output);
-    void threshold_image(const cv::Mat& frame_gray, cv::Mat& output);
+    void color_to_grayscale(const cv::Mat& frame, cv::Mat1b& output);
+    void threshold_image(const cv::Mat& frame_gray, cv::Mat1b& output);
 };
 
 } // ns impl