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authorStanislaw Halik <sthalik@misaki.pl>2018-01-18 23:45:42 +0100
committerStanislaw Halik <sthalik@misaki.pl>2018-01-18 23:55:02 +0100
commit0657dc14e07ee705a8ab0bba67dfbe04c603db49 (patch)
treee554cf0c59ddf710bb8c2b3bae3c478f5b9ffb66 /tracker-pt/module/point_extractor.h
parent65523fe1304a7e61889abb1e6854192a43c6dcf0 (diff)
tracker/pt: move impl bits away from pt-base
Diffstat (limited to 'tracker-pt/module/point_extractor.h')
-rw-r--r--tracker-pt/module/point_extractor.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/tracker-pt/module/point_extractor.h b/tracker-pt/module/point_extractor.h
new file mode 100644
index 00000000..1b6f55a2
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+++ b/tracker-pt/module/point_extractor.h
@@ -0,0 +1,59 @@
+/* Copyright (c) 2012 Patrick Ruoff
+ * Copyright (c) 2015-2016 Stanislaw Halik <sthalik@misaki.pl>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ */
+
+#pragma once
+
+#include "pt-api.hpp"
+
+#include <vector>
+
+#include <opencv2/core.hpp>
+#include <opencv2/imgproc.hpp>
+
+namespace pt_module {
+
+using namespace types;
+
+struct blob
+{
+ f radius, brightness;
+ vec2 pos;
+ cv::Rect rect;
+
+ blob(f radius, const vec2& pos, f brightness, const cv::Rect& rect);
+};
+
+class PointExtractor final : public pt_point_extractor
+{
+public:
+ // extracts points from frame and draws some processing info into frame, if draw_output is set
+ // dt: time since last call in seconds
+ void extract_points(const pt_frame& frame, pt_preview& preview_frame, std::vector<vec2>& points) override;
+ PointExtractor(const QString& module_name);
+private:
+ static constexpr int max_blobs = 16;
+
+ pt_settings s;
+
+ cv::Mat1b frame_gray, frame_bin, frame_blobs;
+ cv::Mat1f hist;
+ std::vector<blob> blobs;
+ 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 color_to_grayscale(const cv::Mat& frame, cv::Mat1b& output);
+ void threshold_image(const cv::Mat& frame_gray, cv::Mat1b& output);
+};
+
+} // ns impl
+