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/* Copyright (c) 2012 Patrick Ruoff
*
* 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.
*/
#ifndef POINTEXTRACTOR_H
#define POINTEXTRACTOR_H
#include <opencv2/core/core.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include "ftnoir_tracker_pt_settings.h"
#include <QMutex>
class PointExtractor
{
public:
// extracts points from frame and draws some processing info into frame, if draw_output is set
// dt: time since last call in seconds
// WARNING: returned reference is valid as long as object
const std::vector<cv::Vec2f> &extract_points(cv::Mat &frame);
const std::vector<cv::Vec2f>& get_points() { QMutexLocker l(&mtx); return points; }
PointExtractor();
settings_pt s;
private:
enum { hist_c = 8 };
std::vector<cv::Vec2f> points;
QMutex mtx;
cv::Mat frame_gray;
cv::Mat frame_bin;
cv::Mat hist;
};
#endif //POINTEXTRACTOR_H
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