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#ifndef __FEATURE_DETECTOR_H_
#define __FEATURE_DETECTOR_H_
#include "cv.h"
#include "feature.h"
class ShiTomashiFeatureDetector : public FeatureDetector{
public:
ShiTomashiFeatureDetector(int max_corners = 100, double quality_level = 0.1, double min_distance = 5,
int block_size = 3, bool use_harris_detector = false, double k = 0.04) :
max_corners_(max_corners), quality_level_(quality_level), min_distance_(min_distance),
block_size_(block_size), use_harris_detector_(use_harris_detector), k_(k){
}
virtual void detect(const cv::Mat& image,
std::vector<cv::KeyPoint>& keypoints,
const cv::Mat& mask = cv::Mat() ){
vector<Point2f> corners;
cv::goodFeaturesToTrack(image, corners, max_corners_, quality_level_, min_distance_, mask, block_size_, use_harris_detector_, k_ );
// convert these Point2f into cv::KeyPoint
keypoints.clear();
keypoints.resize(corners.size());
for (int i=0; i<(int)keypoints.size(); ++i){
keypoints[i] = cv::KeyPoint(corners[i], 1);
}
}
int max_corners_;
double quality_level_;
double min_distance_;
int block_size_;
bool use_harris_detector_;
double k_;
};
#endif
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