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Merge pull request #1552 from amuhic:master

Implementation of CSR-DCF tracker (#1552)

* Initial commit for CSR-DCF tracker implementation

* Fixes for automatic build

* General code fixes

* Removed unused parameters. Added CSRT to automatic tests.

* Fixed VS build warnings. Fixed a bug with gray sequences.

* Fixed VS build errors for samples file.
This commit is contained in:
Andrej Muhič
2018-02-22 14:38:31 +01:00
committed by Alexander Alekhin
parent 295dce52b1
commit ced5aa7606
11 changed files with 2354 additions and 0 deletions

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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#ifndef OPENCV_TRACKER_CSRT_SEGMENTATION
#define OPENCV_TRACKER_CSRT_SEGMENTATION
namespace cv
{
class Histogram
{
public:
int m_numBinsPerDim;
int m_numDim;
Histogram() : m_numBinsPerDim(0), m_numDim(0) {}
Histogram(int numDimensions, int numBinsPerDimension = 8);
void extractForegroundHistogram(std::vector<cv::Mat> & imgChannels,
cv::Mat weights, bool useMatWeights, int x1, int y1, int x2, int y2);
void extractBackGroundHistogram(std::vector<cv::Mat> & imgChannels,
int x1, int y1, int x2, int y2, int outer_x1, int outer_y1,
int outer_x2, int outer_y2);
cv::Mat backProject(std::vector<cv::Mat> & imgChannels);
std::vector<double> getHistogramVector();
void setHistogramVector(double *vector);
private:
int p_size;
std::vector<double> p_bins;
std::vector<int> p_dimIdCoef;
inline double kernelProfile_Epanechnikov(double x)
{ return (x <= 1) ? (2.0/CV_PI)*(1-x) : 0; }
};
class Segment
{
public:
static std::pair<cv::Mat, cv::Mat> computePosteriors(std::vector<cv::Mat> & imgChannels,
int x1, int y1, int x2, int y2, cv::Mat weights, cv::Mat fgPrior,
cv::Mat bgPrior, const Histogram &fgHistPrior, int numBinsPerChannel = 16);
static std::pair<cv::Mat, cv::Mat> computePosteriors2(std::vector<cv::Mat> & imgChannels,
int x1, int y1, int x2, int y2, double p_b, cv::Mat fgPrior,
cv::Mat bgPrior, Histogram hist_target, Histogram hist_background);
static std::pair<cv::Mat, cv::Mat> computePosteriors2(std::vector<cv::Mat> &imgChannels,
cv::Mat fgPrior, cv::Mat bgPrior, Histogram hist_target, Histogram hist_background);
private:
static std::pair<cv::Mat, cv::Mat> getRegularizedSegmentation(cv::Mat & prob_o,
cv::Mat & prob_b, cv::Mat &prior_o, cv::Mat &prior_b);
inline static double gaussian(double x2, double y2, double std2){
return exp(-(x2 + y2)/(2*std2))/(2*CV_PI*std2);
}
};
}//cv namespace
#endif