1 #ifndef KCF_HEADER_6565467831231
2 #define KCF_HEADER_6565467831231
4 #include <opencv2/opencv.hpp>
7 #include "complexmat.hpp"
15 inline void scale(double factor)
23 inline cv::Rect get_rect()
25 return cv::Rect(cx-w/2., cy-h/2., w, h);
35 bool m_use_scale {false};
36 bool m_use_color {false};
38 bool m_use_scale {true};
39 bool m_use_color {true};
42 bool m_use_multithreading {true};
44 bool m_use_multithreading {false};
46 bool m_use_subpixel_localization {true};
47 bool m_use_subgrid_scale {true};
48 bool m_use_cnfeat {true};
49 bool m_use_linearkernel {false};
52 padding ... extra area surrounding the target (1.5)
53 kernel_sigma ... gaussian kernel bandwidth (0.5)
54 lambda ... regularization (1e-4)
55 interp_factor ... linear interpolation factor for adaptation (0.02)
56 output_sigma_factor ... spatial bandwidth (proportional to target) (0.1)
57 cell_size ... hog cell size (4)
59 KCF_Tracker(double padding, double kernel_sigma, double lambda, double interp_factor, double output_sigma_factor, int cell_size);
63 // Init/re-init methods
64 void init(cv::Mat & img, const cv::Rect & bbox);
65 void setTrackerPose(BBox_c & bbox, cv::Mat & img);
66 void updateTrackerPosition(BBox_c & bbox);
68 // frame-to-frame object tracking
69 void track(cv::Mat & img);
76 bool p_resize_image = false;
80 const double p_downscale_factor = 0.5;
82 double p_padding = 1.5;
83 double p_output_sigma_factor = 0.1;
84 double p_output_sigma;
85 double p_kernel_sigma = 0.5; //def = 0.5
86 double p_lambda = 1e-4; //regularization in learning step
87 double p_interp_factor = 0.02; //def = 0.02, linear interpolation factor for adaptation
88 int p_cell_size = 4; //4 for hog (= bin_size)
89 int p_windows_size[2];
91 double p_scale_step = 1.02;
92 double p_current_scale = 1.;
93 double p_min_max_scale[2];
94 std::vector<double> p_scales;
98 ComplexMat p_model_alphaf;
99 ComplexMat p_model_alphaf_num;
100 ComplexMat p_model_alphaf_den;
101 ComplexMat p_model_xf;
104 cv::Mat get_subwindow(const cv::Mat & input, int cx, int cy, int size_x, int size_y);
105 cv::Mat gaussian_shaped_labels(double sigma, int dim1, int dim2);
106 ComplexMat gaussian_correlation(const ComplexMat & xf, const ComplexMat & yf, double sigma, bool auto_correlation = false);
107 cv::Mat circshift(const cv::Mat & patch, int x_rot, int y_rot);
108 cv::Mat cosine_window_function(int dim1, int dim2);
109 std::vector<cv::Mat> get_features(cv::Mat & input_rgb, cv::Mat & input_gray, int cx, int cy, int size_x, int size_y, double scale = 1.);
110 cv::Point2f sub_pixel_peak(cv::Point & max_loc, cv::Mat & response);
111 double sub_grid_scale(std::vector<double> & responses, int index = -1);
115 #endif //KCF_HEADER_6565467831231