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49 /****************************************************************************************\
51 \****************************************************************************************/
53 struct CV_DLL_ENTRY CvImage : public IplImage
56 CvImage( CvSize size, int depth, int channels );
60 const uchar* image_data() const;
62 CvSize image_roi_size() const;
63 int byte_per_pixel() const;
65 CvImage& operator = ( const CvImage& another )
66 { return copy( another ); }
68 CvImage& copy( const CvImage& another );
71 class CV_DLL_ENTRY CvCamShiftTracker
76 virtual ~CvCamShiftTracker();
78 /**** Characteristics of the object that are calculated by track_object method *****/
79 float get_orientation() const // orientation of the object in degrees
80 { return m_box.angle; }
81 float get_length() const // the larger linear size of the object
82 { return m_box.size.width; }
83 float get_width() const // the smaller linear size of the object
84 { return m_box.size.height; }
85 CvPoint2D32f get_center() const // center of the object
86 { return m_box.center; }
87 CvRect get_window() const // bounding rectangle for the object
88 { return m_comp.rect; }
90 /*********************** Tracking parameters ************************/
91 int get_threshold() const // thresholding value that applied to back project
92 { return m_threshold; }
94 int get_hist_dims( int* dims = 0 ) const // returns number of histogram dimensions and sets
95 { return m_hist ? cvGetDims( m_hist->bins, dims ) : 0; }
97 int get_min_ch_val( int channel ) const // get the minimum allowed value of the specified channel
98 { return m_min_ch_val[channel]; }
100 int get_max_ch_val( int channel ) const // get the maximum allowed value of the specified channel
101 { return m_max_ch_val[channel]; }
103 // set initial object rectangle (must be called before initial calculation of the histogram)
104 bool set_window( CvRect window)
105 { m_comp.rect = window; return true; }
107 bool set_threshold( int threshold ) // threshold applied to the histogram bins
108 { m_threshold = threshold; return true; }
110 bool set_hist_bin_range( int dim, int min_val, int max_val );
112 bool set_hist_dims( int c_dims, int* dims );// set the histogram parameters
114 bool set_min_ch_val( int channel, int val ) // set the minimum allowed value of the specified channel
115 { m_min_ch_val[channel] = val; return true; }
116 bool set_max_ch_val( int channel, int val ) // set the maximum allowed value of the specified channel
117 { m_max_ch_val[channel] = val; return true; }
119 /************************ The processing methods *********************************/
120 // update object position
121 virtual bool track_object( const IplImage* cur_frame );
123 // update object histogram
124 virtual bool update_histogram( const IplImage* cur_frame );
127 virtual void reset_histogram();
129 /************************ Retrieving internal data *******************************/
130 // get back project image
131 virtual IplImage* get_back_project()
132 { return m_back_project; }
134 float query( int* bin ) const
135 { return m_hist ? cvQueryHistValue_nD( m_hist, bin ) : 0.f; }
139 // internal method for color conversion: fills m_color_planes group
140 virtual void color_transform( const IplImage* img );
145 CvConnectedComp m_comp;
147 float m_hist_ranges_data[CV_MAX_DIM][2];
148 float* m_hist_ranges[CV_MAX_DIM];
150 int m_min_ch_val[CV_MAX_DIM];
151 int m_max_ch_val[CV_MAX_DIM];
154 IplImage* m_color_planes[CV_MAX_DIM];
155 IplImage* m_back_project;
160 #endif /* __cplusplus */
161 #endif /* _CV_HPP_ */