Video Processing Framework
D:/J_PROGRAMI/SPLINEPROJECT/CODE2/Trac_CamShift/camshift.h
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00041 
00042 #ifndef __CVAUX_HPP__
00043 #define __CVAUX_HPP__
00044 
00045 #ifdef __cplusplus
00046 
00047 /****************************************************************************************\
00048 *                                      Image class                                       *
00049 \****************************************************************************************/
00050 
00051 class CV_EXPORTS CvCamShiftTracker
00052 {
00053 public:
00054     
00055     CvCamShiftTracker();
00056     virtual ~CvCamShiftTracker();
00057     
00058     /**** Characteristics of the object that are calculated by track_object method *****/
00059     float   get_orientation() const // orientation of the object in degrees 
00060     { return m_box.angle; }
00061     float   get_length() const // the larger linear size of the object
00062     { return m_box.size.height; }
00063     float   get_width() const // the smaller linear size of the object
00064     { return m_box.size.width; }
00065     CvPoint2D32f get_center() const // center of the object
00066     { return m_box.center; }
00067     CvRect get_window() const // bounding rectangle for the object
00068     { return m_comp.rect; }
00069     
00070     /*********************** Tracking parameters ************************/
00071     int     get_threshold() const // thresholding value that applied to back project
00072     { return m_threshold; }
00073 
00074     int     get_hist_dims( int* dims = 0 ) const // returns number of histogram dimensions and sets
00075     { return m_hist ? cvGetDims( m_hist->bins, dims ) : 0; } 
00076     
00077     int     get_min_ch_val( int channel ) const // get the minimum allowed value of the specified channel
00078     { return m_min_ch_val[channel]; }
00079     
00080     int     get_max_ch_val( int channel ) const // get the maximum allowed value of the specified channel
00081     { return m_max_ch_val[channel]; }
00082     
00083     // set initial object rectangle (must be called before initial calculation of the histogram)
00084     bool    set_window( CvRect window)
00085     { m_comp.rect = window; return true; }
00086     
00087     bool    set_threshold( int threshold ) // threshold applied to the histogram bins
00088     { m_threshold = threshold; return true; }
00089 
00090     bool    set_hist_bin_range( int dim, int min_val, int max_val );
00091 
00092     bool    set_hist_dims( int c_dims, int* dims );// set the histogram parameters
00093     
00094     bool    set_min_ch_val( int channel, int val ) // set the minimum allowed value of the specified channel
00095     { m_min_ch_val[channel] = val; return true; }
00096     bool    set_max_ch_val( int channel, int val ) // set the maximum allowed value of the specified channel
00097     { m_max_ch_val[channel] = val; return true; }
00098 
00099     /************************ The processing methods *********************************/
00100     // update object position
00101     virtual bool  track_object( const IplImage* cur_frame );
00102     
00103     // update object histogram
00104     virtual bool  update_histogram( const IplImage* cur_frame );
00105 
00106     // reset histogram
00107     virtual void  reset_histogram();
00108 
00109     /************************ Retrieving internal data *******************************/
00110     // get back project image
00111     virtual IplImage* get_back_project()
00112     { return m_back_project; }
00113 
00114     float query( int* bin ) const
00115     { return m_hist ? (float)cvGetRealND(m_hist->bins, bin) : 0.f; }
00116     
00117 protected:
00118 
00119     // internal method for color conversion: fills m_color_planes group
00120     virtual void color_transform( const IplImage* img ); 
00121 
00122     CvHistogram* m_hist;
00123 
00124     CvBox2D    m_box;
00125     CvConnectedComp m_comp;
00126 
00127     float      m_hist_ranges_data[CV_MAX_DIM][2];
00128     float*     m_hist_ranges[CV_MAX_DIM];
00129 
00130     int        m_min_ch_val[CV_MAX_DIM];
00131     int        m_max_ch_val[CV_MAX_DIM];
00132     int        m_threshold;
00133 
00134     IplImage*  m_color_planes[CV_MAX_DIM];
00135     IplImage*  m_back_project;
00136     IplImage*  m_temp;
00137     IplImage*  m_mask;
00138 };
00139 
00140 #endif /* __cplusplus */
00141 
00142 #endif /* __CVAUX_HPP__ */
00143 
00144 /* End of file. */
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