61     m_hist = 0;  in CvCamShiftTracker()
72     cvReleaseHist( &m_hist );  in ~CvCamShiftTracker()
91     assert( image->nChannels == 3 && m_hist != 0 );  in color_transform()
163         m_hist == 0 )  in update_histogram()
171     dims = cvGetDims( m_hist->bins );  in update_histogram()
176     cvSetHistBinRanges( m_hist, m_hist_ranges, 1 );  in update_histogram()
177     cvCalcHist( m_color_planes, m_hist, 0, m_mask );  in update_histogram()
186     cvGetMinMaxHistValue( m_hist, 0, &max_val );  in update_histogram()
187     cvScale( m_hist->bins, m_hist->bins, max_val ? 255. / max_val : 0. );  in update_histogram()
196     if( m_hist )  in reset_histogram()
197         cvClearHist( m_hist );  in reset_histogram()
214         m_hist == 0 )  in track_object()
221     cvCalcArrBackProject( u.arr, m_back_project, m_hist );  in track_object()
252     if( m_hist )  in set_hist_dims()
255         int c_dims2 = cvGetDims( m_hist->bins, dims2 );  in set_hist_dims()
260         cvReleaseHist( &m_hist );  in set_hist_dims()
263     m_hist = cvCreateHist( c_dims, dims, CV_HIST_ARRAY, 0, 0 );  in set_hist_dims()