197 icvGetThreshVal_Otsu( const CvHistogram* hist )  in icvGetThreshVal_Otsu()  argument
214     if( !CV_IS_HIST(hist) || CV_IS_SPARSE_HIST(hist) || hist->mat.dims != 1 )  in icvGetThreshVal_Otsu()
218     count = hist->mat.dim[0].size;  in icvGetThreshVal_Otsu()
219     h = (float*)cvPtr1D( hist->bins, 0 );  in icvGetThreshVal_Otsu()
221     if( !CV_HIST_HAS_RANGES(hist) || CV_IS_UNIFORM_HIST(hist) )  in icvGetThreshVal_Otsu()
223         if( CV_HIST_HAS_RANGES(hist) )  in icvGetThreshVal_Otsu()
225             low = hist->thresh[0][0];  in icvGetThreshVal_Otsu()
226             high = hist->thresh[0][1];  in icvGetThreshVal_Otsu()
239         nu_thresh = hist->thresh2[0];  in icvGetThreshVal_Otsu()
299     CvHistogram* hist = 0;  in cvThreshold()  local
343         CV_CALL( hist = cvCreateHist( 1, &hist_size, CV_HIST_ARRAY, &ranges ));  in cvThreshold()
344         cvCalcArrHist( &srcarr0, hist );  in cvThreshold()
345         thresh = cvFloor(icvGetThreshVal_Otsu( hist ));  in cvThreshold()
489     if( hist )  in cvThreshold()
490         cvReleaseHist( &hist );  in cvThreshold()