cvCreateHist      646 modules/imgproc/include/opencv2/imgproc/imgproc_c.h CVAPI(CvHistogram*)  cvCreateHist( int dims, int* sizes, int type,
cvCreateHist     3082 modules/imgproc/src/histogram.cpp         dst = cvCreateHist( dims1, size1, !is_sparse ? CV_HIST_ARRAY : CV_HIST_SPARSE, 0, 0 );
cvCreateHist      292 modules/imgproc/test/test_histograms.cpp         hist[i] = cvCreateHist( cdims, dims, hist_type, r, uniform );