20#ifndef TESSERACT_CCMAIN_OTSUTHR_H_
21#define TESSERACT_CCMAIN_OTSUTHR_H_
38int OtsuThreshold(Pix* src_pix,
int left,
int top,
int width,
int height,
39 int** thresholds,
int** hi_values);
46 int left,
int top,
int width,
int height,
52int OtsuStats(
const int* histogram,
int* H_out,
int* omega0_out);
void HistogramRect(Pix *src_pix, int channel, int left, int top, int width, int height, int *histogram)
int OtsuThreshold(Pix *src_pix, int left, int top, int width, int height, int **thresholds, int **hi_values)
int OtsuStats(const int *histogram, int *H_out, int *omega0_out)