thresholding       23 lib/gocr/otsu.h thresholding (unsigned char *image, int rows, int cols, int x0, int y0, int dx, int dy, int thresholdValue);
thresholding     2675 lib/gocr/pgm2asc.c   job->cfg.cs=thresholding( pp->p,pp->y,pp->x,0,0,pp->x,pp->y, job->cfg.cs );