3dpcp/.svn/pristine/b8/b82fac3bbec5a16dc34551226615e37c71bf4dba.svn-base

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2012-09-16 12:33:11 +00:00
/*
see README for EMAIL-address
*/
/*======================================================================*/
/* OTSU global thresholding routine */
/* takes a 2D unsigned char array pointer, number of rows, and */
/* number of cols in the array. returns the value of the threshold */
/*======================================================================*/
int
otsu (unsigned char *image, int rows, int cols, int x0, int y0, int dx, int dy, int vvv);
/*======================================================================*/
/* thresholding the image (set threshold to 128+32=160=0xA0) */
/* now we have a fixed thresholdValue good to recognize on gray image */
/* - so lower bits can used for other things (bad design?) */
/*======================================================================*/
int
thresholding (unsigned char *image, int rows, int cols, int x0, int y0, int dx, int dy, int thresholdValue);