| .TH IM_MPERCENT 3 "14 May 1991" |
| .SH NAME |
| im_mpercent \- find threshold corresponding to a percentage of an image values |
| .SH SYNOPSIS |
| #include <vips/vips.h> |
| |
| int im_mpercent( in, percent, thresh ) |
| .br |
| IMAGE *in; |
| .br |
| int percent; |
| .br |
| int *thresh; |
| |
| .SH DESCRIPTION |
| im_mpercent() returns (through the thresh parameter) the threshold above which |
| there are percent values of the input image. If for example percent=.1, the |
| number of pels of the input image with values greater than the returned int |
| will correspond to 10% of all pels of the image. |
| |
| The function is applied on one band FMTUCHAR images only. It can be |
| used in order to threshold the scaled result of a filtering operation. |
| .SH RETURN VALUE |
| The function returns 0 on success and -1 on error. |
| .SH SEE ALSO |
| im_conv(3), im_zerox(3). |
| .SH COPYRIGHT |
| N. Dessipris |
| .SH AUTHOR |
| N. Dessipris \- 14/05/1991 |
