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IM_MPERCENT

IM_MPERCENT

Section: C Library Functions (3) Updated: 14 May 1991
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NAME

im_mpercent - find threshold corresponding to a percentage of an image values  

SYNOPSIS

#include <vips/vips.h>

int im_mpercent( in, percent, thresh )
IMAGE *in;
int percent;
int *thresh;

 

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.  

RETURN VALUE

The function returns 0 on success and -1 on error.  

SEE ALSO

im_conv(3), im_zerox(3).  

COPYRIGHT

N. Dessipris  

AUTHOR

N. Dessipris - 14/05/1991


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
SEE ALSO
COPYRIGHT
AUTHOR

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