mlib_ImageMoment2(3MLIB) mediaLib Library Functions mlib_ImageMoment2(3MLIB)NAMEmlib_ImageMoment2 - second moment
SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include <mlib.h>
mlib_status mlib_ImageMoment2(mlib_d64 *moment, const mlib_image *img);
DESCRIPTION
The mlib_ImageMoment2() function computes the second moment of each
channel in an image.
It uses the following equation:
1 w-1 h-1
moment[i] = ----- * SUM SUM img[x][y][i]**2
w*h x=0 y=0
PARAMETERS
The function takes the following arguments:
moment Pointer to moment array, where length is the number of chan‐
nels in the image.
img Pointer to an image.
RETURN VALUES
The function returns MLIB_SUCCESS if successful. Otherwise it returns
MLIB_FAILURE.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Committed │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOmlib_ImageMoment2_Fp(3MLIB), attributes(5)SunOS 5.10 2 Mar 2007 mlib_ImageMoment2(3MLIB)