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cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_ImageMoment2_Fp(mlib_d64 *moment, const mlib_image *img);
The mlib_ImageMoment2_Fp() function computes the second moment of each channel in a floating-point 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
The function takes the following arguments:
moment
img
The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.
See attributes(5) for descriptions of the following attributes:
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mlib_ImageMoment2(3MLIB), attributes(5)