1mlib_ImageMoment2_Fp(3MLIB)mediaLib Library Functionsmlib_ImageMoment2_Fp(3MLIB)
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NAME

6       mlib_ImageMoment2_Fp - second moment
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SYNOPSIS

9       cc [ flag... ] file... -lmlib [ library... ]
10       #include <mlib.h>
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12       mlib_status mlib_ImageMoment2_Fp(mlib_d64 *moment, const mlib_image *img);
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DESCRIPTION

16       The  mlib_ImageMoment2_Fp() function computes the second moment of each
17       channel in a floating-point image.
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20       It uses the following equation:
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22                       1     w-1 h-1
23         moment[i] = ----- * SUM SUM img[x][y][i]**2
24                      w*h    x=0 y=0
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PARAMETERS

28       The function takes the following arguments:
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30       moment    Pointer to moment array, where length is the number of  chan‐
31                 nels in the image.
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34       img       Pointer to an image.
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RETURN VALUES

38       The  function  returns MLIB_SUCCESS if successful. Otherwise it returns
39       MLIB_FAILURE.
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ATTRIBUTES

42       See attributes(5) for descriptions of the following attributes:
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47       ┌─────────────────────────────┬─────────────────────────────┐
48       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
49       ├─────────────────────────────┼─────────────────────────────┤
50       │Interface Stability          │Committed                    │
51       ├─────────────────────────────┼─────────────────────────────┤
52       │MT-Level                     │MT-Safe                      │
53       └─────────────────────────────┴─────────────────────────────┘
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SEE ALSO

56       mlib_ImageMoment2(3MLIB), attributes(5)
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60SunOS 5.11                        2 Mar 2007       mlib_ImageMoment2_Fp(3MLIB)
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