Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_ImageMean_Fp(mlib_d64 *mean, const mlib_image *img);
The mlib_ImageMean_Fp() function computes the mean value of all the pixels in the image.
It uses the following equation:
1 w-1 h-1 mean[i] = ----- * SUM SUM img[x][y][i] w*h x=0 y=0
The function takes the following arguments:
Pointer to mean array, where length is the number of channels in the image. mean[i] contains the mean of channel i.
Pointer to an image.
The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Interface Stability |
Committed |
MT-Level |
MT-Safe |
Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also