(No version information available, might be only in CVS)
Imagick::getImageChannelStatistics — Returns statistics for each channel in the image
Cette fonction n'est pas documentée et seule la liste des arguments est disponible.
Returns statistics for each channel in the image. The statistics include the channel depth, its minima and maxima, the mean, and the standard deviation. You can access the red channel mean, for example, like this:
Returns TRUE on success.