Imagick
PHP-Handbuch

Imagick::getImageChannelMean

Gets the mean and standard deviation

Beschreibung

array Imagick::getImageChannelMean ( int $channel )

Gets the mean and standard deviation of one or more image channels. Return value is an associative array with the keys "mean" and "standardDeviation".

Parameter-Liste

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Refer to this list of channel constants.

Rückgabewerte

Liefert TRUE bei Erfolg.

Fehler/Exceptions

Wirft ImagickException bei Fehlern.