Imagick::getImageChannelMean

(PECL imagick 2.0.0)

Imagick::getImageChannelMean — Gets the mean and standard deviation

Descrizione

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".

Elenco dei parametri

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.

Valori restituiti

Restituisce TRUE in caso di successo.

Errori/Eccezioni

Lancia una ImagickException in caso di errore.