Imagick::getImageChannelMean

(PECL imagick 2.0.0)

Imagick::getImageChannelMean — Gets the mean and standard deviation

Описание

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".

Список параметров

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.

Возвращаемые значения

В случае успешной работы возвращает TRUE.

Ошибки

Вызывает ImagickException при ошибке.