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Imagick::getImageChannelMean

(PECL imagick 2, PECL imagick 3)

Imagick::getImageChannelMeanGets the mean and standard deviation

Описание

public Imagick::getImageChannelMean ( int $channel ) : array

Gets the mean and standard deviation of one or more image channels.

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

Returns an array with "mean" and "standardDeviation" members.

Ошибки

Вызывает ImagickException при ошибке.

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