(PECL imagick 2, PECL imagick 3)

Imagick::getImageChannelMeanGets the mean and standard deviation


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

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

Список параметров


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.


Вызывает ImagickException при ошибке.

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