Imagick::getImageChannelMean

(PECL imagick 2.0.0)

Imagick::getImageChannelMeanGets the mean and standard deviation

Опис

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".

Параметри

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.

Значення, що повертаються

Повертає TRUE в разі успіху.

Помилки/Винятки

Кидає ImagickException в разі помилки.

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