The Imagick class
PHP Manual

Imagick::getImageChannelMean

(PECL imagick 2.0.0)

Imagick::getImageChannelMeanGets the mean and standard deviation

설명

array Imagick::getImageChannelMean ( int $channel )
Warning

이 함수는 현재 문서화 되어있지 않습니다; 인수 목록만을 제공합니다.

Gets the mean and standard deviation of one or more image channels. Return value is an associative array with the keys "mean" and "standardDeviation".

인수

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. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

반환값

성공시에 TRUE를 반환합니다.

오류/예외

오류시에 ImagickException이 발생합니다.


The Imagick class
PHP Manual