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Imagick::getImageChannelMean

(PECL imagick 2, PECL imagick 3)

Imagick::getImageChannelMeanGets the mean and standard deviation

Descrierea

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

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

Parametri

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.

Valorile întoarse

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

Erori/Excepții

Emite ImagickException în caz de eroare.

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