Imagick::getImageChannelMean

(PECL imagick 2, PECL imagick 3)

Imagick::getImageChannelMeanGets the mean and standard deviation

Descrizione

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

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

Elenco dei 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.

Valori restituiti

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

Errori/Eccezioni

Lancia una ImagickException in caso di errore.

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