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    Imagick::getImageChannelMean

    (PECL imagick 2, PECL imagick 3)

    Imagick::getImageChannelMean — Gets 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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