Imagick::getImageChannelMean

    (PECL imagick 2, PECL imagick 3)

    Imagick::getImageChannelMean — Gets 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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