Imagick::getImageChannelMean

    (PECL imagick 2, PECL imagick 3)

    Imagick::getImageChannelMean — Gets the mean and standard deviation

    Descrição

    publicImagick::getImageChannelMean(int$channel): array

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

    Parâmetros

    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.

    Valor Retornado

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

    Erros/Exceções

    Lança uma exceção ImagickException em caso de erro.

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