(PECL imagick 2.0.0)
Imagick::getImageChannelMean — Gets the mean and standard deviation
Esta função não está documentada; somente a lista de argumentos está disponível.
Gets the mean and standard deviation of one or more image channels. Return value is an associative array with the keys "mean" and "standardDeviation".
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.
Retorna TRUE em sucesso.
Dispara ImagickException em erro.