(No version information available, might be only in CVS)
Imagick::getImageChannelDistortion — Compares image channels of an image to a reconstructed image
This function is currently not documented; only its argument list is available.
Compares one or more image channels of an image to a reconstructed image and returns the specified distortion metric.
Imagick object to compare to.
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.
One of the metric type constants.
Returns TRUE on success.
Throws ImagickException on error.