(PECL imagick 2.0.0)
Imagick::getImageChannelDistortion — Compares image channels of an image to a reconstructed image
Compares one or more image channels of an image to a reconstructed image and returns the specified distortion metric.
referenceImagick object to compare to.
channelProvide 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.
metricOne of the metric type constants.
Retorna TRUE no sucesso.
Lança ImagickException em caso de erro.