Imagick::getImageChannelDistortion

(PECL imagick 2, PECL imagick 3)

Imagick::getImageChannelDistortionCompares image channels of an image to a reconstructed image

Beschreibung

public Imagick::getImageChannelDistortion(Imagick $reference, int $channel, int $metric): float

Compares one or more image channels of an image to a reconstructed image and returns the specified distortion metric.

Parameter-Liste

reference

Imagick object to compare to.

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.

metric

One of the metric type constants.

Rückgabewerte

Liefert true bei Erfolg.

Fehler/Exceptions

Wirft ImagickException bei Fehlern.

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