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    Imagick::getImageChannelDistortion

    (PECL imagick 2, PECL imagick 3)

    Imagick::getImageChannelDistortion — Compares image channels of an image to a reconstructed image

    Description

    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.

    Parameters

    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.

    Return Values

    Returns true on success.

    Errors/Exceptions

    Throws ImagickException on error.

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