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    Imagick::getImageChannelDistortion

    (PECL imagick 2.0.0)

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

    설명

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

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

    인수

    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.

    반환값

    성공시에 TRUE를 반환합니다.

    오류/예외

    오류시에 ImagickException이 발생합니다.

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