PHP Manual
Imagick
Compares an image to a reconstructed image

Imagick::getImageDistortion

(PECL imagick 2, PECL imagick 3)

Imagick::getImageDistortion — Compares an image to a reconstructed image

Description

public Imagick::getImageDistortion(MagickWand $reference, int $metric): float

Compares an image to a reconstructed image and returns the specified distortion metric.

Parameters

reference: Imagick object to compare to.
metric: One of the metric type constants.

Return Values

Returns the distortion metric used on the image (or the best guess thereof).

Errors/Exceptions

Throws ImagickException on error.

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