Imagick::compareImages

(PECL imagick 2.0.0)

Compares an image to a reconstructed image

array Imagick::compareImages ( Imagick $compare, int $metric )

Returns an array containing a reconstructed image and the difference between images.

Parameters:

compare

An image to compare to.

metric

Provide a valid metric type constant. Refer to this list of metric constants.

Returns:

Returns TRUE on success.

Exception:

Throws ImagickException on error.

Examples:

Using Imagick::compareImages() :

Compare images and display the reconstructed image

<?php
 
$image1 = new imagick("image1.png");
$image2 = new imagick("image2.png");
 
$result = $image1->compareImages($image2, Imagick::METRIC_MEANSQUAREERROR);
$result[0]->setImageFormat("png");
 
header("Content-Type: image/png");
echo $result[0];
 
?>

Links:

http://php.net/manual/en/imagick.compareimages.php

doc_php

2025-01-10 15:47:30

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