MagickStudio/Compare.html at main · ImageMagick/MagickStudio · GitHub

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Compare Image</title>
<link rel="StyleSheet" href="style/magick.css" type="text/css" />
</head>
<body bgcolor="#FFFFFF" text="#000000" link="#0085C0"
vlink="#800080" alink="#0085C0">
<center><img src="images/magick.png" align="bottom" width="114"
height="113" /></center>
<hr />
<p>Use the Compare tab  to mathematically and visually annotate the difference between an image and its reconstruction.  Choose a <a href="https://imagemagick.org/script/command-line-options.php#metric">metric</a> and press the <kbd>compare</kbd> button.  A difference image is returned where the red areas of the difference image emphasizes (highlight) pixels that are modified and white de-emphasizes (lowlight) pixels that are untouched.  In addition to the visual interpretation of the difference in an image and its reconstruction, we report a mathematical measure of the difference:</p>
<pre class="text">
Distortion: 1606.1454808853 (0.0245082090621088)
</pre
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<p>
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</body>
</html>