PHP GD image gamma correct

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PHP GD image gamma correct
Posted on: November 16, 2009 at 12:00 AM

This example shows how to image gamma correct in php gd.

<?php

$im = imagecreatefromjpeg('im.jpg');

imagegammacorrect($im, 1.0, 1.537);

imagejpeg($im, 'php_gamma_corrected.jpeg');

echo("Image corrected and saved successfully.");

imagedestroy($im);

After running the program you will get the following output

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