|Classes of Ganesh Kandu||PHP Image Compression Analysis||README.md||Download|
Error Level Analysis
This tool compares the original image to a recompressed version. This can make manipulated regions stand out in various ways. For example they can be darker or brighter than similar regions which have not been manipulated.
This should match the original quality of the image that has been edited.
Makes the differences between the original and the recompressed image bigger
> best works with jpeg image
PHP 5.3+ and GD extension installed
This library is designed to be installed via Composer.
Add the dependency into your projects composer.json.
Download the composer.phar
Install the library.
> To add in in your dependencies
inspired from photo forensics