README

ImageHash

Like Visipics, but faster.

Written in Lazarus and Freepascal.

Installation

This program does not require installation (just extract to any directory).

Credits

The image hashing algorithm (DHash) is by Dr. Neal Krawetz, who writes at Hacker Factor.

Relevant articles:

• http://www.hackerfactor.com/blog/index.php?/archives/432-Looks-Like-It.html
• http://www.hackerfactor.com/blog/index.php?/archives/529-Kind-of-Like-That.html

The TurboJPEG bindings are by D. R. Commander.

• https://www.djmaster.com/freepascal/bindings/turbojpeg.php

WebP support is provided by "Webp for Delphi and Lazarus" by Xelitan.

• https://github.com/Xelitan/Pure-Pascal-Webp-for-Delphi-Lazarus-Free-Pascal

License

The source code is licensed under the MIT license.