A collection of sketches and thoughts by Tim Hengeveld (or 'Hedgefield' for you international folk), illustrator and game developer from the Netherlands.
How to do datamoshing in Photoshop
Datamoshing is “the practice of intentionally using compression artifacts in digital video and animated GIFs to create glitch art”.
It’s an effect popularized by Kanye West in his video Welcome To Heartbreak, but it’s mostly been an effect exclusive to video. There are a few crazy ways to get this effect on images by editing them with text or audio editors instead of image editors, but it’s hard to find a straightforward way to just do it in Photoshop. But, there is a fairly simple way to emulate it with a few filters. Here’s how: