You can get an idea of what this tool can do here The idea here was to build a "swiss knife" for JPEG glitching: a software tool that could alter a JPEG picture in any possible way without destroying it, thus providing glitch artists with a tool that would enable them to create something like a "glitch vocabulary" to express themselves. This approach allowed me to get visual alterations that go beyond what is usually seen under the "glitch" flag (particle effects, saturation artifacts, file size alterations, to name a few). After some web searching, I realized that most of the job should be done in the file header by altering specific bytes and carefully avoiding others. My first attempts at JPEG glitching consisted in random byte replacement and ended up in lots of unusable / unaestethetical files. My intention was to get a better undrstanding of the JPEG file structure and find a way to alter the files creatively without destroying them.
It is based on the works by Antonio Roberts and Ted Davis. I'v build a jpeg glitching abstraction using GEM and mrpeach.
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