A computer history question: Why didn't VGA support a 256-color 640x400 mode even though a frame would fit in 256 KB memory? I can see a business reason (the IBM 8514/A high-end card introduced at the same time) but is there a known technical justification for not having such a mode?
My new hobby: Taking holiday photos with multiple exposures to create fake GDC slides afterwards.
New article: Single-pass palette refinement and ordered dithering
30fps.net/pages/bayer-...
It's a method that modifies the online k-means algorithm to produce an ordered dithering pattern as a side effect. The result is closer to pleasant glitch aesthetics than a proper dithering replacement.
I uploaded a few historical text files related to color quantization and dithering. It's easy to forget how difficult it was to read up on the latest research without the internet. Well, it still is but for different reasonsđŸ˜… paletteprogramming.com/archive/
Now this is a bold typeface for a paper title. "Quantization" by Allen Gersho. IEEE Communications Society Magazine, September 1977.