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Hello. I have recently been spending a lot of time dithering. In image processing, dithering is the act of applying intentional perturbations or noise in order to compensate for the information lost during colour reduction, also known as quantisation. In particular, I’ve become very interested in a specific type of dithering and its application to colour palettes of arbitrary or irregular colour distributions. Before going into detail however, let’s briefly review the basics of image dithering.
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In benchmarks, this alternative can run anywhere between 2x to 120x faster than Web streams in every runtime I've tested it on (including Cloudflare Workers, Node.js, Deno, Bun, and every major browser). The improvements are not due to clever optimizations, but fundamentally different design choices that more effectively leverage modern JavaScript language features. I'm not here to disparage the work that came before; I'm here to start a conversation about what can potentially come next.
PRF is already implemented in WebAuthn Clients and Credential Managers, so the cat is out of the bag. My asks: