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demofox

For folks that know me as "the blue noise guy", I've put together a 50 minute video that talks about many of the things I've learned in my ~decade long dive into noise and related topics - up to and including our latest paper published days ago at I3D.
I hope you enjoy it!
youtube.com/watch?v=tethAU66xa

A slide showing how using the golden ratio low discrepancy sequence as a random number generator when giving players treasure in a video game, gives a histogram of treasure nearly matching the histogram described by the actual probabilities. With white noise, the actual histogram of treasure dropped is very different from the probabilities.
A slide showing how random numbers which are positively correlated on the screen give correlated resulting renders, uncorrelated random numbers give uncorrelated renders, and negative correlation random numbers give negatively correlated renders. Negatively correlated renders have the best perceptual quality, despite all three having the same actual error.
Az

@demofox Youtube really hated your 8 colors dithered slide ah! Thanks for the talk, I picked up most of it following you here during the last couple years but it's still interesting to see it all put together in a presentation.

May 15, 2024, 09:51 AM·Public
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demofox

@Az it's unfortunate that dithering helps reduce how many colors & bits you use, but makes it a lot harder to compress 😂

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