My father (Bryce Bayer) was known for the Bayer filter, which survives to this day as the dominant approach to capturing color images in all digital cameras, and Bayer dithering, which didn't. Last time I saw it used was as decoration on DEC computer boxes.
In grad school, I went "down the street" to MIT to hear him speak. I overheard some students disparaging this dithering as primitive. Hey, you try living in the past and seeing the future!
It is a new approach to dithering in 3D, inspired by "Return of the Obra Dinn". After 2018, when someone talks about dithering, it is always the Obra Dinn, except for the submitted article it seems :)
Ah, thats from runevision. I recently whatched his youtube video on this (https://youtu.be/HPqGaIMVuLs) and "Return of the Obra Dinn" was also the first thing I thought of.
I'm not sure how much use that is for "modern" systems where blue noise textures are cheap enough but for dithering on retrocomputing devices I find it useful - smoother than random, less expensive than error diffusion.
That page is still up, I linked to an archive because right now for me I see some of the images get blocked at the source.
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Ditherpunk: The article I wish I had about monochrome image dithering
2021 https://news.ycombinator.com/item?id=25633483 200 comments
2023 https://news.ycombinator.com/item?id=36023706 37 commments
My father (Bryce Bayer) was known for the Bayer filter, which survives to this day as the dominant approach to capturing color images in all digital cameras, and Bayer dithering, which didn't. Last time I saw it used was as decoration on DEC computer boxes.
In grad school, I went "down the street" to MIT to hear him speak. I overheard some students disparaging this dithering as primitive. Hey, you try living in the past and seeing the future!
I love HN for its healthy love of history.
Also this: https://news.ycombinator.com/item?id=42808889
It is a new approach to dithering in 3D, inspired by "Return of the Obra Dinn". After 2018, when someone talks about dithering, it is always the Obra Dinn, except for the submitted article it seems :)
Ah, thats from runevision. I recently whatched his youtube video on this (https://youtu.be/HPqGaIMVuLs) and "Return of the Obra Dinn" was also the first thing I thought of.
there's an approach missed in that article lying between ordered dither and diffusion approaches - low discrepancy sequences
https://web.archive.org/web/20180830004622/https://extremele...
I'm not sure how much use that is for "modern" systems where blue noise textures are cheap enough but for dithering on retrocomputing devices I find it useful - smoother than random, less expensive than error diffusion.
That page is still up, I linked to an archive because right now for me I see some of the images get blocked at the source.