Digital Video and HDCharles A. Poynton

Digital Video and HD

by Charles A. Poynton · first published 2003

2mentions
1recommended by
2HN commenters
2020–2021first – last mentioned

50% recommend50% neutral

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What Hacker News says

  • gabesk · Jul 14, 2021 · Recommends

    Charles Poynton has good references on this. His website is very 90s, but his books (a la Digital Video and HD) are the best clearly explained introduction to color science and gamma vs linear light coding that I've ever read. https://www.poynton.ca/Poynton-color.html

    on “The worst volume control UI in the world (2017)” ↗
  • raphlinus · Jan 27, 2020 · Mentions

    …noise in practical cameras and scanners". Wikipedia says "The purpose of the linear section is so the curve does not have an infinite slope at zero, which could cause numerical problems." Poynton's book Digital Video and HD: Algorithms and Interfaces talks about "veiling glare" and then says that the sRGB function almost perfectly inverts L* from the CIELAB color space (a pure 2.2 gamma would not do so). His thesis[1] goes…

    on “Correct SRGB Dithering” ↗

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