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Show HN: Using 2D DFT, dithering, etc. to maximize eInk manga image quality

83 points · 20 comments · seam_carver

  1. xyzsparetimexyz · · focus · HN ↗
    Comic books and manga are amusingly amount the least digitizable mediums as you have the choice of good resolution but an unpleasant reading experience with lit screens on a desktop, laptop, tablet or phone and low res or lack of spreads on an e reader. Even more so when you're missing out on colour.
    1. trashb · · focus · HN ↗
      I read manga on my kobo elipsa 2e (10" 227 PPI, 1404 x 1872 resolution) often and find the experience quite good. I specifically got that e-reader since it has a big e-ink screen. Manga is mostly black and white anyway and the color pages get shown in grayscale, that works relatively well. I suppose traditional comics also work well since they have black text on white background the color to grayscale may cover some detail but should definitely be readable. most color comics and manga are printed in 300 PPI.
      1. seam_carver · · focus · HN ↗
        Ever experienced the bug where usb loaded kepub manga disabled bookmarks and annotations?

        <a href="https:&#x2F;&#x2F;github.com&#x2F;ciromattia&#x2F;kcc&#x2F;issues&#x2F;704" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;ciromattia&#x2F;kcc&#x2F;issues&#x2F;704

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