Super Hi-Res Graphics on Apple IIGS: Pushing the Limits of Image Quality - KansasFest 2022

Super Hi-Res Graphics on Apple IIGS: Pushing the Limits of Image Quality - KansasFest 2022

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Super Hi-Res Graphics on Apple IIGS: Pushing the Limits of Image Quality - KansasFest 2022

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  1. 1 Intro
  2. 2 16 bits are too much for me
  3. 3 8-bit Apple II graphics
  4. 4 Memory layout
  5. 5 Scanline Control Byte
  6. 6 A lot of flexibility
  7. 7 Third table: Colour palettes
  8. 8 Mapping pixels to colours
  9. 9 320-mode pixel colours
  10. 10 Colours in 640 mode
  11. 11 640-mode pixel colours
  12. 12 Image conversion
  13. 13 Mapping scanlines to palettes
  14. 14 Brute force computation
  15. 15 Heuristics?
  16. 16 Iterative approach
  17. 17 Palette selection
  18. 18 Pixel cloud
  19. 19 k-means clustering
  20. 20 Examples
  21. 21 Quality progression
  22. 22 Limitations
  23. 23 Future work
  24. 24 Questions?

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