Frame buffers, colormaps, dithering

CS 248 - Introduction to Computer Graphics
Spring Quarter, 1995
Marc Levoy
Lecture notes for Tuesday, April 18

Table of contents:

• Raster display systems architecture
• Colormapping
  1. rgb frame buffer
  2. colormapped frame buffer
  3. Things you can do in a colormapped frame buffer
  4. Things you can't do in a colormapped frame buffer
• Color quantization and dithering
  1. Quantization without dithering
  2. Quantization with dithering
  3. Adaptive quantization
  4. Custom colormaps