Raster displays

CS 248 - Introduction to Computer Graphics
Autumn Quarter, 2000
Marc Levoy
Lecture notes for Tuesday October 3

Table of contents:

• Measures of spatial resolution
  • Physical resolution
  • Addressable resolution
• Raster CRTs
  • Construction, deflection, coating, color
  • Resolution, refresh
  • Persistence
• Spatial resolution - How many pixels do we need?
  • Frequency sensitivity - sine wave gratings
    • Units of measurement
    • Effect of viewing conditions
    • Cutoff
    • Extension to general scenes
  • Phase sensitivity - vernier acuity
    • Receptor spacing and point sampling
    • Vernier acuity and antialiasing
• Temporal resolution - How many frames per second?
  • Flicker sensitivity - refresh rate
  • Motion perception - update rate
  • Motor-visual correlation - lag time