Global illumination (part II)

CS 348B - Computer Graphics: Image Synthesis Techniques
Spring Quarter, 1996
Marc Levoy
Lecture notes for Tuesday, May 21
Handout #29

Table of contents:

• Distribution ray tracing
  • Two views of energy balance at a surface
  • Phong illumination
  • Illumination model used in ray tracing
  • Illumination model used in practical distribution ray tracing
  • Illumination model used in ideal distribution ray tracing
  • Sampling patterns
  • Sample distribution and weighting
  • Ray tracing versus path tracing
• Applications of distribution ray tracing
  • Gloss
  • Translucency
  • Penumbrae
  • Depth of field
  • Motion blur
  • Others
  • Summary

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