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Introduction

Signal Processing
 

Image as a signal

Nyquist Limit
 

What to do?
 

Area Sampling
 

Rather than sample, we could integrate.

For lines, this means treating them as boxes

Weighted Sampling
 

Anti-aliasing in Ray Tracing
 


next up previous
Next: Advanced Lighting Up: Aliasing and Anti-Aliasing Previous: Aliasing and Anti-Aliasing

CS488/688: Introduction to Interactive Computer Graphics
University of Waterloo
Computer Graphics Lab

cs488@cgl.uwaterloo.ca