Sampling and reconstruction
CS 348B - Computer Graphics: Image Synthesis Techniques
Spring Quarter, 1996
Marc Levoy
Handout #6
Table of contents:
Definition of Fourier transform
Definition of convolution
Ideal sampling
Ideal reconstruction
Undersampling
Solution #1: raise the sampling rate
Solution #2: bandlimit the signal
Poor bandlimiting
Poor reconstruction
levoy@cs.stanford.edu
Copyright © 1996 Marc Levoy
Last update: Friday, 20-Feb-1998 13:56:55 PST