Sampling theory (part I)

CS 348B - Computer Graphics: Image Synthesis Techniques
Spring Quarter, 1998
Marc Levoy
Lecture notes for Tuesday, April 7
Handout #9

Table of contents:

• Introduction
  • Sampling and reconstruction
  • Examples of aliasing
• Linear, shift-invariant systems
  • System
  • Linear system
  • Characterization of a linear system
  • Shift-invariant system
  • Characterization of an LSI system
  • Example
• Sampling in the spatial domain
  • Rect function
  • Impulse function
  • Multiplication by an impulse
  • Convolution by a shifted impulse
  • Sampling using the Shah function
  • Replicating using the Shah function

Press here for Part II of this lecture.