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Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005 Sampling and Aliasing Ed Angel Professor of Computer Science, Electrical and Computer Engineering,

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Presentation on theme: "Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005 Sampling and Aliasing Ed Angel Professor of Computer Science, Electrical and Computer Engineering,"— Presentation transcript:

1 Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005 Sampling and Aliasing Ed Angel Professor of Computer Science, Electrical and Computer Engineering, and Media Arts Director, Arts Technology Center University of New Mexico

2 Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005 Introduction In computer graphics, we use the term “aliasing” but where does it come from? Sampling theory explains where these errors arise and what we might do to avoid them Explains both digitization and display

3 Angel: Interactive Computer Graphics 4E © Addison-Wesley 2005 Sampling Process Measure f(x,y) on grid

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