A Family of Inexpensive Sampling Schemes

Jon Hasselgren
Lund University

Tomas Akenine-Möller
Lund University
Samuli Laine
Helsinki University of Technology

In Computer Graphics Forum, vol. 24, no.4, pp. 843-848, 2005


To improve image quality in computer graphics, antialiazing techniques such as supersampling and multisampling are used. We explore a family of inexpensive sampling schemes that cost as little as 1.25 samples per pixel and up to 2.0 samples per pixel. By placing sample points in the corners or on the edges of the pixels, sharing can occur between pixels, and this makes it possible to create inexpensive sampling schemes. Using an evaluation and optimization framework, we present optimized sampling patterns costing 1.25, 1.5, 1.75 and 2.0 samples per pixel.


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