Per-Vertex Defocus Blur for Stochastic Rasterization

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Date
2012
Journal Title
Journal ISSN
Volume Title
Publisher
The Eurographics Association and Blackwell Publishing Ltd.
Abstract
We present user-controllable and plausible defocus blur for a stochastic rasterizer. We modify circle of confusion coefficients per vertex to express more general defocus blur, and show how the method can be applied to limit the foreground blur, extend the in-focus range, simulate tilt-shift photography, and specify per-object defocus blur. Furthermore, with two simplifying assumptions, we show that existing triangle coverage tests and tile culling tests can be used with very modest modifications. Our solution is temporally stable and handles simultaneous motion blur and depth of field.
Description

        
@article{
10.1111:j.1467-8659.2012.03133.x
, journal = {Computer Graphics Forum}, title = {{
Per-Vertex Defocus Blur for Stochastic Rasterization
}}, author = {
Munkberg, Jacob
and
Toth, Robert
and
Akenine-Möller, Tomas
}, year = {
2012
}, publisher = {
The Eurographics Association and Blackwell Publishing Ltd.
}, ISSN = {
1467-8659
}, DOI = {
10.1111/j.1467-8659.2012.03133.x
} }
Citation