19320 search results - page 3512 / 3864 » On the complexity of computing determinants |
173
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TOG
2008
15 years 6 months ago
2008
We present a novel shadow map parameterization to reduce perspective aliasing artifacts for both point and directional light sources. We derive the aliasing error equations for bo...
219
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TOG
2008
15 years 6 months ago
2008
This paper introduces a simple and robust progressive global illumination algorithm based on photon mapping. Progressive photon mapping is a multi-pass algorithm where the first p...
150
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JGT
2007
15 years 6 months ago
2007
We introduce and study backbone colorings, a variation on classical vertex colorings: Given a graph G = (V, E) and a spanning subgraph H of G (the backbone of G), a backbone color...
169
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CGF
2005
15 years 6 months ago
2005
Aiming at robust surface structure recovery, we extend the powerful optimization technique of variational shape approximation by allowing for several different primitives to repre...
169
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CGF
2005
15 years 6 months ago
2005
We introduce the occlusion camera: a non-pinhole camera with 3D distorted rays. Some of the rays sample surfaces that are occluded in the reference view, while the rest sample vis...