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- Title
Skeleton based Vertex Connection Resampling for Bidirectional Path Tracing.
- Authors
Noël, Laurent; Biri, Venceslas
- Abstract
Bidirectional path tracing is known to perform poorly for the rendering of highly occluded scenes. Indeed, the connection strategy between light and eye subpaths does not take into account the visibility factor, presenting no contribution for many sampled paths. To improve the efficiency of bidirectional path tracing, we propose a new method for adaptive resampling of connections between light and eye subpaths. Aiming for this objective, we build discrete probability distributions of light subpaths based on a skeleton of the empty space of the scene. In order to demonstrate the efficiency of our algorithm, we compare our method to both standard bidirectional path tracing and a recent important caching method.
- Subjects
RENDERING algorithms; GRAPHICS processing units; IMAGE denoising; GEOMETRIC vertices; MARKOV chain Monte Carlo; LIGHT scattering
- Publication
Computer Graphics Forum, 2015, Vol 34, Issue 7, p299
- ISSN
0167-7055
- Publication type
Article
- DOI
10.1111/cgf.12768