SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
The irradiance Jacobian for partially occluded polyhedral sources
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Faster photon map global illumination
Journal of Graphics Tools
A ray tracing solution for diffuse interreflection
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Realistic image synthesis using photon mapping
Realistic image synthesis using photon mapping
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
IEEE Computer Graphics and Applications
An approximate global illumination system for computer generated films
ACM SIGGRAPH 2004 Papers
Fast and detailed approximate global illumination by irradiance decomposition
ACM SIGGRAPH 2005 Papers
A frequency analysis of light transport
ACM SIGGRAPH 2005 Papers
Master-element vector irradiance for large tessellated models
GRAPHITE '05 Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia
Advanced Global Illumination
A meshless hierarchical representation for light transport
ACM SIGGRAPH 2008 papers
Efficient streaming of 3D scenes with complex geometry and complex lighting
Web3D '08 Proceedings of the 13th international symposium on 3D web technology
An efficient GPU-based approach for interactive global illumination
ACM SIGGRAPH 2009 papers
An irradiance atlas for global illumination in complex production scenes
EGSR'04 Proceedings of the Fifteenth Eurographics conference on Rendering Techniques
Ray maps for global illumination
EGSR'05 Proceedings of the Sixteenth Eurographics conference on Rendering Techniques
EGWR'99 Proceedings of the 10th Eurographics conference on Rendering
Making radiance and irradiance caching practical: adaptive caching and neighbor clamping
EGSR'06 Proceedings of the 17th Eurographics conference on Rendering Techniques
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This paper introduces a caching technique based on a volumetric representation that captures low-frequency indirect illumination. This structure is intended for efficient storage and manipulation of illumination. It is based on a 3D grid that stores a fixed set of irradiance vectors. During preprocessing, this representation can be built using almost any existing global illumination software. During rendering, the indirect illumination within a voxel is interpolated from its associated irradiance vectors, and is used as additional local light sources. Compared with other techniques, the 3D vector-based representation of our technique offers increased robustness against local geometric variations of a scene. We thus demonstrate that it may be employed as an efficient and high-quality caching data structure for bidirectional rendering techniques such as particle tracing or photon mapping.