Rendering participating media with bidirectional path tracing
Proceedings of the eurographics workshop on Rendering techniques '96
Efficient simulation of light transport in scenes with participating media using photon maps
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Modeling and rendering of weathered stone
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
A practical model for subsurface light transport
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
A practical model for subsurface light transport
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Realistic image synthesis using photon mapping
Realistic image synthesis using photon mapping
A rapid hierarchical rendering technique for translucent materials
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Metropolis Light Transport for Participating Media
Proceedings of the Eurographics Workshop on Rendering Techniques 2000
EGRW '03 Proceedings of the 14th Eurographics workshop on Rendering
Efficient Rendering of Local Subsurface Scattering
PG '03 Proceedings of the 11th Pacific Conference on Computer Graphics and Applications
ACM SIGGRAPH 2004 Papers
Light diffusion in multi-layered translucent materials
ACM SIGGRAPH 2005 Papers
A computational approach to simulate subsurface light diffusion in arbitrarily shaped objects
GI '05 Proceedings of Graphics Interface 2005
A hybrid monte carlo method for accurate and efficient subsurface scattering
EGSR'05 Proceedings of the Sixteenth Eurographics conference on Rendering Techniques
EGWR'99 Proceedings of the 10th Eurographics conference on Rendering
ACM SIGGRAPH 2009 papers
Numerical Simulation of Endoscopic Images in Photodynamic Diagnosis
ICCVG 2008 Proceedings of the International Conference on Computer Vision and Graphics: Revised Papers
A quantized-diffusion model for rendering translucent materials
ACM SIGGRAPH 2011 papers
Accelerated light propagation through participating media
VG'07 Proceedings of the Sixth Eurographics / Ieee VGTC conference on Volume Graphics
Accurate Translucent Material Rendering under Spherical Gaussian Lights
Computer Graphics Forum
A practical analytic model for the radiosity of translucent scenes
Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
Modular flux transfer: efficient rendering of high-resolution volumes with repeated structures
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
Photon beam diffusion: a hybrid Monte Carlo method for subsurface scattering
EGSR '13 Proceedings of the Eurographics Symposium on Rendering
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We present a new algorithm for rendering translucent materials that combines photon tracing with diffusion. This combination makes it possible to efficiently render highly scattering translucent materials while accounting for internal blockers, complex geometry, translucent inter-scattering, and transmission and refraction of light at the boundary causing internal caustics. These effects cannot be accounted for with previous rendering approaches using the dipole or multipole diffusion approximations that only sample the incident illumination at the surface of the material. Instead of sampling lighting at the surface we trace photons into the material and store them volumetrically at their first scattering interaction with the material. We hierarchically integrate the diffusion of light from the photons to compute the radiant emittance at points on the surface of the material. For increased accuracy we use the incidence plane of the photon and the viewpoint on the surface to blend between three analytic diffusion approximations that best describe the geometric configuration between the photon and the shading point. For this purpose we introduce a new quadpole diffusion approximation that models diffusion at right angled edges, and an attenuation kernel to more accurately model multiple scattering near a light source. The photon diffusion approach is as efficient as previous Monte Carlo sampling approaches based on the dipole or multipole diffusion approximations, and our results demonstrate that it is more accurate and capable of capturing several illumination effects previously ignored when simulating the diffusion of light in translucent materials.