The zonal method for calculating light intensities in the presence of a participating medium
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
Light-driven global illumination with a wavelet representation of light transport
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
Photorealistic rendering of knitwear using the lumislice
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
A practical model for subsurface light transport
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Metropolis Light Transport for Participating Media
Proceedings of the Eurographics Workshop on Rendering Techniques 2000
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
Robust monte carlo methods for light transport simulation
Robust monte carlo methods for light transport simulation
ACM SIGGRAPH 2005 Papers
Measuring and modeling the appearance of finished wood
ACM SIGGRAPH 2005 Papers
Light diffusion in multi-layered translucent materials
ACM SIGGRAPH 2005 Papers
Simulating multiple scattering in hair using a photon mapping approach
ACM SIGGRAPH 2006 Papers
Solid texture synthesis from 2D exemplars
ACM SIGGRAPH 2007 papers
Modeling and rendering of heterogeneous translucent materials using the diffusion equation
ACM Transactions on Graphics (TOG)
Efficient multiple scattering in hair using spherical harmonics
ACM SIGGRAPH 2008 papers
Dual scattering approximation for fast multiple scattering in hair
ACM SIGGRAPH 2008 papers
Participating media illumination using light propagation maps
ACM Transactions on Graphics (TOG)
A radiative transfer framework for rendering materials with anisotropic structure
ACM SIGGRAPH 2010 papers
A comprehensive theory of volumetric radiance estimation using photon points and beams
ACM Transactions on Graphics (TOG)
Building volumetric appearance models of fabric using micro CT imaging
ACM SIGGRAPH 2011 papers
A quantized-diffusion model for rendering translucent materials
ACM SIGGRAPH 2011 papers
CVPR'03 Proceedings of the 2003 IEEE computer society conference on Computer vision and pattern recognition
Heterogeneous Subsurface Scattering Using the Finite Element Method
IEEE Transactions on Visualization and Computer Graphics
Proceedings of the 2011 SIGGRAPH Asia Conference
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
Structure-aware synthesis for predictive woven fabric appearance
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
Practical rendering of multiple scattering effects in participating media
EGSR'04 Proceedings of the Fifteenth Eurographics conference on Rendering Techniques
Rendering discrete random media using precomputed scattering solutions
EGSR'07 Proceedings of the 18th Eurographics conference on Rendering Techniques
Rendering translucent materials using photon diffusion
EGSR'07 Proceedings of the 18th Eurographics conference on Rendering Techniques
Interactive appearance design in the presence of optically complex materials
MAM '13 Proceedings of the Eurographics 2013 Workshop on Material Appearance Modeling: Issues and Acquisition
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The highest fidelity images to date of complex materials like cloth use extremely high-resolution volumetric models. However, rendering such complex volumetric media is expensive, with brute-force path tracing often the only viable solution. Fortunately, common volumetric materials (fabrics, finished wood, synthesized solid textures) are structured, with repeated patterns approximated by tiling a small number of exemplar blocks. In this paper, we introduce a precomputation-based rendering approach for such volumetric media with repeated structures based on a modular transfer formulation. We model each exemplar block as a voxel grid and precompute voxel-to-voxel, patch-to-patch, and patch-to-voxel flux transfer matrices. At render time, when blocks are tiled to produce a high-resolution volume, we accurately compute low-order scattering, with modular flux transfer used to approximate higher-order scattering. We achieve speedups of up to 12× over path tracing on extremely complex volumes, with minimal loss of quality. In addition, we demonstrate that our approach outperforms photon mapping on these materials.