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Parallel Irradiance Caching for Interactive Monte-Carlo Direct Volume Rendering

Rostislav Khlebnikov, Philip Voglreiter, Markus Steinberger, Bernhard Kainz, Dieter Schmalstieg
2014 Computer graphics forum (Print)  
Abstract We propose a technique to build the irradiance cache for isotropic scattering simultaneously with Monte Carlo progressive direct volume rendering on a single GPU, which allows us to achieve up  ...  Figure 1 : Three volumes with enlarged areas rendered with Irradiance Caching (left half) and normal Monte Carlo Volume Rendering (right half) after the same time.  ...  Irradiance Caching for Interactive Monte-Carlo Direct Volume Rendering 5 σ (+j) j i j i c c-iȉΔ c+iȉΔ c+jȉΔ R (+j) σ (+i) Table 1 : 1 The parameter values used in our experiments  ... 
doi:10.1111/cgf.12362 fatcat:yosfpedbnvecbkrbwk3vr67zem

Interactive display of isosurfaces with global illumination

C. Wyman, S. Parker, P. Shirley, C. Hansen
2006 IEEE Transactions on Visualization and Computer Graphics  
The precomputed illumination resides in a separate volume and includes direct light, shadows, and interreflections.  ...  Using this volume, interactive globally illuminated renderings of isosurfaces become feasible while still allowing dynamic manipulation of lighting, viewpoint and isovalue.  ...  ACKNOWLEDGMENTS The authors would like to thank David Banks for initially suggesting the idea of caching illumination for isosurfaces during a 1999 visit to Utah.  ... 
doi:10.1109/tvcg.2006.33 pmid:16509378 fatcat:rc76wyrvmjdg7jptaglrp6xh3a

Towards interactive global illumination effects via sequential Monte Carlo adaptation

Vincent Pegoraro, Carson Brownlee, Peter S. Shirley, Steven G. Parker
2008 2008 IEEE Symposium on Interactive Ray Tracing  
The radiance estimates computed during the rendering process are cached in an adaptive per-pixel structure that defines dynamic predicate functions for both variance reduction techniques and guarantees  ...  This paper presents a novel method that effectively combines both control variates and importance sampling in a sequential Monte Carlo context while handling general single-bounce global illumination effects  ...  Monte Carlo Integration Monte Carlo methods are a general and robust technique for stochastically evaluating multi-dimensional integrals.  ... 
doi:10.1109/rt.2008.4634630 fatcat:od5oaw5bcfeezas27jjka5acci

Dynamic Diffuse Global Illumination Resampling [article]

Zander Majercik, Thomas Müller, Alexander Keller, Derek Nowrouzezahrai, Morgan McGuire
2021 arXiv   pre-print
Moreover, when combined with commodity denoisers, we are able to interactively render global illumination in complex scenes.  ...  Specialized sampling strategies are effective for specular and near-specular transport because the scattering has relatively low directional variance per scattering event.  ...  “Optimally Combin- ing Sampling Techniques for Monte Carlo Rendering”. Proceedings of the 22nd Annual Conference on Computer Graphics and Interactive Techniques. SIGGRAPH ’95.  ... 
arXiv:2108.05263v1 fatcat:uhy2bwix3bekzamr7pscqxoeia

Variance reduction using interframe coherence for animated scenes

Peng Zhou, Yanyun Chen
2015 Computational Visual Media  
Rendering algorithms based on Monte Carlo methods are usually employed to precisely capture all features of an animated scene.  ...  In this paper, we propose a variance reduction technique for Monte Carlo methods which exploits coherence between frames.  ...  [3] proposed gradient-domain rendering for Monte Carlo image synthesis.  ... 
doi:10.1007/s41095-015-0026-0 fatcat:m7iriexk7rhbrflx7pihhls4xa

Simulating multiple scattering in hair using a photon mapping approach

Jonathan T. Moon, Stephen R. Marschner
2006 ACM SIGGRAPH 2006 Papers on - SIGGRAPH '06  
For these reasons, previous methods cannot compute accurate images substantially faster than Monte Carlo path tracing.  ...  Simulating multiple scattering correctly is important for accurate rendering of hair.  ...  Acknowledgements The authors would like to thank Donivan Patwell for donating the hair samples photographed for this paper, and Andrew Butts for modeling the hair scenes that we rendered.  ... 
doi:10.1145/1179352.1141995 fatcat:tgjwptutfbh6fgk43sop43s57m

Simulating multiple scattering in hair using a photon mapping approach

Jonathan T. Moon, Stephen R. Marschner
2006 ACM Transactions on Graphics  
For these reasons, previous methods cannot compute accurate images substantially faster than Monte Carlo path tracing.  ...  Simulating multiple scattering correctly is important for accurate rendering of hair.  ...  Acknowledgements The authors would like to thank Donivan Patwell for donating the hair samples photographed for this paper, and Andrew Butts for modeling the hair scenes that we rendered.  ... 
doi:10.1145/1141911.1141995 fatcat:c5zlxndz4zcw3cpezh6fudlewe

Wait-Free Shared-Memory Irradiance Caching

K. Debattista, P. Dubla, Luis Paulo Peixoto dos Santos, A. Chalmers
2011 IEEE Computer Graphics and Applications  
that caches sparsely sampled values for indirect diffuse irradiance in the framework of a distributed ray-tracing algorithm. 2 However, because all rendering threads can write to and read from the IC,  ...  to minimize overhead and allow computation. 1 We've developed a parallel solution to one method used for computing complex lighting conditions-namely, the irradiance cache (IC), an acceleration data structure  ...  By exploiting spatial coherence, the IC offers an order-ofmagnitude improvement in rendering time over Monte Carlo integration.  ... 
doi:10.1109/mcg.2010.80 pmid:24808192 fatcat:j42rgknnbzfstpdks3tbgjsrjq

Vision-an architecture for global illumination calculations

P. Slusallek, H.-P. Seidel
1995 IEEE Transactions on Visualization and Computer Graphics  
In particular, we give a detailed description of the global Lighting subsystem and show how algorithms for path tracing, bidirectional estimators, irradiance caching, hierarchical radiosity, wavelet radiosity  ...  Additionally, the Vision architecture o ers a platform for developing new algorithms and for combining them to create new rendering solutions.  ...  We also thank Peter Shirley for providing the table scene. We thank the  ... 
doi:10.1109/2945.468387 fatcat:qzd3sbze5vg5zl4kjwwwrhhkxq

Interactive Light Map and Irradiance Volume Preview in Frostbite [chapter]

Diede Apers, Petter Edblom, Charles de Rousiers, Sébastien Hillaire
2019 Ray Tracing Gems  
Our approach is based on Monte Carlo path tracing running on the GPU, built using the DirectX Raytracing (DXR) API.  ...  We present an approach to updating light maps and irradiance volumes in real time according to elements constituting a scene.  ...  It describes the directional irradiance 2 for light maps or irradiance volumes.  ... 
doi:10.1007/978-1-4842-4427-2_23 fatcat:cr5bus5ppbelramd6tseibqkg4

Interactive Particle Visualization with Advanced Shading Models using Lazy Evaluation [article]

Christiaan P. Gribble, Steven G. Parker
2007 Eurographics Symposium on Parallel Graphics and Visualization  
We describe a visualization process targeting upcoming, highly parallel multicore desktop systems that enables interactive navigation and exploration of large particle datasets rendered with illumination  ...  These expensive illumination effects are evaluated lazily by decoupling interactive display and high quality rendering.  ...  ] and direct volume rendering [Lev88] .  ... 
doi:10.2312/egpgv/egpgv07/037-044 fatcat:gbwlfxmqnbfnrl4l6i3h6iwhfe

Radiance cache splatting

Pascal Gautron, Jaroslav Křivánek, Kadi Bouatouch, Sumanta Pattanaik
2008 ACM SIGGRAPH 2008 classes on - SIGGRAPH '08  
Moreover, the rendering quality remains identical to classical irradiance and radiance caching.  ...  To this end, the irradiance caching algorithm is commonly used since it provides high-quality rendering in a reasonable time.  ...  Generally, the computation is performed using ray tracing and Monte Carlo sampling, and is very costly. A number of methods have been proposed to reduce the computational cost of global illumination.  ... 
doi:10.1145/1401132.1401231 dblp:conf/siggraph/GautronKBP08 fatcat:j6a4n63pibeknjuayd3j63znje

Radiance cache splatting

Pascal Gautron, Jaroslav Křivánek, Kadi Bouatouch, Sumanta Pattanaik
2005 ACM SIGGRAPH 2005 Sketches on - SIGGRAPH '05  
Moreover, the rendering quality remains identical to classical irradiance and radiance caching.  ...  To this end, the irradiance caching algorithm is commonly used since it provides high-quality rendering in a reasonable time.  ...  Generally, the computation is performed using ray tracing and Monte Carlo sampling, and is very costly. A number of methods have been proposed to reduce the computational cost of global illumination.  ... 
doi:10.1145/1187112.1187154 dblp:conf/siggraph/GautronKBP05 fatcat:35cwu24k65c4tfjrtujmeosxxy

Radiance Cache Splatting: A GPU-Friendly Global Illumination Algorithm [article]

Pascal Gautron, Jaroslav Krivánek, Kadi Bouatouch, Sumanta Pattanaik
2005 Symposium on Rendering  
Moreover, the rendering quality remains identical to classical irradiance and radiance caching.  ...  To this end, the irradiance caching algorithm is commonly used since it provides high-quality rendering in a reasonable time.  ...  Generally, the computation is performed using ray tracing and Monte Carlo sampling, and is very costly. A number of methods have been proposed to reduce the computational cost of global illumination.  ... 
doi:10.2312/egwr/egsr05/055-064 fatcat:63l7zqecpvbqzozs42puzptk7a

Practical global illumination for interactive particle visualization

Christiaan P. Gribble, Carson Brownlee, Steven G. Parker
2008 Computers & graphics  
Monte Carlo path tracing and texture mapping are used to capture computationally expensive illumination effects such as soft shadows and diffuse interreflection.  ...  The first approach is based on precomputation of luminance textures and removes expensive illumination calculations from the interactive rendering pipeline.  ...  Methods such as the irradiance volume [6] , the render cache [26] , and several others utilize this approach.  ... 
doi:10.1016/j.cag.2007.11.001 fatcat:f5v32osjhnglpfrbt55niha37q
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