Proceedings of the conference on Graphics interface '97
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Realistic, hardware-accelerated shading and lighting
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
An efficient representation for irradiance environment maps
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Frequency space environment map rendering
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Video Codec Design: Developing Image and Video Compression Systems
Video Codec Design: Developing Image and Video Compression Systems
Fast primitive distribution for illustration
EGRW '02 Proceedings of the 13th Eurographics workshop on Rendering
Unified Approach to Prefiltered Environment Maps
Proceedings of the Eurographics Workshop on Rendering Techniques 2000
All-frequency shadows using non-linear wavelet lighting approximation
ACM SIGGRAPH 2003 Papers
Structured importance sampling of environment maps
ACM SIGGRAPH 2003 Papers
Efficient illumination by high dynamic range images
EGRW '03 Proceedings of the 14th Eurographics workshop on Rendering
Robust monte carlo methods for light transport simulation
Robust monte carlo methods for light transport simulation
Open Scene Graph A: Introduction, B: Examples and Applications
VR '04 Proceedings of the IEEE Virtual Reality 2004
Fast hierarchical importance sampling with blue noise properties
ACM SIGGRAPH 2004 Papers
Wavelet importance sampling: efficiently evaluating products of complex functions
ACM SIGGRAPH 2005 Papers
A median cut algorithm for light probe sampling
SIGGRAPH '05 ACM SIGGRAPH 2005 Posters
Incremental wavelet importance sampling for direct illumination
Proceedings of the 2007 ACM symposium on Virtual reality software and technology
An efficient GPU-based approach for interactive global illumination
ACM SIGGRAPH 2009 papers
Physically Based Rendering, Second Edition: From Theory To Implementation
Physically Based Rendering, Second Edition: From Theory To Implementation
Parallel random numbers: as easy as 1, 2, 3
Proceedings of 2011 International Conference for High Performance Computing, Networking, Storage and Analysis
Real-time shading with filtered importance sampling
EGSR'08 Proceedings of the Nineteenth Eurographics conference on Rendering
Adaptive numerical cumulative distribution functions for efficient importance sampling
EGSR'05 Proceedings of the Sixteenth Eurographics conference on Rendering Techniques
Experimental analysis of BRDF models
EGSR'05 Proceedings of the Sixteenth Eurographics conference on Rendering Techniques
Bidirectional importance sampling for direct illumination
EGSR'05 Proceedings of the Sixteenth Eurographics conference on Rendering Techniques
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We present a new real-time importance sampling algorithm for environment maps. Our method is based on representing environment maps using kd-tree structures, and generating samples with a single data lookup. An efficient algorithm has been developed for real-time image-based lighting applications. In this paper, we compared our algorithm with Inversion method [Fishman 1996]. We show that our proposed algorithm provides compactness and speedup as compared to Inversion method. Based on a number of rendered images, we have demonstrated that in a fixed time frame the proposed algorithm produces images with a lower noise than that of the Inversion method. We also demonstrate that our algorithm can successfully represent a wide range of material types.