SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
Energy preserving non-linear filters
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Realistic modeling and rendering of plant ecosystems
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Anisotropic diffusion for Monte Carlo noise reduction
ACM Transactions on Graphics (TOG)
Filtering: A note on the Use of Nonlinear Filtering in Computer Graphics
IEEE Computer Graphics and Applications
The trilateral filter for high contrast images and meshes
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
A Metric for Distributions with Applications to Image Databases
ICCV '98 Proceedings of the Sixth International Conference on Computer Vision
A Novel Monte Carlo Noise Reduction Operator
IEEE Computer Graphics and Applications
Advanced Global Illumination
A gentle introduction to bilateral filtering and its applications
ACM SIGGRAPH 2007 courses
Multidimensional adaptive sampling and reconstruction for ray tracing
ACM SIGGRAPH 2008 papers
ACM Transactions on Graphics (TOG)
Gaussian KD-trees for fast high-dimensional filtering
ACM SIGGRAPH 2009 papers
Frequency analysis and sheared reconstruction for rendering motion blur
ACM SIGGRAPH 2009 papers
ACM SIGGRAPH Asia 2009 papers
Physically Based Rendering, Second Edition: From Theory To Implementation
Physically Based Rendering, Second Edition: From Theory To Implementation
Edge-avoiding À-Trous wavelet transform for fast global illumination filtering
Proceedings of the Conference on High Performance Graphics
A local image reconstruction algorithm for stochastic rendering
I3D '11 Symposium on Interactive 3D Graphics and Games
Frequency analysis and sheared filtering for shadow light fields of complex occluders
ACM Transactions on Graphics (TOG)
Temporal light field reconstruction for rendering distribution effects
ACM SIGGRAPH 2011 papers
Adaptive sampling and reconstruction using greedy error minimization
Proceedings of the 2011 SIGGRAPH Asia Conference
Practical filtering for efficient ray-traced directional occlusion
Proceedings of the 2011 SIGGRAPH Asia Conference
On filtering the noise from the random parameters in Monte Carlo rendering
ACM Transactions on Graphics (TOG)
Reconstructing the indirect light field for global illumination
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
Image Denoising by Sparse 3-D Transform-Domain Collaborative Filtering
IEEE Transactions on Image Processing
Adaptive rendering with non-local means filtering
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
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This article proposes a new multiscale filter accelerating Monte Carlo renderer. Each pixel in the image is characterized by the colors of the rays that reach its surface. The proposed filter uses a statistical distance to compare with each other the ray color distributions associated with different pixels, at each scale. Based on this distance, it decides whether two pixels can share their rays or not. This simple and easily reproducible algorithm provides a psnr gain of 10 to 15 decibels, or equivalently accelerates the rendering process by using 10 to 30 times fewer samples without observable bias. The algorithm is consistent, does not assume a particular noise model, and is immediately extendable to synthetic movies. Being based on the ray color values only, it can be combined with all rendering effects.