SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
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
Display of Surfaces from Volume Data
IEEE Computer Graphics and Applications
Efficient algorithms for local and global accessibility shading
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Accelerated volume rendering and tomographic reconstruction using texture mapping hardware
VVS '94 Proceedings of the 1994 symposium on Volume visualization
Adding shadows to a texture-based volume renderer
VVS '98 Proceedings of the 1998 IEEE symposium on Volume visualization
An improved illumination model for shaded display
Communications of the ACM
Illumination for computer generated pictures
Communications of the ACM
Models of light reflection for computer synthesized pictures
SIGGRAPH '77 Proceedings of the 4th annual conference on Computer graphics and interactive techniques
Volumetric shadows using splatting
Proceedings of the conference on Visualization '02
Optical Models for Direct Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
Accessibility Analysis Using Computer Graphics Hardware
IEEE Transactions on Visualization and Computer Graphics
Multidimensional Transfer Functions for Interactive Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
The Heidelberg Ray Tracing Model
IEEE Computer Graphics and Applications
Fast, Realistic Lighting for Video Games
IEEE Computer Graphics and Applications
Shadows and Soft Shadows with Participating Media Using Splatting
IEEE Transactions on Visualization and Computer Graphics
A Model for Volume Lighting and Modeling
IEEE Transactions on Visualization and Computer Graphics
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
VG'01 Proceedings of the 2001 Eurographics conference on Volume Graphics
Light Collages: Lighting Design for Effective Visualization
VIS '04 Proceedings of the conference on Visualization '04
Interactive Display of Isosurfaces with Global Illumination
IEEE Transactions on Visualization and Computer Graphics
IEEE Transactions on Visualization and Computer Graphics
Enhancing interactive particle visualization with advanced shading models
APGV '06 Proceedings of the 3rd symposium on Applied perception in graphics and visualization
Real-Time Illustration of Vascular Structures
IEEE Transactions on Visualization and Computer Graphics
Ambient Occlusion and Edge Cueing for Enhancing Real Time Molecular Visualization
IEEE Transactions on Visualization and Computer Graphics
Enhancing Depth-Perception with Flexible Volumetric Halos
IEEE Transactions on Visualization and Computer Graphics
Advanced illumination techniques for GPU volume raycasting
ACM SIGGRAPH ASIA 2008 courses
Digital Modeling of Material Appearance
Digital Modeling of Material Appearance
Advanced illumination techniques for GPU-based volume raycasting
ACM SIGGRAPH 2009 Courses
ISVC '09 Proceedings of the 5th International Symposium on Advances in Visual Computing: Part I
Technical Section: Real-time ambient occlusion and halos with Summed Area Tables
Computers and Graphics
Technical Section: Viewpoint information channel for illustrative volume rendering
Computers and Graphics
Light-sensitive visualization of multimodal data for neurosurgical applications
ISBI'10 Proceedings of the 2010 IEEE international conference on Biomedical imaging: from nano to Macro
Evaluating depth perception of volumetric data in semi-immersive VR
Proceedings of the International Working Conference on Advanced Visual Interfaces
Color enhancement for rapid prototyping
VAST'08 Proceedings of the 9th International conference on Virtual Reality, Archaeology and Cultural Heritage
A case study: visualizing material point method data
EUROVIS'06 Proceedings of the Eighth Joint Eurographics / IEEE VGTC conference on Visualization
Isosurface ambient occlusion and soft shadows with filterable occlusion maps
SPBG'08 Proceedings of the Fifth Eurographics / IEEE VGTC conference on Point-Based Graphics
Obscurance-based volume rendering framework
SPBG'08 Proceedings of the Fifth Eurographics / IEEE VGTC conference on Point-Based Graphics
VG'07 Proceedings of the Sixth Eurographics / Ieee VGTC conference on Volume Graphics
Feature-driven ambient occlusion for direct volume rendering
VG'10 Proceedings of the 8th IEEE/EG international conference on Volume Graphics
Efficient acquisition and clustering of local histograms for representing voxel neighborhoods
VG'10 Proceedings of the 8th IEEE/EG international conference on Volume Graphics
Illustrative hybrid visualization and exploration of anatomical and functional brain data
EuroVis'08 Proceedings of the 10th Joint Eurographics / IEEE - VGTC conference on Visualization
A multidirectional occlusion shading model for direct volume rendering
EuroVis'10 Proceedings of the 12th Eurographics / IEEE - VGTC conference on Visualization
A directional occlusion shading model for interactive direct volume rendering
EuroVis'09 Proceedings of the 11th Eurographics / IEEE - VGTC conference on Visualization
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This paper presents a shading model for volumetric data which enhances the perception of surfaces within the volume. The model incorporates uniform diffuse illumination, which arrives equally from all directions at each surface point in the volume. This illumination is attenuated by occlusions in the local vicinity of the surface point, resulting in shadows in depressions and crevices. Experiments by other authors have shown that perception of a surface is superior under uniform diffuse lighting, compared to illumination from point source lighting.