Comprehensible rendering of 3-D shapes
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
A non-photorealistic lighting model for automatic technical illustration
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Volume illustration: non-photorealistic rendering of volume models
Proceedings of the conference on Visualization '00
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Maximum entropy light source placement
Proceedings of the conference on Visualization '02
Illustration Motifs for Effective Medical Volume Illustration
IEEE Computer Graphics and Applications
Conveying Shape and Features with Image-Based Relighting
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
IEEE Transactions on Visualization and Computer Graphics
Exaggerated shading for depicting shape and detail
ACM SIGGRAPH 2006 Papers
Image enhancement by unsharp masking the depth buffer
ACM SIGGRAPH 2006 Papers
Real-Time Illustration of Vascular Structures
IEEE Transactions on Visualization and Computer Graphics
Efficient histogram generation using scattering on GPUs
Proceedings of the 2007 symposium on Interactive 3D graphics and games
Stippling and silhouettes rendering in geometry-image space
EGSR'05 Proceedings of the Sixteenth Eurographics conference on Rendering Techniques
Combining silhouettes, surface, and volume rendering for surgery education and planning
EUROVIS'05 Proceedings of the Seventh Joint Eurographics / IEEE VGTC conference on Visualization
Hardware-accelerated stippling of surfaces derived from medical volume data
EUROVIS'07 Proceedings of the 9th Joint Eurographics / IEEE VGTC conference on Visualization
Adapted surface visualization of cerebral aneurysms with embedded blood flow information
EG VCBM'10 Proceedings of the 2nd Eurographics conference on Visual Computing for Biology and Medicine
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In this paper, we introduce a new framework for the illustrative visualization of medical surface data. In most visualization frameworks, only light intensity is used to determine the surface shading. The analysis of medical textbooks reveals more complex shading approaches. The parameters of these approaches are mapped to different Shading Maps, which may be weighted and flexibly combined. We discuss the use of high-level attributes to simplify the specification. The resulting Shading Mapis used as a lookup to determine the final intensity at a certain area. For this purpose, the rendering is accomplished on GPU by using OpenGL's Framebuffer Objects. This framework may be useful for interactive educational systems or for medical record printings.