Comprehensible rendering of 3-D shapes
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Efficient algorithms for local and global accessibility shading
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
A microfacet-based BRDF generator
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Unified Approach to Prefiltered Environment Maps
Proceedings of the Eurographics Workshop on Rendering Techniques 2000
The lit sphere: a model for capturing NPR shading from art
GRIN'01 No description on Graphics interface 2001
Suggestive contours for conveying shape
ACM SIGGRAPH 2003 Papers
GI '04 Proceedings of the 2004 Graphics Interface Conference
Ridge-valley lines on meshes via implicit surface fitting
ACM SIGGRAPH 2004 Papers
Curvature-Based Transfer Functions for Direct Volume Rendering: Methods and Applications
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Exaggerated shading for depicting shape and detail
ACM SIGGRAPH 2006 Papers
Distortion in 3D shape estimation with changes in illumination
Proceedings of the 4th symposium on Applied perception in graphics and visualization
Isophote distance: a shading approach to artistic stroke thickness
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Line drawings via abstracted shading
ACM SIGGRAPH 2007 papers
Apparent ridges for line drawing
ACM SIGGRAPH 2007 papers
The influence of shape on the perception of material reflectance
ACM SIGGRAPH 2007 papers
3D unsharp masking for scene coherent enhancement
ACM SIGGRAPH 2008 papers
Apparent relief: a shape descriptor for stylized shading
NPAR '08 Proceedings of the 6th international symposium on Non-photorealistic animation and rendering
The assumed light direction for perceiving shape from shading
Proceedings of the 5th symposium on Applied perception in graphics and visualization
Demarcating curves for shape illustration
ACM SIGGRAPH Asia 2008 papers
Laplacian lines for real-time shape illustration
Proceedings of the 2009 symposium on Interactive 3D graphics and games
Light warping for enhanced surface depiction
ACM SIGGRAPH 2009 papers
Multi-Scale Surface Descriptors
IEEE Transactions on Visualization and Computer Graphics
Dynamic stylized shading primitives
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering
Surface Relief Analysis for Illustrative Shading
Computer Graphics Forum
Edge-aware point set resampling
ACM Transactions on Graphics (TOG)
Proceedings of the 25ième conférence francophone on l'Interaction Homme-Machine
The Visual Computer: International Journal of Computer Graphics
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We present a novel technique called Radiance Scaling for the depiction of surface shape through shading. It adjusts reflected light intensities in a way dependent on both surface curvature and material characteristics. As a result, diffuse shading or highlight variations become correlated to surface feature variations, enhancing surface concavities and convexities. This approach is more versatile compared to previous methods. First, it produces satisfying results with any kind of material: we demonstrate results obtained with Phong and Ashikmin BRDFs, Cartoon shading, sub-Lambertian materials, and perfectly reflective or refractive objects. Second, it imposes no restriction on lighting environment: it does not require a dense sampling of lighting directions and works even with a single light. Third, it makes it possible to enhance surface shape through the use of precomputed radiance data such as Ambient Occlusion, Prefiltered Environment Maps or Lit Spheres. Our novel approach works in real-time on modern graphics hardware.