Environment mapping and other applications of world projections
IEEE Computer Graphics and Applications
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Fitting virtual lights for non-diffuse walkthroughs
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Recovering photometric properties of architectural scenes from photographs
Proceedings of the 25th 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
Realistic, hardware-accelerated shading and lighting
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Inverse global illumination: recovering reflectance models of real scenes from photographs
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Stylized rendering techniques for scalable real-time 3D animation
NPAR '00 Proceedings of the 1st international symposium on Non-photorealistic animation and rendering
Acquiring the reflectance field of a human face
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Texture and reflection in computer generated images
Communications of the ACM
Acquiring a Radiance Distribution to Superimpose Virtual Objects onto a Real Scene
IEEE Transactions on Visualization and Computer Graphics
An invitation to discuss computer depiction
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
Using Texture Synthesis for Non-Photorealistic Shading from Paint Samples
PG '03 Proceedings of the 11th Pacific Conference on Computer Graphics and Applications
Light Collages: Lighting Design for Effective Visualization
VIS '04 Proceedings of the conference on Visualization '04
Conveying Shape and Features with Image-Based Relighting
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Isoluminant color picking for non-photorealistic rendering
GI '05 Proceedings of Graphics Interface 2005
BRDF-Shop: Creating Physically Correct Bidirectional Reflectance Distribution Functions
IEEE Computer Graphics and Applications
IEEE Transactions on Visualization and Computer Graphics
X-toon: an extended toon shader
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
Illustration of complex real-world objects using images with normals
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Locally controllable stylized shading
ACM SIGGRAPH 2007 papers
ShapePalettes: interactive normal transfer via sketching
ACM SIGGRAPH 2007 papers
Semantic Layers for Illustrative Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
Radiance Scaling for versatile surface enhancement
Proceedings of the 2010 ACM SIGGRAPH symposium on Interactive 3D Graphics and Games
Dynamic stylized shading primitives
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering
Real-Time rendering of watercolor effects for virtual environments
PCM'04 Proceedings of the 5th Pacific Rim conference on Advances in Multimedia Information Processing - Volume Part III
Surface flows for image-based shading design
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
Surface Relief Analysis for Illustrative Shading
Computer Graphics Forum
Adding lighting and viewing effects to digital images
Computational Aesthetics'09 Proceedings of the Fifth Eurographics conference on Computational Aesthetics in Graphics, Visualization and Imaging
Real illumination from virtual environments
EGSR'05 Proceedings of the Sixteenth Eurographics conference on Rendering Techniques
Sketch and paint-based interface for highlight modeling
SBM'08 Proceedings of the Fifth Eurographics conference on Sketch-Based Interfaces and Modeling
Adaptive Cross-sections of Anatomical Models
Computer Graphics Forum
Interaction-dependent semantics for illustrative volume rendering
EuroVis'08 Proceedings of the 10th Joint Eurographics / IEEE - VGTC conference on Visualization
Depicting stylized materials with vector shade trees
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
Lit-Sphere extension for artistic rendering
The Visual Computer: International Journal of Computer Graphics
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While traditional graphics techniques provide for the realistic display of three-dimensional objects, these methods often lack the flexibility to emulate expressive effects found in the works of artists such as Michelangelo and Cezanne. We introduce a technique for capturing custom artistic shading models from sampled art work. Our goal is to allow users to easily generate shading models which give the impression of light, depth, and material properties as accomplished by artists. Our system provides real-time feedback to immediately illustrate aesthetic choices in shading model design, and to assist the user in the exploration of novel viewpoints. We describe rendering algorithms which are easily incorporated into existing shaders, making non-photorealistic rendering of materials such as skin, metal, or even painted objects fast and simple. The flexibility of these methods for generating shading models enables users to portray a large range of materials as well as to capture the look and feel of a work of art. (Color images can be found at http://www.cs.utah.edu/npr/papers/LitSphere_HTML.)