Photosimulation interreflection with arbitrary reflection models and illumination
Computer Graphics Forum
Measuring and modeling anisotropic reflection
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Modeling pigmented materials for realistic image synthesis
ACM Transactions on Graphics (TOG)
Reflection from layered surfaces due to subsurface scattering
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Generalization of Lambert's reflectance model
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Modeling and rendering of metallic patinas
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
A Reflectance Model for Computer Graphics
ACM Transactions on Graphics (TOG)
A Physically-Based BRDF Model for Multilayer Systems with Uncorrelated Rough Boundaries
Proceedings of the Eurographics Workshop on Rendering Techniques 2000
Rendering Iridescent Colors Appearing on Natural Objects
PG '00 Proceedings of the 8th Pacific Conference on Computer Graphics and Applications
A simple layered RGB BRDF model
Graphical Models - Special issue on Pacific graphics 2002
Reverse engineering approach to appearance-based design of metallic and pearlescent paints
The Visual Computer: International Journal of Computer Graphics
A reflectance model for diffuse fluorescent surfaces
Proceedings of the 4th international conference on Computer graphics and interactive techniques in Australasia and Southeast Asia
Arbitrarily layered micro-facet surfaces
Proceedings of the 5th international conference on Computer graphics and interactive techniques in Australia and Southeast Asia
A layered, heterogeneous reflectance model for acquiring and rendering human skin
ACM SIGGRAPH Asia 2008 papers
Rendering the effect of labradoescence
Proceedings of Graphics Interface 2009
Modeling aventurescent gems with procedural textures
Proceedings of the 24th Spring Conference on Computer Graphics
Experimental analysis of BRDF models
EGSR'05 Proceedings of the Sixteenth Eurographics conference on Rendering Techniques
EGWR'99 Proceedings of the 10th Eurographics conference on Rendering
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This course serves as a guide to the considerable potential of layered surface models that are available in many commercial products. The key advantage of using such layered materials over traditional shading language constructs is that the end result is highly physically plausible because it simulates real materials more precisely. However, this does not mean that these models cannot be used for artistic purposes. Using simple layered surface models, we demonstrate how a surprisingly large number of interesting and important surface types can be efficiently represented. We also show how handy such an approach is for the end-user, whose main concern is the ease with which one can describe object appearance based only on a few intuitive parameters. We first discuss layered surface models in general and the constraints of modeling object appearance in a physically plausible fashion by explaining basic material properties. We then demonstrate the techniques that are used to analyze such materials, both for high quality offline rendering as well as in a realtime setting. We then give examples of the surface types that can be described in this way and demonstrate how we create them in our company.