Wavelength selection for synthetic image generation
Computer Vision, Graphics, and Image Processing
A comprehensive physical model for light reflection
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
Wavelength dependent reflectance functions
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
A Reflectance Model for Computer Graphics
ACM Transactions on Graphics (TOG)
A BRDF Postprocess to Integrate Porosity on Rendered Surfaces
IEEE Transactions on Visualization and Computer Graphics
A simple layered RGB BRDF model
Graphical Models - Special issue on Pacific graphics 2002
Arbitrarily layered micro-facet surfaces
Proceedings of the 5th international conference on Computer graphics and interactive techniques in Australia and Southeast Asia
Rendering the effect of labradoescence
Proceedings of Graphics Interface 2009
Exploring the potential of layered BRDF models
ACM SIGGRAPH ASIA 2009 Courses
Thinking in layers: modeling with layered materials
SIGGRAPH Asia 2011 Courses
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A new physically-based illumination model describing the interaction of light with a system composed of an isotropic substrate coated by an isotropic film with geometrically identical statistical rough boundaries (ITF) is presented. This model divides the intensity reflected from the system into three components: specular, directional-diffuse and uniform diffuse intensity. The formulas for the intensity reflected coherently (specular) and incoherently (directionaldiffuse) from the system are derived within the framework of the scalar diffraction theory. Assuming that the slopes on the boundaries of the film are small, a first-order expansion of the reflection coefficient is used in the evaluation of the Helmholtz-Kirchhoff integral which allows to calculate the previous intensities. The consistency of the model is evaluated numerically and appraised visually by comparison with classic approximations.