SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
Rapid, stable fluid dynamics for computer graphics
SIGGRAPH '90 Proceedings of the 17th 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
Non-linear approximation of reflectance functions
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
A practical analytic model for daylight
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Principles of Digital Image Synthesis
Principles of Digital Image Synthesis
A Method for Modeling and Rendering Dunes with Wind-Ripples
PG '00 Proceedings of the 8th Pacific Conference on Computer Graphics and Applications
Field Guide to Digital Color
Robust monte carlo methods for light transport simulation
Robust monte carlo methods for light transport simulation
PG '03 Proceedings of the 11th Pacific Conference on Computer Graphics and Applications
Image synthesis using adjoint photons
GI '06 Proceedings of Graphics Interface 2006
ACM SIGGRAPH 2009 papers
Digital Modeling of Material Appearance
Digital Modeling of Material Appearance
EGWR'99 Proceedings of the 10th Eurographics conference on Rendering
Granular material deposition for simulation and texturing
AMDO'12 Proceedings of the 7th international conference on Articulated Motion and Deformable Objects
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Sand is one of the most complex materials found in nature. Undeniably the correct modelling of its appearance attributes (such as hue, lightness, and glossiness) is essential to the realistic image synthesis of a wide range of outdoor scenes. Despite this central role, to date, few simulation efforts have been specifically directed to this ubiquitous material. In this paper, we present a modular framework for simulating the appearance of sandy landscapes. It is based on the use of a comprehensive light transport model specifically designed for granular materials like sand, and robust numerical reconstruction methods. While the former provides the physical basis for the generation of predictive results, the latter add efficiency to entire simulation process by enabling the use of analytical formulae to represent the spectral and spatial (scattering related) appearance attributes of sand. The fidelity and usefulness of the proposed framework are demonstrated through several image sequences depicting sand appearance variations resulting from changes of mineralogical characteristics and environmental conditions.