SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
Automatic Creation of Object Hierarchies for Ray Tracing
IEEE Computer Graphics and Applications
A rapid hierarchical radiosity algorithm
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
A clustering algorithm for radiosity in complex environments
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
SIGGRAPH '95 Proceedings of the 22nd annual conference on Computer graphics and interactive techniques
Visual models of plants interacting with their environment
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Computer-generated pen-and-ink illustration of trees
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Plant models faithful to botanical structure and development
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Radiosity: A Programmer's Perspective
Radiosity: A Programmer's Perspective
Radiosity and Global Illumination
Radiosity and Global Illumination
A Unified Hierarchical Algorithm for Global Illumination with Scattering Volumes and Object Clusters
IEEE Transactions on Visualization and Computer Graphics
Plane-Parallel Radiance Transport for Global Illumination in Vegetation
Proceedings of the Eurographics Workshop on Rendering Techniques '97
Hierarchical Instantiation for Radiosity
Proceedings of the Eurographics Workshop on Rendering Techniques 2000
Proceedings of the 20th spring conference on Computer graphics
Real-Time Illumination of Foliage Using Depth Maps
ICCS '08 Proceedings of the 8th international conference on Computational Science, Part II
Self-organizing tree models for image synthesis
ACM SIGGRAPH 2009 papers
A polar-plane-based method for natural illumination of plants and trees
Computers and Graphics
Quantifying the Degree of Self-Nestedness of Trees: Application to the Structural Analysis of Plants
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB)
Plastic trees: interactive self-adapting botanical tree models
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
Expressive illumination of foliage based on implicit surfaces
NPH'07 Proceedings of the Third Eurographics conference on Natural Phenomena
Interactive modeling of virtual ecosystems
NPH'09 Proceedings of the Fifth Eurographics conference on Natural Phenomena
Rendering trees with indirect lighting in real time
EGSR'08 Proceedings of the Nineteenth Eurographics conference on Rendering
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We describe a complete lighting simulation system tailored for the difficult case of vegetation scenes. Our algorithm is based on hierarchical instantiation for radiosity and precise phase function modeling. It allows efficient calculations both in terms of computation and memory resources. We provide an in-depth description and study of the instantiation-based radiosity technique and we address the problems related to generating and managing phase functions of plant structures, as needed by the instantiation process. We present results demonstrating the high performance of the hierarchical instantiation algorithm and we describe two examples of applications: rendering of large vegetation scenes and plant growth simulation. Other applications of our system range from landscape simulation to agronomical and agricultural studies, and to the design of virtual plants responding to their environment.