Real-time wetting of porous media

• Autorzy: Hnat K. , Porquet D. , Merillou S. , Ghazanfarpour D.
• Konferencja: International Conference on Computer Vision and Graphics ICCVG 2006 (25-27.09.2006 ; Warsaw, Poland)
• Języki publikacji: EN

Abstrakty

EN

Studying light reflection properties is a crucial factor in achieving a high degree of realism in image synthesis. Considered as a challenge in itself, it becomes even more complicated when dealing with specific changes in appearance due to external factors. Among these changes, one of the most common is wetting: surfaces appear darker and more specular as their wetting level increase. Such a phenomenon is of great visual importance in outdoor scenes under rain falls, for example. This change in appearance is mainly due to the porous nature of surfaces. In this paper, we propose to handle a porous surface BRDF post-process model in real-time and to extend it to account for wetting, with simple and intuitive parameters.

Słowa kluczowe

EN

shading; porosity; weathering; wetting; real-time rendering

• Wydawca: Institute of Information Technology of the Warsaw University of Life Sciences – SGGW
• Czasopismo: Machine Graphics and Vision
• Rocznik: 2006
• Tom: Vol. 15, No. 3/4
• Strony: 401--413
• Opis fizyczny: Bibliogr. 13 poz., il., tab., wykr.

Twórcy

autor

Hnat K.

autor

Porquet D.

autor

Merillou S.

autor

Ghazanfarpour D.

• Laboratoire XLIM UMR 7162, Université de Limoges,

Bibliografia

• [1] Blinn James F.: Models of light reflection for computer synthesized pictures. In Proceedings of the 4th annual conference on Computer graphics and interactive techniques, pages 192-198. ACM Press, 1977.
• [2] Blinn James F.: Simulation of wrinkled surfaces. In Proceedings of the 5th annual conference on Computer graphics and interactive techniques, pages 286-292. ACM Press, 1978.
• [3] Cook Robert L.: Shade trees. In Proceedings of the 11th annual conference on Computer graphics and interactive techniques, pages 223-231. ACM Press, 1984.
• [4] Brinker C. J., Scherer G. W.: Sol-gel science. Harcourt Brace and Company Publishers, SanDiego, 1990, 1990.
• [5] Nakamae Eihachiro, Kaneda Kazufumi, Okamoto Takashi, Nishita Tomoyuki: A lighting model aiming at drive simulators. SIGGRAPH Comput. Graph., 24(4):395-404, 1990.
• [6] Glassner Andrew S.: Principles of digital image synthesis. Morgan Kaufmann Publishers Inc, 1994.
• [7] Jensen H. W., Legakis J., Dorsey J.: Rendering of wet materials. In Eds. D. Lischinski and G. W. Larson, editors, Rendering Techniques V 99, pages 273-282, 1999.
• [8] Merillou S., Dischler J.-M., Ghazanfarpour D.: A BRDF post-process to integrate porosity on rendered surfaces. In IEEE Transaction on Vizualisation and Computer Graphics, volume 6, pages 306-318, 2000.
• [9] Lu J., Georghiades A. S., Rushmeier H., Dorsey J., Xu C.: Synthesis of material drying history: Phenonmenon modeling, transferring and rendering. Eurographics Workshop on Natural Phenomena, pages 9-16, 2005.
• [10] Youquan Liu, Hongbin Zhu, Xuehui Liu, Enhua Wu. Real-time simulation of physically based on-surface flow. The Visual Computer (Pacific Graphics 2005 issue), 2005.
• [11] Nvidia corporation http://developer.nvidia.com, 2005.