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M. Agus F. Bettio E. Gobbetti F. Marton G. Pintore A. Zorcolo

Advances in massive model visualization in the CYBERSAR project. M. Agus F. Bettio E. Gobbetti F. Marton G. Pintore A. Zorcolo CRS4, Visual Computing POLARIS, Ed. 1 C.P. 25 – I-09010 Pula (CA) ITALY http://www.crs4.it/vic. Abstract

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M. Agus F. Bettio E. Gobbetti F. Marton G. Pintore A. Zorcolo

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  1. Advances in massive model visualization in the CYBERSAR project M. Agus F. Bettio E. Gobbetti F. Marton G. Pintore A. Zorcolo CRS4, Visual Computing POLARIS, Ed. 1 C.P. 25 – I-09010 Pula (CA) ITALY http://www.crs4.it/vic Abstract Despite the impressive improvements in graphics and computational hardware performance, interactive visualization of massive models still remains a challenging problem. This is mainly due to a combination of ever increasing model complexity with the current hardware design trend that leads to a widening gap between slow data access speed and fast parallel data processing speed. Developing efficient data access and management techniques, as well as methods running efficiently in data-parallel environments, is thus central to interactive large data visualization. To this end, we developed methods that exploit the programmability of latest generation graphics hardware, and combine coarse-grained multiresolution models, chunk-based data management with compression, incremental view-dependent level-of-detail selection, and visibility culling. The models that can be interactively rendered with our methods range from multi-gigabyte-sized datasets for general 3D meshes or scalar volumes, to terabyte-sized datasets in the restricted 2.5D case of digital terrain models. Such a performance enables novel ways of exploring massive datasets. In particular, we have demonstrated the capability of driving innovative light field displays able of giving multiple freely moving naked-eye viewers the illusion of seeing and manipulating massive 3D objects with continuous viewer-independent parallax. [7] Renato Pajarola and Enrico Gobbetti. Survey on Semi-Regular Multiresolution Models for Interactive Terrain Rendering. The Visual Computer, 23(8): 583-605, 2007. [8] Fabio Bettio, Enrico Gobbetti, Fabio Marton, and Giovanni Pintore. Multiresolution Visualization of Massive Models on a Large Spatial 3D Display. In Proc. Eurographics Symposium on Parallel Graphics and Visualization, May 2007. Eurographics Association. Aire-la-Ville, Switzerland. [9] Fabio Bettio, Enrico Gobbetti, Fabio Marton, and Giovanni Pintore. High-quality networked terrain rendering from compressed bitstreams. In Proc. ACM Web3D International Symposium. Pages 37-44, April 2007. ACM Press. New York, NY, USA. [10] Sung-eui Yoon, Andreas Dietrich, Enrico Gobbetti, Dinesh Manocha, Marco Agus, Fabio Marton, Renato Pajarola, and Philipp Slusallek. Interactive Massive Model Rendering. SIGGRAPH Asia 2008 Course Notes. SIGGRAPH Asia 2008, Singapore, December 2008. [11] David Kasik, Andreas Dietrich, Enrico Gobbetti, Dinesh Manocha, Fabio Marton, Philipp Slusallek, Abe Stephens, and Sung-eui Yoon. Massive Model Visualization Techniques. SIGGRAPH 2008 Course Notes. SIGGRAPH 2008, San Diego, August 2008. [12] David Kasik, Dinesh Manocha, Abe Stephens, Beat Bruderlin, Philipp Slusallek, Andreas Dietrich, Enrico Gobbetti, Fabio Marton, Wagner Correa, and Inigo Quilez. State of the Art in Massive Model Visualization. SIGGRAPH 2007 Course Notes. SIGGRAPH 2007, San Diego, August 2007. Bibliography [1] Marco Agus, Andrea Giachetti, Enrico Gobbetti, José Antonio Iglesias Guitián, and Fabio Marton. Towards advanced volumetric display of the human musculoskeletal system. In Eurographics Italian Chapter Conference. Eurographics Association, June 2008. [2] Enrico Gobbetti, Fabio Marton, and José Antonio Iglesias Guitián. A single-pass GPU ray casting framework for interactive out-of-core rendering of massive volumetric datasets. The Visual Computer, 24(7-9): 797-806, 2008. Proc. CGI 2008. [3] Enrico Gobbetti, Dave Kasik, and Sung-eui Yoon. Technical Strategies for Massive Model Visualization. In Proc. ACM Solid and Physical Modeling Symposium. Pages 405-415, 2008. ACM Press. New York, NY, USA. [4] Marco Agus, Enrico Gobbetti, José Antonio Iglesias Guitián, Fabio Marton, and Giovanni Pintore. GPU Accelerated Direct Volume Rendering on an Interactive Light Field Display. Computer Graphics Forum, 27(3): 231-240, 2008. Proc. Eurographics 2008. [5] Fabio Bettio, Enrico Gobbetti, Fabio Marton, and Giovanni Pintore. Scalable Rendering of Massive Triangle Meshes on Light Field Displays. Computers & Graphics, 32(1): 55-64, February 2008. [6] Andreas Dietrich, Enrico Gobbetti, and Sung-Eui Yoon. Massive-Model Rendering Techniques: A Tutorial. IEEE Computer Graphics and Applications, 27(6): 20-34, nov/dec 2007.

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