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Urban Reconstruction and Modeling for Building Virtual Worlds

Google Tech TalksMarch, 11 2008ABSTRACTCreating digital content for virtual worlds remains a significantchallenge, especially for urban environments, which are among thelargest and most complex. As display capabilities improve and audienceexpectations grow, procedural modeling techniques are becoming anincreasingly important supplement to traditional modeling software. Inthis talk, we present grammar-based, image-based and interactivemethods for the efficient creation of urban environments. Thus massivearchitectural models of high visual quality and geometric detail canbe produced at low cost. Selected examples demonstrate solutions topreviously unsolved modeling problems, especially to consistent massmodeling with volumetric shapes of arbitrary orientation. Furthermore,we show massive urban models with unprecedented level of detail, withthe virtual rebuilding of the archaeological site of Pompeii as a casein point.Speaker: Peter WonkaPeter Wonka joined the computer science faculty of Arizona StateUniversity as Assistent Professor in 2004 after two years as apost-doctorate researcher at the Georgia Institute of Technology. Hereceived his Ph.D. in computer science from the Vienna University ofTechnology in 2001 and a masters degree in urban planning in 2002. Hisresearch interests include various topics in computer graphics,especially real-time rendering and procedural modeling. Peter Wonka isa member of the PRISM lab ( Pascal MuellerPascal Mueller is researcher at the Computer Vision Laboratory of theETH Zurich ( and CEO of the recently foundedspin-off company Procedural Inc. ( locatedin Zurich, Switzerland. His main interests lie in the field ofcomputer graphics: procedural modeling, generative design, visualeffects production pipelines and computer-aided media art. Hedeveloped the architectural modeling tool CityEngine and isco-developer of the multimedia engine Soundium. He has publishedvarious scientific papers including SIGGRAPH, and his body of artisticwork includes videos, short movies, over fifty live visualsperformances, and several interactive installations exhibited inmuseums like the Ars Electronica Center. Pascal Mueller received amaster degree in computer science from ETH Zurich in 2001. For twoyears, he worked as a 3D artist and technical director for the Swissproduction company Central Pictures.
Length: 58:53


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