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Cornell University Program of Computer Graphics
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Scanning physical interaction behavior of 3d objects.

Dinesh K. Pai, Kees van den Doel, Doug L. James, Jochen Lang, John E. Lloyd, Joshua L. Richmond, and Som H. Yau.

In SIGGRAPH '01: Proceedings of the 28th annual conference on Computer graphics and interactive techniques, pages 87--96, New York, NY, USA, 2001. ACM Press.

We describe a system for constructing computer models of several aspects of physical interaction behavior, by scanning the response of real objects. The behaviors we can successfully scan and model include deformation response, contact textures for interaction with force-feedback, and contact sounds. The system we describe uses a highly automated robotic facility that can scan behavior models of whole objects. We provide a comprehensive view of the modeling process, including selection of model structure, measurement, estimation, and rendering at interactive rates. The results are demonstrated with two examples: a soft stuffed toy which has significant deformation behavior, and a hard clay pot which has significant contact textures and sounds.  The results described here make it possible to quickly construct physical interaction models of objects for applications in games, animation, and e-commerce.

The accompanying video is available as a QuickTime file PvdDJ+01.mpg

This paper is available as a PDF file PvdDJ+01.pdf (1.4M).

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