Haptic and graphic rendering of deformable objects based on GPUs

M. de Pascale, G. de Pascale, D. Prattichizzo
Dipartimento di Ingegneria dell’Informazione, via Roma 56 – Siena 53100, Italy
IEEE 6th Workshop on Multimedia Signal Processing, 2004


   title={Haptic and graphic rendering of deformable objects based on gpus},

   author={de Pascale, M. and de Pascale, G. and Prattichizzo, D.},

   booktitle={Multimedia Signal Processing, 2004 IEEE 6th Workshop on},





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In this paper we present a new method for real-time interactive haptic and graphic rendering of complex objects locally deformed by multiple contacts. Core algorithms have been designed to be executable also on videoboard’s GPU, thus taking advantage of parallel matrix and vector computational power. Although complex physical simulation has been simplified to run on GPUs, results are characterized by high visio-tactile realism perceived by users. Graphical rendering algorithms can be easily added to pre-existing vertex shaders/programs. The proposed method makes use of common triangular meshes, thus making the method a good choice when adding haptic feedback to existing graphical applications.
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