HapticV1, PascalFrancis, Curation, bibRecord, 000434

Haptic rendering based on spatial run-length encoding

Identifieur interne : 000434 ( PascalFrancis/Curation ); précédent : 000433; suivant : 000435

Haptic rendering based on spatial run-length encoding

Auteurs : Y. Chen [Hong Kong] ; Z. Yang

Source :

Robotics and Computer-Integrated Manufacturing [ 0736-5845 ] ; 2004.

RBID : Pascal:04-0185053

Descripteurs français

Pascal (Inist)
- Théorie, Codage symbolique, Usinage, Réalité virtuelle, Structure donnée, Equipement stockage donnée, Prévention esquive collision, Infographie tridimensionnelle, Algorithme, Simulation ordinateur, Conception assistée.
Wicri :
- topic : Réalité virtuelle.

English descriptors

KwdEn :
- Algorithms, Collision avoidance, Collision detection, Computer aided design, Computer simulation, Data storage equipment, Data structures, Encoding (symbols), Force model, Haptic rendering, Haptic shape modeling, Machining, Machining simulation, Run-length encoding (RLE), Theory, Three dimensional computer graphics, Virtual reality.

Abstract

In this paper, an extendable volumetric representation based on run-lengths called spatial run-length encoding (S-RLE) is presented. The S-RLE representation is developed for a haptic shape modeling system that is based on simulated machining processes. In the system, shape modeling is simulated as virtual material removal processes similar to machining processes with volume-based haptic rendering. The object and the tools are represented by S-RLE. The data structure of S-RLE consists of two cross-referenced databases: one is a stack of lists in geometrical domain, recording the runs describing the space occupation of the object; the other is a table in physical domain, describing the physical properties of each element. The latter is extendable to include more diverse physical properties such as parts composed of heterogeneous materials. Algorithms for geometric operations and haptic rendering based on S-RLE are developed. The proposed S-RLE data structure has the features of efficient memory usage, quick collision detection, inherent representation for heterogeneous objects, and fast visual rendering. © 2003 Elsevier Ltd. All rights reserved.

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C01	`01`		`ENG`	@0 In this paper, an extendable volumetric representation based on run-lengths called spatial run-length encoding (S-RLE) is presented. The S-RLE representation is developed for a haptic shape modeling system that is based on simulated machining processes. In the system, shape modeling is simulated as virtual material removal processes similar to machining processes with volume-based haptic rendering. The object and the tools are represented by S-RLE. The data structure of S-RLE consists of two cross-referenced databases: one is a stack of lists in geometrical domain, recording the runs describing the space occupation of the object; the other is a table in physical domain, describing the physical properties of each element. The latter is extendable to include more diverse physical properties such as parts composed of heterogeneous materials. Algorithms for geometric operations and haptic rendering based on S-RLE are developed. The proposed S-RLE data structure has the features of efficient memory usage, quick collision detection, inherent representation for heterogeneous objects, and fast visual rendering. © 2003 Elsevier Ltd. All rights reserved.
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Le document en format XML

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Haptic rendering based on spatial run-length encoding

Haptic rendering based on spatial run-length encoding

Source :

Descripteurs français

English descriptors

Abstract

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