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Priority-based haptic event filtering for transmission and error control in networked virtual environments

Identifieur interne : 000D03 ( PascalFrancis/Curation ); précédent : 000D02; suivant : 000D04

Priority-based haptic event filtering for transmission and error control in networked virtual environments

Auteurs : Seokhee Lee [Corée du Sud] ; Jongwon Kim [Corée du Sud]

Source :

RBID : Pascal:09-0473363

Descripteurs français

English descriptors

Abstract

A data filtering scheme is proposed for transmission and error control of haptic events in haptic-based network virtual environments; this scheme is called as priority-based haptic event filtering. Because a high update rate of approximately 1 kHz is required for haptic rendering, sophisticated transmission rate control and reduction schemes are necessary for the haptic events. Although existing schemes can reduce the transmission rate without any perception impairment, they are very sensitive to packet losses. In this paper, we prioritize the haptic events according to the delay and loss effects. Utilizing the proposed haptic event prioritization, the proposed filtering scheme adapts the transmission rate and updates the predicted loss rate according to the current network state. Our simulation and experiment results confirm that the proposed scheme can effectively select important haptic events and guarantee an improved haptic interaction quality over a bandwidth-limited lossy network than existing transmission schemes tailored for networked haptics.
pA  
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A08 01  1  ENG  @1 Priority-based haptic event filtering for transmission and error control in networked virtual environments
A11 01  1    @1 LEE (Seokhee)
A11 02  1    @1 KIM (Jongwon)
A14 01      @1 Networked Media Laboratory, Gwangju Institute of Science and Technology (GIST) @2 Gwangju @3 KOR @Z 1 aut. @Z 2 aut.
A20       @1 355-367
A21       @1 2009
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A60       @1 P
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C01 01    ENG  @0 A data filtering scheme is proposed for transmission and error control of haptic events in haptic-based network virtual environments; this scheme is called as priority-based haptic event filtering. Because a high update rate of approximately 1 kHz is required for haptic rendering, sophisticated transmission rate control and reduction schemes are necessary for the haptic events. Although existing schemes can reduce the transmission rate without any perception impairment, they are very sensitive to packet losses. In this paper, we prioritize the haptic events according to the delay and loss effects. Utilizing the proposed haptic event prioritization, the proposed filtering scheme adapts the transmission rate and updates the predicted loss rate according to the current network state. Our simulation and experiment results confirm that the proposed scheme can effectively select important haptic events and guarantee an improved haptic interaction quality over a bandwidth-limited lossy network than existing transmission schemes tailored for networked haptics.
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C03 01  X  ENG  @0 Filtering @5 01
C03 01  X  SPA  @0 Filtrado @5 01
C03 02  X  FRE  @0 Erreur transmission @5 02
C03 02  X  ENG  @0 Transmission error @5 02
C03 02  X  SPA  @0 Error transmisión @5 02
C03 03  X  FRE  @0 Réalité virtuelle @5 03
C03 03  X  ENG  @0 Virtual reality @5 03
C03 03  X  SPA  @0 Realidad virtual @5 03
C03 04  X  FRE  @0 Mise à jour @5 04
C03 04  X  ENG  @0 Updating @5 04
C03 04  X  SPA  @0 Actualización @5 04
C03 05  X  FRE  @0 Taux transmission @5 05
C03 05  X  ENG  @0 Transmission rate @5 05
C03 05  X  SPA  @0 Relación transmisión @5 05
C03 06  X  FRE  @0 Régulation débit @5 06
C03 06  X  ENG  @0 Flow rate regulation @5 06
C03 06  X  SPA  @0 Regulación caudal @5 06
C03 07  X  FRE  @0 Perte transmission @5 07
C03 07  X  ENG  @0 Transmission loss @5 07
C03 07  X  SPA  @0 Pérdida transmisión @5 07
C03 08  X  FRE  @0 Temps retard @5 08
C03 08  X  ENG  @0 Delay time @5 08
C03 08  X  SPA  @0 Tiempo retardo @5 08
C03 09  X  FRE  @0 Système attente @5 09
C03 09  X  ENG  @0 Queueing system @5 09
C03 09  X  SPA  @0 Sistema fila espera @5 09
C03 10  X  FRE  @0 Affectation priorité @5 10
C03 10  X  ENG  @0 Priority assignment @5 10
C03 10  X  SPA  @0 Asignación prioridad @5 10
C03 11  X  FRE  @0 Taux perte @5 11
C03 11  X  ENG  @0 Loss rate @5 11
C03 11  X  SPA  @0 Porcentaje pérdida @5 11
C03 12  X  FRE  @0 Simulation @5 12
C03 12  X  ENG  @0 Simulation @5 12
C03 12  X  SPA  @0 Simulación @5 12
C03 13  X  FRE  @0 Milieu dissipatif @5 13
C03 13  X  ENG  @0 Lossy medium @5 13
C03 13  X  SPA  @0 Medio dispersor @5 13
C03 14  X  FRE  @0 Régulation trafic @5 31
C03 14  X  ENG  @0 Traffic control @5 31
C03 14  X  SPA  @0 Regulación tráfico @5 31
C03 15  X  FRE  @0 Transmission donnée @5 32
C03 15  X  ENG  @0 Data transmission @5 32
C03 15  X  SPA  @0 Transmisión datos @5 32
C03 16  X  FRE  @0 Gestion trafic @5 33
C03 16  X  ENG  @0 Traffic management @5 33
C03 16  X  SPA  @0 Gestión tráfico @5 33
C03 17  X  FRE  @0 Télétrafic @5 34
C03 17  X  ENG  @0 Teletraffic @5 34
C03 17  X  SPA  @0 Teletráfico @5 34
N21       @1 341
N44 01      @1 OTO
N82       @1 OTO

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Pascal:09-0473363

Le document en format XML

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   |étape=   Curation
   |type=    RBID
   |clé=     Pascal:09-0473363
   |texte=   Priority-based haptic event filtering for transmission and error control in networked virtual environments
}}

Wicri

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