HapticV1, PascalFrancis, Corpus, bibRecord, 000B29

Roughness perception in haptic virtual reality for sighted and blind people

Identifieur interne : 000B29 ( PascalFrancis/Corpus ); précédent : 000B28; suivant : 000B30

Roughness perception in haptic virtual reality for sighted and blind people

Auteurs : Diana Kornbrot ; Paul Penn ; Helen Petrie ; Stephen Furner ; Andrew Hardwick

Source :

Perception & psychophysics [ 0031-5117 ] ; 2007.

RBID : Pascal:07-0381672

Descripteurs français

Pascal (Inist)
- Perception, Sensibilité tactile, Réalité virtuelle, Cécité, Etude expérimentale, Fonction psychométrique, Psychophysique, Rugosité, Homme.

English descriptors

KwdEn :
- Blindness, Experimental study, Human, Perception, Psychometric function, Psychophysics, Roughness, Tactile sensitivity, Virtual reality.

Abstract

Psychophysical functions for perceived roughness, relating In (magnitude estimate of roughness) to In (groove width), were obtained for blind and sighted participants in virtual reality using the PHANToM force feedback device. The stimuli were sinusoidal surfaces with groove widths between 0.675 mm and 20.700 mm. Group functions showed a similar nonlinearity to those obtained in physical reality using rigid probes (Klatzky, Lederman, Hamilton, Grindley, & Swendsen, 2003; Lederman, Klatzky, Hamilton, & Ramsay, 1999). Individual functions gave a different picture. Of 23 total participants, there were 13 with wholly descending linear psychometric functions, 7 with quadratic functions similar to the group function, and 3 with anomalous functions. Individual power law exponents showed no significant effects of visual status. All analyses gave a power law exponent close to -0.80. The implications for theories of roughness, methodologies of data analysis, and the design of haptic virtual reality interfaces are considered.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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Format Inist (serveur)

NO :	PASCAL 07-0381672 INIST
ET :	Roughness perception in haptic virtual reality for sighted and blind people
AU :	KORNBROT (Diana); PENN (Paul); PETRIE (Helen); FURNER (Stephen); HARDWICK (Andrew)
AF :	University of Hertfordshire/Hatfield/Royaume-Uni (1 aut., 2 aut., 3 aut.); BT Group Chief Technology Office/Royaume-Uni (4 aut., 5 aut.)
DT :	Publication en série; Niveau analytique
SO :	Perception & psychophysics; ISSN 0031-5117; Coden PEPSBJ; Etats-Unis; Da. 2007; Vol. 69; No. 4; Pp. 502-512; Bibl. 1 p.
LA :	Anglais
EA :	Psychophysical functions for perceived roughness, relating In (magnitude estimate of roughness) to In (groove width), were obtained for blind and sighted participants in virtual reality using the PHANToM force feedback device. The stimuli were sinusoidal surfaces with groove widths between 0.675 mm and 20.700 mm. Group functions showed a similar nonlinearity to those obtained in physical reality using rigid probes (Klatzky, Lederman, Hamilton, Grindley, & Swendsen, 2003; Lederman, Klatzky, Hamilton, & Ramsay, 1999). Individual functions gave a different picture. Of 23 total participants, there were 13 with wholly descending linear psychometric functions, 7 with quadratic functions similar to the group function, and 3 with anomalous functions. Individual power law exponents showed no significant effects of visual status. All analyses gave a power law exponent close to -0.80. The implications for theories of roughness, methodologies of data analysis, and the design of haptic virtual reality interfaces are considered.
CC :	002A26E05; 002A26N04
FD :	Perception; Sensibilité tactile; Réalité virtuelle; Cécité; Etude expérimentale; Fonction psychométrique; Psychophysique; Rugosité; Homme
FG :	Oeil pathologie; Trouble vision
ED :	Perception; Tactile sensitivity; Virtual reality; Blindness; Experimental study; Psychometric function; Psychophysics; Roughness; Human
EG :	Eye disease; Vision disorder
SD :	Percepción; Sensibilidad tactil; Realidad virtual; Ceguera; Estudio experimental; Funcíon psichometrica; Psicofísica; Rugosidad; Hombre
LO :	INIST-14257.354000146723650030
ID :	07-0381672

Links to Exploration step

Pascal:07-0381672

Le document en format XML

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<front><div type="abstract" xml:lang="en">Psychophysical functions for perceived roughness, relating In (magnitude estimate of roughness) to In (groove width), were obtained for blind and sighted participants in virtual reality using the PHANToM force feedback device. The stimuli were sinusoidal surfaces with groove widths between 0.675 mm and 20.700 mm. Group functions showed a similar nonlinearity to those obtained in physical reality using rigid probes (Klatzky, Lederman, Hamilton, Grindley, & Swendsen, 2003; Lederman, Klatzky, Hamilton, & Ramsay, 1999). Individual functions gave a different picture. Of 23 total participants, there were 13 with wholly descending linear psychometric functions, 7 with quadratic functions similar to the group function, and 3 with anomalous functions. Individual power law exponents showed no significant effects of visual status. All analyses gave a power law exponent close to -0.80. The implications for theories of roughness, methodologies of data analysis, and the design of haptic virtual reality interfaces are considered.</div>
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<ET>Roughness perception in haptic virtual reality for sighted and blind people</ET>
<AU>KORNBROT (Diana); PENN (Paul); PETRIE (Helen); FURNER (Stephen); HARDWICK (Andrew)</AU>
<AF>University of Hertfordshire/Hatfield/Royaume-Uni (1 aut., 2 aut., 3 aut.); BT Group Chief Technology Office/Royaume-Uni (4 aut., 5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Perception & psychophysics; ISSN 0031-5117; Coden PEPSBJ; Etats-Unis; Da. 2007; Vol. 69; No. 4; Pp. 502-512; Bibl. 1 p.</SO>
<LA>Anglais</LA>
<EA>Psychophysical functions for perceived roughness, relating In (magnitude estimate of roughness) to In (groove width), were obtained for blind and sighted participants in virtual reality using the PHANToM force feedback device. The stimuli were sinusoidal surfaces with groove widths between 0.675 mm and 20.700 mm. Group functions showed a similar nonlinearity to those obtained in physical reality using rigid probes (Klatzky, Lederman, Hamilton, Grindley, & Swendsen, 2003; Lederman, Klatzky, Hamilton, & Ramsay, 1999). Individual functions gave a different picture. Of 23 total participants, there were 13 with wholly descending linear psychometric functions, 7 with quadratic functions similar to the group function, and 3 with anomalous functions. Individual power law exponents showed no significant effects of visual status. All analyses gave a power law exponent close to -0.80. The implications for theories of roughness, methodologies of data analysis, and the design of haptic virtual reality interfaces are considered.</EA>
<CC>002A26E05; 002A26N04</CC>
<FD>Perception; Sensibilité tactile; Réalité virtuelle; Cécité; Etude expérimentale; Fonction psychométrique; Psychophysique; Rugosité; Homme</FD>
<FG>Oeil pathologie; Trouble vision</FG>
<ED>Perception; Tactile sensitivity; Virtual reality; Blindness; Experimental study; Psychometric function; Psychophysics; Roughness; Human</ED>
<EG>Eye disease; Vision disorder</EG>
<SD>Percepción; Sensibilidad tactil; Realidad virtual; Ceguera; Estudio experimental; Funcíon psichometrica; Psicofísica; Rugosidad; Hombre</SD>
<LO>INIST-14257.354000146723650030</LO>
<ID>07-0381672</ID>
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Roughness perception in haptic virtual reality for sighted and blind people

Roughness perception in haptic virtual reality for sighted and blind people

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