HapticV1, PascalFrancis, Corpus, bibRecord, 000903

Using curvature information in haptic shape perception of 3D objects

Identifieur interne : 000903 ( PascalFrancis/Corpus ); précédent : 000902; suivant : 000904

Using curvature information in haptic shape perception of 3D objects

Auteurs : Bernard J. Van Der Horst ; Astrid M. L. Kappers

Source :

Experimental brain research [ 0014-4819 ] ; 2008.

RBID : Pascal:08-0443225

Descripteurs français

Pascal (Inist)
- Courbure, Préhension, Main, Homme, Perception haptique.

English descriptors

KwdEn :
- Curvature, Gripping, Hand, Haptic perception, Human.

Abstract

Are humans able to perceive the circularity of a cylinder that is grasped by the hand? This study presents the findings of an experiment in which cylinders with a circular cross-section ha.d to be distinguished from cylinders with an elliptical cross-section. For comparison, the ability to distinguish a square cuboid from a rectangular cuboid was also investigated. Both elliptical and rectangular shapes can be characterized by the aspect ratio, but elliptical shapes also contain curvature information. We found that an elliptical shape with an aspect ratio of only 1.03 could be distinguished from a circular shape both in static and dynamic touch. However, for a rectangular shape, the aspect ratio needed to be about 1.11 for dynamic touch and 1.15 for static touch in order to be discernible from a square shape. We conclude that curvature information can be employed in a reliable and efficient manner in the perception of 3D shapes by touch.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`01`	`1`		`@1 VAN DER HORST (Bernard J.)`
A11	`02`	`1`		`@1 KAPPERS (Astrid M. L.)`
A14	`01`			`@1 Department of Physics of Man, Helmholtz Instituut, Universiteit Utrecht, Princetonplein 5 @2 3584 CC Utrecht @3 NLD @Z 1 aut. @Z 2 aut.`
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Format Inist (serveur)

NO :	PASCAL 08-0443225 INIST
ET :	Using curvature information in haptic shape perception of 3D objects
AU :	VAN DER HORST (Bernard J.); KAPPERS (Astrid M. L.)
AF :	Department of Physics of Man, Helmholtz Instituut, Universiteit Utrecht, Princetonplein 5/3584 CC Utrecht/Pays-Bas (1 aut., 2 aut.)
DT :	Publication en série; Niveau analytique
SO :	Experimental brain research; ISSN 0014-4819; Coden EXBRAP; Allemagne; Da. 2008; Vol. 190; No. 3; Pp. 361-367; Bibl. 1/2 p.
LA :	Anglais
EA :	Are humans able to perceive the circularity of a cylinder that is grasped by the hand? This study presents the findings of an experiment in which cylinders with a circular cross-section ha.d to be distinguished from cylinders with an elliptical cross-section. For comparison, the ability to distinguish a square cuboid from a rectangular cuboid was also investigated. Both elliptical and rectangular shapes can be characterized by the aspect ratio, but elliptical shapes also contain curvature information. We found that an elliptical shape with an aspect ratio of only 1.03 could be distinguished from a circular shape both in static and dynamic touch. However, for a rectangular shape, the aspect ratio needed to be about 1.11 for dynamic touch and 1.15 for static touch in order to be discernible from a square shape. We conclude that curvature information can be employed in a reliable and efficient manner in the perception of 3D shapes by touch.
CC :	002A25E; 002B29C02
FD :	Courbure; Préhension; Main; Homme; Perception haptique
ED :	Curvature; Gripping; Hand; Human; Haptic perception
SD :	Curvatura; Prension; Mano; Hombre
LO :	INIST-12535.354000185235490110
ID :	08-0443225

Links to Exploration step

Pascal:08-0443225

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Using curvature information in haptic shape perception of 3D objects

Using curvature information in haptic shape perception of 3D objects

Source :

Descripteurs français

English descriptors

Abstract

Notice en format standard (ISO 2709)

Format Inist (serveur)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri