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Titolo:
ACTIVE VISION AND THE IDENTIFICATION OF 3-DIMENSIONAL SHAPE
Autore:
VANDAMME WJM; VANDEGRIND WA;
Indirizzi:
UNIV UTRECHT,UTRECHT BIOPHYS RES INST,PADUALAAN 8 3584 CH UTRECHT NETHERLANDS UNIV UTRECHT,DEPT COMPARAT PHYSIOL 3584 CH UTRECHT NETHERLANDS
Titolo Testata:
Vision research
fascicolo: 11, volume: 33, anno: 1993,
pagine: 1581 - 1587
SICI:
0042-6989(1993)33:11<1581:AVATIO>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
MOTION PARALLAX; KINETIC DEPTH; OPTIC FLOW; PERCEPTION; CONTOURS; MOVEMENT;
Keywords:
ACTIVE VISION; 3-DIMENSIONAL SHAPE PERCEPTION; SHAPE INDEX;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
24
Recensione:
Indirizzi per estratti:
Citazione:
W.J.M. Vandamme e W.A. Vandegrind, "ACTIVE VISION AND THE IDENTIFICATION OF 3-DIMENSIONAL SHAPE", Vision research, 33(11), 1993, pp. 1581-1587

Abstract

We examined the performance of human observers to identify three-dimensional (3D) shape from motion induced by exploratory head movements. Subjects categorized 3D quadratic surfaces with randomly chosen shape but with a fixed amount of curvature in one of eight shape categories. Human observers had their best performance with convex parabolic and concave parabolic shapes, but had more difficulties in identifying thehyperbolic shapes. The identification of 3D shape was not significantly influenced by the amount of curvature. This means that our description of 3D shape closely matches the intuitive notion of shape, and that its use in 3D shape perception tasks is justified.

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Documento generato il 03/12/20 alle ore 04:20:46