INVARIANT RESPONSES OF INFEROTEMPORAL CORTICAL NEURONS TO THE VIEWING ANGLE OF OBJECTS

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ESTEKI H.

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Journal Paper

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Journal: Physiology and Pharmacology Year:2001 | Volume:5 | Issue:1 Page(s): 3-12

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Information Journal Paper

Title

INVARIANT RESPONSES OF INFEROTEMPORAL CORTICAL NEURONS TO THE VIEWING ANGLE OF OBJECTS

Author(s)

ESTEKI H. | Issue Writer Certificate

Keywords

VISIONQ4

ASPECT RATIOQ4

LNFEROTEMPORALQ4

OBJECT RECOGNITIONQ4

VIEWPOINTQ4

Abstract

Visual OBJECT RECOGNITION can be largely invariant to the viewing angle of objects. Previous studies have shown that most inferotemporal neurons respond selectively to moderately complex features of object images. The projected image of an object can be represented as a combination of several inferotemporal cells that respond to different features in the image. Changes in the viewing angle cause changes in the ASPECT RATIO of the features. In the present study, the features critical to the activation of individual inferotemporal cells were determined and the effects of changes in the ASPECT RATIO of the optimal shapes on the responses were examined. The results showed that the responses of a majority of inferotemporal cells were not sharply tuned to the ASPECT RATIO of their optimal shapes, instead, the tunings were broad. We suggest that responses of these inferotemporal cells are not tuned to a shape defined in twodimensional pictorial space, but their selectivity is defined by combination of primitives representing projection-invariant features. It is also suggested that the limitation in view-angle invariance of OBJECT RECOGNITION is not necessarily determined by the selectivity to the representation of individual features, but by the selectivity to the combination of features.

Cites

INVARIANCE OF NEURONAL RESPONSES TO CHANGES IN THE SIZE OF VISUAL SHAPES MAPPED ALONG THE ANTERIOR-POSTERIOR EXTENT OF INFEROTEMPORAL AREA TE

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APA: Copy

ESTEKI, H.. (2001). INVARIANT RESPONSES OF INFEROTEMPORAL CORTICAL NEURONS TO THE VIEWING ANGLE OF OBJECTS. PHYSIOLOGY AND PHARMACOLOGY, 5(1), 3-12. SID. https://sid.ir/paper/75246/en

Vancouver: Copy

ESTEKI H.. INVARIANT RESPONSES OF INFEROTEMPORAL CORTICAL NEURONS TO THE VIEWING ANGLE OF OBJECTS. PHYSIOLOGY AND PHARMACOLOGY[Internet]. 2001;5(1):3-12. Available from: https://sid.ir/paper/75246/en

IEEE: Copy

H. ESTEKI, “INVARIANT RESPONSES OF INFEROTEMPORAL CORTICAL NEURONS TO THE VIEWING ANGLE OF OBJECTS,” PHYSIOLOGY AND PHARMACOLOGY, vol. 5, no. 1, pp. 3–12, 2001, [Online]. Available: https://sid.ir/paper/75246/en

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