NDLI: Learning to comprehend deictic gestures in robots and human infants

Content Provider	IEEE Xplore Digital Library
Author	Nagai, Y.
Copyright Year	2005
Description	Author affiliation: National Inst. of Inf. & Commun. Technol., Kyoto, Japan (Nagai, Y.)
Abstract	In this paper, I discuss how visual information about deictic gestures influences learning that enables these gestures to be comprehended. It has been suggested that the ability of human infants to comprehend deictic gestures depends on the physical appearance of gestures, the movement of gestures, and the distance between gestures and the indicated targets. To understand the mechanisms involved, I apply a model that enables a robot to recognize the static orientation of a gesture as an edge image and movement as optical flow. Experiments using a robot reveal that (1) learning to comprehend reaching gestures with all fingers extended is more accelerated than learning to comprehend pointing with the index finger, and that (2) downward tapping movement facilitates learning more than pointing movement along the direction of the gesture. These results suggest that (1) the quantitative difference in the edge features of reaching and pointing that correspond to the directions of gestures influences learning speed, and that (2) the optical flow of tapping movement that offers qualitatively different information from that provided by the edge image makes learning easier than the optical flow of pointing movement.
Starting Page	217
Ending Page	222
File Size	379549
Page Count	6
File Format	PDF
ISBN	0780392744
DOI	10.1109/ROMAN.2005.1513782
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-08-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pediatrics Image motion analysis Cognitive robotics Image recognition Fingers Human robot interaction Image edge detection Communications technology Acceleration Information analysis
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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