NDLI: Hands shape recognition using moment invariant for the Korean sign language recognition

Content Provider	IEEE Xplore Digital Library
Author	Yea-Hong Yoon Kang-Hyun Jo
Copyright Year	2003
Description	Author affiliation: Sch. of Electr.-Electron. Inf. Syst. Eng., Ulsan Univ., South Korea (Yea-Hong Yoon; Kang-Hyun Jo)
Abstract	This paper reports a recognition system of Korean sign language. The sign language is a visual language usually used by the deaf and dumb. The user expresses the meaning using the hands' motion, position and shape. This paper reports recognizing chiromancy which expresses the meaning by the hands' shape. Using the visual information, the system is able to recognize the chiromancy. The system uses spatial feature of an object in order to recognize hands' shape because the chiromancy communicates the meaning by a spatial arrangement of the shape. For analyzing the spatial feature, the moment invariants are adopted. The moment invariance is the method of the analyzing the physical property. The moment of invariance is able to recognize the meaning of transformed the translation, the scale change and the rotation of hand's shape. The alphabets in the chiromancy of the Korean sign language consist of 14 consonants and 16 vowels. The chiromancy is able to distinguish the meaning according to the fingers' shape and posture. The problem often arises even when the hand has the identical shape, because the meaning changes according to the posture of hand. Therefore the principal axis is used in order to distinguish the posture to understand the meaning. Moment invariance contains abundance of information about the hands' shape. The lower order moment is not sensitive to the shape changes. Therefore, we divide the region into quadrants by the principal axes. Normalized moments of each quadrant region are used to determine the hands' shape. In the experiment, hand shapes used in Korean sign language are determined 97% in exactness.
Starting Page	308
Ending Page	313
File Size	263557
Page Count	6
File Format	PDF
ISBN	8978686176
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-28
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	7th Korea-Russia Intl Sym on Science
Subject Keyword	Shape Handicapped aids Natural languages Deafness Vocabulary Cultural differences Information systems Systems engineering and theory Presses Speech recognition
Content Type	Text
Resource Type	Article

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