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http://dx.doi.org/10.13067/JKIECS.2013.8.6.805

A User Adaptation Method for Hand Shape Recognition Using Wrist-Mounted Camera  

Park, Hyun (광운대학교 로봇학부)
Shi, Hyo-Seok (광운대학교 로봇학부)
Kim, Heon-Hui (광운대학교 로봇학부)
Park, Kwang-Hyun (광운대학교 로봇학부)
Publication Information
The Journal of the Korea institute of electronic communication sciences / v.8, no.6, 2013 , pp. 805-814 More about this Journal
Abstract
This paper proposes a robust hand segmentation method using view-invariant characteristic of a wrist-mounted camera, and deals with a hand shape recognition system based on segmented hand information. We actively utilize the advantage of the proposed camera device that provides view-invariant images physically, and segment hand region using a Bayesian rule based on adaptive histograms. We construct HSV histograms from RGB histograms, and update HSV histograms using hand region information from a current image. We also propose a user adaptation method by which hand models gradually approach user-dependent models from user-independent models as the user uses the system. The proposed method was evaluated using 16 Korean manual alphabet, and we obtained increases of 27.91% in recognition success rate.
Keywords
Wrist-Mounted Camera; Hand Shape; Gesture Recognition; User Adaptation;
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