Journal of South China University of Technology (Natural Science Edition) ›› 2007, Vol. 35 ›› Issue (1): 58-63.

• Electronics, Communication & Automation Technology • Previous Articles     Next Articles

Fingertip Detection Approach for Finger-Writing ChineseCharacter Recognition System

Yang Duan-duan  Jin Lian-wen  Yin Jun-xun   

  1. School of Electronic and Infonnation Engineering , South China Univ. of Tech. , Guangzhou 510640 , Guangdong , China
  • Received:2006-01-17 Online:2007-01-25 Published:2007-01-25
  • Contact: 杨端端(1980-) ，男，博士生，主要从事图像处理、模式识别和人机交互技术方面的研究。 E-mail:ddyang@scut.edu.cn
  • About author:杨端端(1980-) ，男，博士生，主要从事图像处理、模式识别和人机交互技术方面的研究。
  • Supported by:

    国家自然科学基金资助项目(60275005) ;广东省科技计划项目(2003C50101 ， 04105938)

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Abstract:

In order to meet the requirements of finger-computer interaction system , a fast rohust fingertip detection method is proposed. In this method , first , the foreground is segmented to ohtain the contour of the hand. Next , a candidate area is identified as the rough position of the fingertip hy means of the grid sampling. Then , the accurate position of the fingertip is determined hy means of the circle feature matching , reaching an accuracy of 98.5%. Fi-nally, the proposed fingertip detection method is applied to a finger-writing Chinese character recognition system , in which the computer can directly recognize the characters written hy the fingers of a user.

Key words: fingertip detection, Chinese character recognition, template matching, human-computer interactíon