A new assistive communication system for the serious disabled

Authors:
Shih-Chung Chen;Ching-Yi Chien;Wei-Min Chang;Shu-Wen Lin
Affiliations:
Southern Taiwan University, Yung-Kang City, Tainan, Taiwan Roc;Southern Taiwan University, Yung-Kang City, Tainan, Taiwan Roc;Southern Taiwan University, Yung-Kang City, Tainan, Taiwan Roc;National University of Tainan, Tainan Taiwan, Roc
Venue:
Proceedings of the 2nd International Convention on Rehabilitation Engineering & Assistive Technology
Year:
2008

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Abstract

In this research, we realized an assistive system based on lips images recognition [1][2][3] for the communication of the disabled. This system is composed of the software system mainly and the auxiliary hardware system. In the software system, we developed a recognition algorithm for the open/close status of lips images, including the face detection, the face tracking, the lips pattern recognition, the lips locations and extraction, the lips images processing, etc., and developed a fuzzy algorithm to recognize long tone/silence or short tone/silence of Morse codes [4]. After the fuzzy recognition, the open/close statuses of lips images can be transferred to Morse codes to input the letters, achieving the functions of word processing. Regarding the hardware of the lips-control assistive communication system, we have primarily realized the remote control system for electrical home appliances. Once the system obtains information of open/close statuses of lips images after recognition, the original parallel port interface of general computer and RF module can be used to carry out further remote control functions of home appliances. In conclusion, we have completed an assistive communication system for the disabled without wearing any appurtenance. After finishing some word processing tests and home appliance control tests for the whole system, we believe that the new augmentative assistive communication system will be more helpful for the serious disabled especially with vertebra damaged. We hope our study can improve the communication abilities of the disabled and make some contributions to society.