以數位訊號處理器建構之視訊滑鼠系統

林萬魁

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以數位訊號處理器建構之視訊滑鼠系統

A DSP Based Camera Mouse System

林萬魁 , Masters　　Advisor：陳志宏　　

繁體中文

視訊滑鼠；人機介面；頭部運動；人臉偵測； Camera Mouse ； Head motion ； Man-machine interface ； Face detection

Abstract │ Reference (34) │ Altmetrics

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Abstract

Keywords: Man-machine interface, Camera Mouse, Face detection, Head motion
     Man-machine interface has been developed for a long time. At present, the main streams of man-machine interface products on the market are manual devices, such as mice, keyboards, and joysticks. The man-machine interfaces developed before are not friendly due to the bulky devices they put on user’s body. When users wield them for a long time, they may feel tired or uncomfortable. Moreover, some interfaces may cause additional loading on computers, so we can’t use them on low-level computers.
      In this thesis we constructed a DSP (Digital Signal Processor) based camera mouse system in addition to the traditional manual interfaces – mice and joysticks. The face detection algorithms including skin detection and lips detection were verified by MATLAB. During the operation video of user’s head was captured and analyzed by face detection algorithms embedded on DSP to detect human face and lips, and then the mouse cursor was controlled by lips motion. Because this system is constructed by DSP, execution performance of computers will not be affected, and no device has to be worn on user’s body. 
The above system can be successfully applied to some general operations, such as surfing the internet, watching multi-media programs, and playing PC games. This system has forsaken traditional mechanical manual man-machine interface, and enabled users to communicate with computers with their natural body language.

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[1] Robert S. Allison, Moshe Eizenman, and Bob S.K. Cheung, “Combined Head and Eye Tracking System for Dynamic Testing of the Vestibular System”, IEEE Transactions on Biomedical Engineering, Vol. 43, No.11, pp.1073~1082, November 1996.
連結：
[3] D. Gareth Evans, Roger Drew, and Paul Blenkhorn, “Controlling Mouse Pointer Position Using an Infrared Head-Operated Joystick”, IEEE Transactions on Rehabilitation Engineering, Vol. 8, No.1, pp.107~117, March 2000.
連結：
Tracking of Body Features to Provide Computer Access for People With Severe Disabilities”, IEEE Transactions on Neural Systems and Rehabilitation Engineering, Vol. 10, No. 1, pp.1~10March 2002
連結：
[5] O. Takami, N. Irie, C. Kang, T. Ishimatsu, and T. Ochiai, “Computerinterface to use head movement for handicapped people”, in Proc. IEEE TENCON’96, Digital Signal Processing Applications, vol. 1, pp. 468–472, 1996.
連結：
[8] G. Yang and T. S. Huang, “Human Face Detection in Complex Background,” Pattern Recognition, vol.27, no.1, 53-63, 1994.
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