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EMG signal classification techniques for the development of human computer interaction system

Ahsan, Md. Rezwanul and Ibrahimy, Muhammad Ibn and Khalifa, Othman Omran (2011) EMG signal classification techniques for the development of human computer interaction system. In: Human Behaviour Recognition, Identification and Computer Interaction. IIUM Press, Kuala Lumpur, pp. 224-243. ISBN 978-967-418-156-7

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Abstract

With the rapid development of information technology, the quantity of information sharing by human is increasing accordingly. Since early eighty, numbers of researchers are engaged to develop alternative interfaces for elder and disabled people. More recently, the advancement of technology attracting the researcher attention with respect to extracting user's intention data from neural signals. These types of signals can provide information related to body or limb motion faster than other means. On the basis of central nervous system and peripheral nervous system, various types of techniques have been developed to execute user's intention. The brain signals from central nervous system have the potential for revealing human thoughts. The EEG is a noninvasive monitoring method of recording and analyzing brain activities on the scalp [1]. However, the acquired signals not only represent the massed activities of many cortical neurons but also provide a low spatial resolution and a low signal-to-noise ratio (SNR). Afterwards, there are many technical difficulties need to be solved, and extensive training is usually required for interface methods based on brain activities [2]. At the level of the peripheral nervous system, the signals due to body motion can be detected and acquired by an ENG [3] and an EMG [4]. However, ENG signal based interfaces have limitations with respect to the SNR, dimensions, and drifts. Due to the damage in neural tissue and differential motion of the electrode within the fascicle causes a reduction in the SNR and a gradual drift in the recorded nerve fiber population. On the other side, EMG signal can be measured more conveniently and safely than other bio-signals. EMG signal can be easily generated by voluntary muscle movement and it has better properties of SNR and high amplitude. Hence, an EMG-based HCl is most practical with current technologies.

Item Type: Book Chapter
Additional Information: 4637/21658
Uncontrolled Keywords: EMG signal classification technique, human computer interaction system
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User: Dr Muhammad Ibrahimy
Date Deposited: 05 Sep 2012 16:13
Last Modified: 05 Sep 2012 16:14
URI: http://irep.iium.edu.my/id/eprint/21658

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