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A Comparative Study of Compression Methods and the Development of CODEC Program of Biological Signal for Emergency Telemedicine Service  

Yoon Tae-Sung (창원대학 전기공학과)
Lim Young-Ho (창원대학 전기공학과)
Kim Jung-Sang (창원대학 전기공학과)
Yoo Sun-Kook (연세대학 의과대학 의학공학교실)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers D / v.52, no.5, 2003 , pp. 311-321 More about this Journal
Abstract
In an emergency telemedicine system such as the High-quality Multimedia based Real-time Emergency Telemedicine(HMRET) service, it is very important to examine the status of the patient continuously using the multimedia data including the biological signals(ECG, BP, Respiration, $SpO_2)$ of the patient. In order to transmit these data real time through the communication means which have the limited transmission capacity, it is also necessary to compress the biological data besides other multimedia data. For this purpose, we investigate and compare the ECG compression techniques in the time domain and in the wavelet transform domain, and present an effective lossless compression method of the biological signals using PEG Huffman table for an emergency telemedicine system. And, for the HMRET service, we developed the lossless compression and reconstruction program or the biological signals in MSVC++ 6.0 using DPCM method and JPEG Huffman table, and tested in an internet environment.
Keywords
emergency telemedicine system; ECG compression; biological signals transmission; internet environment;
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