NDLI: Evoked potential compression using AOTLC and DPCM

Content Provider	IEEE Xplore Digital Library
Author	Kong, X. Qiu, T. Memon, N. Tehernezhadi, M.
Copyright Year	1997
Description	Author affiliation: Dept. of Electr. Eng., Northern Illinois Univ., DeKalb, IL, USA (Kong, X.)
Abstract	Neuro-electric signals, such as evoked potentials (EPs), have been widely used to quantify the conditions of neurological system. In applications like telemedicine, it is necessary to efficiently transmit the EP signals. Data compression has been widely used for other non-biomedical signals, such as speech coding and image compression. In this paper, we study and evaluate the performances of EP compression using two different methods. One is the differential pulse code modulation (DPCM) method, which is a waveform-based compression technique, the other is the adaptive orthogonal transform linear combiner (AOTLC), which is based on an explicit model of EP using orthogonal transform theory and an adaptive filter. Analysis and computer simulation show that the AOTLC can achieve a higher compression ratio than DPCM, and it also gives a robust performance for noise-contaminated EP signals. The criterion used for performance evaluation is the ability for the compressed EP to preserve the latency change information.
Starting Page	911
Ending Page	914
File Size	301237
Page Count	4
File Format	PDF
ISBN	0780342623
ISSN	1094687X
DOI	10.1109/IEMBS.1997.757817
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-10-30
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image coding Performance evaluation Pulse modulation Telemedicine Data compression Speech coding Pulse compression methods Modulation coding Adaptive filters Signal analysis
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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