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Title: A two-dimensional approach for lossless EEG compression
Authors: Srinivasan, K.
Dauwels, Justin
Reddy, M. Ramasubba
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Control and instrumentation::Medical electronics
Issue Date: 2011
Source: Srinivasan, K., Dauwels, J., & Reddy, M. R. (2011). A two-dimensional approach for lossless EEG compression. Biomedical signal processing and control, 6(4), 387–394.
Series/Report no.: Biomedical signal processing and control
Abstract: In this paper, we study various lossless compression techniques for electroencephalograph (EEG) signals. We discuss a computationally simple pre-processing technique, where EEG signal is arranged in the form of a matrix (2-D) before compression. We discuss a two-stage coder to compress the EEG matrix, with a lossy coding layer (SPIHT) and residual coding layer (arithmetic coding). This coder is optimally tuned to utilize the source memory and the i.i.d. nature of the residual. We also investigate and compare EEG compression with other schemes such as JPEG2000 image compression standard, predictive coding based shorten, and simple entropy coding. The compression algorithms are tested with University of Bonn database and Physiobank Motor/Mental Imagery database. 2-D based compression schemes yielded higher lossless compression compared to the standard vector-based compression, predictive and entropy coding schemes. The use of pre-processing technique resulted in 6% improvement, and the two-stage coder yielded a further improvement of 3% in compression performance.
ISSN: 1746-8094
DOI: 10.1016/j.bspc.2011.01.004
Rights: © 2011 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Biomedical signal processing and control, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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