Lossless Compression of Otoneurological Eye Movement Signals

Author: Tossavainen Timo   Juhola Martti  

Publisher: Springer Publishing Company

ISSN: 0748-1977

Source: Journal of Clinical Monitoring, Vol.17, Iss.7-8, 2002-12, pp. : 393-402

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Abstract

We studied the performance of several lossless compression algorithms on eye movement signals recorded in otoneurological balance and other physiological laboratories. Despite the wide use of these signals their compression has not been studied prior to our research. The compression methods were based on the common model of using a predictor to decorrelate the input and using an entropy coder to encode the residual. We found that these eye movement signals recorded at 400 Hz and with 13 bit amplitude resolution could losslessly be compressed with a compression ratio of about 2.7.