Blind Separation of Human Heartbeats and Breathing by the use of a Doppler Radar Remote Sensing

The combined use of a Doppler radar with digital signal processing technique gives an effective non-invasive remote sensing of heart beat signals. Initial results have showed that the proposed technique is very promising in successfully isolating desired heart beat signals from other mobile objects...

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Bibliographic Details
Published in2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07 Vol. 1; pp. I-333 - I-336
Main Authors Petrochilos, N., Rezk, M., Host-Madsen, A., Lubecke, V., Boric-Lubecke, O.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.04.2007
Subjects
Algorithm design and analysis
Antenna Array
Blind Source Separation
Digital signal processing
Distortion
Doppler radar
Heart beat
Heartbeat Detection
Humans
Independent component analysis
Real Analytical Constant Modulus Algorithm
Remote sensing
Signal processing
Wireless sensor networks
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Summary:The combined use of a Doppler radar with digital signal processing technique gives an effective non-invasive remote sensing of heart beat signals. Initial results have showed that the proposed technique is very promising in successfully isolating desired heart beat signals from other mobile objects and other distortion effects characterizing the wireless channel. We concentrate in this paper on the harder problem of separating at low SNR the signals from two subjects in the same room. We show that preliminary results obtained by the real analytical constant modulus algorithm (RACMA) and the independent component analysis (ICA) on experimental data are very promising into this goal.
ISBN:9781424407279
1424407273
ISSN:1520-6149
2379-190X
DOI:10.1109/ICASSP.2007.366684