| Naslov: | Unobtrusive monitoring of human vital functions based on speckle interferometry with plastic optical fiber |
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| Avtorji: | ID Podbreznik, Peter (Avtor)
ID Đonlagić, Denis (Avtor)
ID Lešnik, Dejan (Avtor)
ID Cigale, Boris (Avtor)
ID Zazula, Damjan (Avtor) |
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| Datoteke: |  http://www.laserandhealthacademy.com/en/journal/?id=1425&type=1
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Delo ni kategorizirano |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | FGPA - Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo
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| Opis: | In this paper, a speckle interferometer with a plastic optical fiber system is reported for unobtrusive monitoring of heartbeat and respiration. The sensor consists of a laser diode butt-coupled to the plastic optical fiber, whose exit face projects speckle patterns onto a linear optical sensor array, which leads to a simple and cost-effective construction. Speckle images are acquired in a sequence and transformed into a 1D signal by using a phase-shifting method. Band-pass filtering and Morlet-wavelet-based multiresolutional approaches were used to analyze signals for the detection of cardiac and respiratory activities, respectively. Ten young, healthy persons participated in system testing, by lying supine on a mattress with embedded plastic optical fiber. Experimental results show the proposed system and detection algorithms are highly efficient. Sensitivities of 99.4 0.6% and 95.3 3%, precisions of 98.8 1.5% and 97.9 2.3%, and mean delays between interferometric detections and corresponding referential signals of 116.6 55.5ms and 1299.2 437.3 ms were computed for heartbeat and respiration, respectively. |
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| Ključne besede: | plastic optical fiber, speckle interferometry, unobtrusive monitoring, heartbeat detection, respiration detection, phase-shift method, wavelet transform |
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| Leto izida: | 2013 |
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| Št. strani: | str. 68-72 |
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| Številčenje: | Vol. 2013, no. 1 |
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| PID: | 20.500.12556/DKUM-50442  |
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| UDK: | 681.586 |
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| COBISS.SI-ID: | 17034006 |
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| ISSN pri članku: | 1855-9913 |
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| NUK URN: | URN:SI:UM:DK:G0MFHOHJ |
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| Datum objave v DKUM: | 10.07.2015 |
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| Število ogledov: | 1805 |
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| Število prenosov: | 22 |
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| Metapodatki: |    |
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| Področja: | Ostalo
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