Human Life Signs Detection Using High-Sensitivity Pulsed Laser Vibrometer

Wang, Chen-Chia; Trivedi, Sudhir; Jin, Feng; Stepanov, S.; Chen, Zhongyang; Khurgin, Jacob B.; Rodriguez, P.; Prasad, Narasimha S.

doi:10.1109/jsen.2007.905041

Cited by 31 publications

(14 citation statements)

References 5 publications

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“…Using these procedures we have successfully grown undoped and transition metal-doped binary and ternary II-VI crystals including semi-magnetic crystals of both IIa-VI and IIb-VI compounds. We have used these crystals to demonstrate novel applications [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][32][33][34] of which we have discussed two applications in which we used these II-VI crystals for mid-IR solid-state lasing and remote laser vibrometry.…”

Section: Discussionmentioning

confidence: 99%

“…These measurements can be taken from essentially any part of the body, with or without clothing, and without requiring any surface pretreatments like the attachment of retroreflective tapes or deployment of special electronic filtering in order to eliminate the sudden dropoffs in the vibrometer output. We have demonstrated the use of PPLV to detect the heartbeats, respirations, and gross physical movement of human subjects [33,34]. Fig.…”

Section: Remote Laser Vibrometry Applicationsmentioning

confidence: 99%

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Crystal growth technology of binary and ternary II–VI semiconductors for photonic applications

Trivedi

Wang

Kutcher

et al. 2008

Journal of Crystal Growth

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Section: Discussionmentioning

confidence: 99%

Section: Remote Laser Vibrometry Applicationsmentioning

confidence: 99%

Crystal growth technology of binary and ternary II–VI semiconductors for photonic applications

Trivedi

Wang

Kutcher

et al. 2008

Journal of Crystal Growth

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“…In [66], a pulsed photo-electromotive-force laser vibrometer has been used to simultaneously record cardiac and respiratory motion even from clothed body surfaces. Respiration measurements have also been reported from a pulsed time-of-flight laser system [67] as well as from a Doppler vibrometer [68].…”

Section: Laser-based Methodsmentioning

confidence: 99%

Ambient and Unobtrusive Cardiorespiratory Monitoring Techniques

Brüser

Antink

Wartzek

et al. 2015

IEEE Rev. Biomed. Eng.

147

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Monitoring vital signs through unobtrusive means is a goal which has attracted a lot of attention in the past decade. This review provides a systematic and comprehensive review over the current state of the field of ambient and unobtrusive cardiorespiratory monitoring. To this end, nine different sensing modalities which have been in the focus of current research activities are covered: capacitive electrocardiography, seismo- and ballistocardiography, reflective photoplethysmography (PPG) and PPG imaging, thermography, methods relying on laser or radar for distance-based measurements, video motion analysis, as well as methods using high-frequency electromagnetic fields. Current trends in these subfields are reviewed. Moreover, we systematically analyze similarities and differences between these methods with respect to the physiological and physical effects they sense as well as the resulting implications. Finally, future research trends for the field as a whole are identified.

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“…The use of LDVi on human skin is firstly demonstrated in [5] and is used to qualitatively reconstruct the carotid pulse wave. More recently, LDVi has been successfully applied for the non-contact measurement of the velocity of the skin surface on the chest wall and on the carotid [6][7][8][9][10][11][12][13]. Optical vibrocardiography (VCG) has been demonstrated able to measure both the cardiac rate (HR) and the heart rate variability (HRV) [8,12,13].…”

Section: Optical Monitoring Of Peculiar Eventsmentioning

confidence: 99%

“…Optical vibrocardiography (VCG) has been demonstrated able to measure both the cardiac rate (HR) and the heart rate variability (HRV) [8,12,13]. LDVi use for respiration monitoring in adults has been described in [6,7,10,11].…”

Section: Optical Monitoring Of Peculiar Eventsmentioning

confidence: 99%