Signal processing for a laser-Doppler blood perfusion meter

M.H. Koelink; F.F.M. de Mul; B.J.M. Leerkotte; Jan Greve; H.W. Jentink; R. Graaff; A.C.M. Dassel; J.G. Aarnoudse

doi:10.1016/0165-1684(94)90143-0

Signal processing for a laser-Doppler blood perfusion meter

M.H. Koelink, F.F.M. de Mul, B.J.M. Leerkotte, Jan Greve, H.W. Jentink, R. Graaff, A.C.M. Dassel, J.G. Aarnoudse

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Abstract

Two signal processing methods for laser-Dopper perfusion velocimetry are presented. The methods are based on the calculation of the moments of the frequency power spectrum. The first uses Vω-filtering (ω is the frequency) with analogous electronics, the second uses signal autocorrelation with digital electronics. Comparison is made with a third instrument: a spectrum analyzer coupled to a computer, using Fourier transform tecniques. The performance of these setups (sensitivity, limit sensitivity and accuracy) are investigated. We propose a calibration standard for signal processors to be used for blood perfusion measurements. The analogous instrument proved to be the cheapest but the digital instrument had the best performance.

Original language	English
Pages (from-to)	239-252
Number of pages	14
Journal	Signal processing
Volume	38
Issue number	2
DOIs	https://doi.org/10.1016/0165-1684(94)90143-0
Publication status	Published - 1994

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title = "Signal processing for a laser-Doppler blood perfusion meter",

abstract = "Two signal processing methods for laser-Dopper perfusion velocimetry are presented. The methods are based on the calculation of the moments of the frequency power spectrum. The first uses Vω-filtering (ω is the frequency) with analogous electronics, the second uses signal autocorrelation with digital electronics. Comparison is made with a third instrument: a spectrum analyzer coupled to a computer, using Fourier transform tecniques. The performance of these setups (sensitivity, limit sensitivity and accuracy) are investigated. We propose a calibration standard for signal processors to be used for blood perfusion measurements. The analogous instrument proved to be the cheapest but the digital instrument had the best performance.",

author = "M.H. Koelink and {de Mul}, F.F.M. and B.J.M. Leerkotte and Jan Greve and H.W. Jentink and R. Graaff and A.C.M. Dassel and J.G. Aarnoudse",

year = "1994",

doi = "10.1016/0165-1684(94)90143-0",

language = "English",

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T1 - Signal processing for a laser-Doppler blood perfusion meter

AU - Koelink, M.H.

AU - de Mul, F.F.M.

AU - Leerkotte, B.J.M.

AU - Greve, Jan

AU - Jentink, H.W.

AU - Graaff, R.

AU - Dassel, A.C.M.

AU - Aarnoudse, J.G.

PY - 1994

Y1 - 1994

N2 - Two signal processing methods for laser-Dopper perfusion velocimetry are presented. The methods are based on the calculation of the moments of the frequency power spectrum. The first uses Vω-filtering (ω is the frequency) with analogous electronics, the second uses signal autocorrelation with digital electronics. Comparison is made with a third instrument: a spectrum analyzer coupled to a computer, using Fourier transform tecniques. The performance of these setups (sensitivity, limit sensitivity and accuracy) are investigated. We propose a calibration standard for signal processors to be used for blood perfusion measurements. The analogous instrument proved to be the cheapest but the digital instrument had the best performance.

AB - Two signal processing methods for laser-Dopper perfusion velocimetry are presented. The methods are based on the calculation of the moments of the frequency power spectrum. The first uses Vω-filtering (ω is the frequency) with analogous electronics, the second uses signal autocorrelation with digital electronics. Comparison is made with a third instrument: a spectrum analyzer coupled to a computer, using Fourier transform tecniques. The performance of these setups (sensitivity, limit sensitivity and accuracy) are investigated. We propose a calibration standard for signal processors to be used for blood perfusion measurements. The analogous instrument proved to be the cheapest but the digital instrument had the best performance.

U2 - 10.1016/0165-1684(94)90143-0

DO - 10.1016/0165-1684(94)90143-0

M3 - Article

SN - 0165-1684

VL - 38

SP - 239

EP - 252

JO - Signal processing

JF - Signal processing

IS - 2

ER -

Signal processing for a laser-Doppler blood perfusion meter

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