Laser-speckle-based detection of fluid pulsation in the presence of motion artifacts: in vitro and in vivo study

被引：3

作者：

Nemati, M. ^{[1
]}

Wijshoff, R. W. C. G. R. ^{[2
]}

Stijnen, J. M. A. ^{[3
]}

van Tuijl, S. ^{[3
]}

Bergmans, J. W. M. ^{[2
]}

Bhattacharya, N. ^{[1
]}

Urbach, H. P. ^{[1
]}

机构：

[1] Delft Univ Technol, Dept Imaging Sci & Technol, Opt Res Grp, NL-2628 CJ Delft, Netherlands

[2] Eindhoven Univ Technol, Dept Elect Engn, Signal Proc Syst, NL-5612 AZ Eindhoven, Netherlands

[3] LifeTec Grp, NL-5612 AZ Eindhoven, Netherlands

来源：

OPTICS LETTERS | 2013年 / 38卷 / 24期

关键词：

SIGNALS;

D O I：

10.1364/OL.38.005334

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have performed an in vitro and in vivo study, based on laser speckle contrast analysis, to detect fluid pulsation in the presence of artifacts caused by the relative motion between the sample and the illumination source. We observe that the pulsation signal is clearly detectable for a range of motion amplitudes and oscillation frequencies; however, for higher amplitudes and oscillation frequencies of motion, the signal, due to pulsation, becomes increasingly difficult to detect. (C) 2013 Optical Society of America

引用

页码：5334 / 5337

页数：4

共 12 条

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