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

M. Nemati; R. W. C. G. R. Wijshoff; J. M. A. Stijnen; S. van Tuijl; J. W. M. Bergmans; N. Bhattacharya; H. P. Urbach

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

机译：存在运动伪影的情况下基于激光斑点的流体脉动检测：体外和体内研究

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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.

机译：我们已经执行了一项基于激光散斑对比度分析的体外和体内研究，以检测在存在由样品和光源之间的相对运动引起的伪影的情况下的流体脉动。我们观察到，对于一定范围的运动幅度和振荡频率，脉动信号清晰可见。但是，对于较高的振幅和运动的振荡频率，由于脉动，信号变得越来越难以检测。

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《Optics Letters》 |2013年第24期|共4页
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M. Nemati; R. W. C. G. R. Wijshoff; J. M. A. Stijnen; S. van Tuijl; J. W. M. Bergmans; N. Bhattacharya; H. P. Urbach;
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1. Laser-speckle-based detection of fluid pulsation in the presence of motion artifacts: in vitro and in vivo study [J] . M. Nemati, R. W. C. G. R. Wijshoff, J. M. A. Stijnen, Optics Letters . 2013,第24期

机译：存在运动伪影的情况下基于激光斑点的流体脉动检测：体外和体内研究
2. Photoplethysmograph Signal Reconstruction Based on a Novel Hybrid Motion Artifact Detection-Reduction Approach. Part I: Motion and Noise Artifact Detection [J] . Chong Jo Woon, Dao Duy K., Salehizadeh S. M. A., Annals of Biomedical Engineering: The Journal of the Biomedical Engineering Society . 2014,第11期

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3. In-vivo corneal pulsation in relation to in-vivo intraocular pressure and corneal biomechanics assessed in-vitro. An animal pilot study [J] . Rogala Maja M., Danielewska Monika E., Antonczyk Agnieszka, Experimental Eye Research . 2017,第期

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4. Fluid pulsation detection in presence of induced motion artifacts using speckle techniques [C] . M. Nemati, L.G. Paroni, N. Bhattacharya, International Conference on Vibration Measurements by Laser and Noncontact Techniques . 2014

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6. Intraventricular CSF Pulsation Artifact on Fast Fluid-Attenuated Inversion-Recovery MR Images: Analysis of 100 Consecutive Normal Studies [O] . Rohit Bakshi, Shelton D. Caruthers, Vallabh Janardhan, 2000

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7. Laser-speckle-based detection of fluid pulsation in the presence of motion artifacts : in vitro and in vivo study [O] . Nemati, M, Wijshoff, RWCGR Ralph, Stijnen, JMA Marco, 2013

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8. Studies on the Binding of 5,5-Diphenylhydantoin to Nucleic Acids 'In vitro' and to Rat Brain Subcellular Fractions 'In vitro' and 'In vivo'. [R] . Boykin, M. E., Doctor, B. P. 1974

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

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