Results 31 to 40 of about 13,509 (286)
IEEE Access, 2021 A two-dimensional entropy laser speckle contrast imaging (E-LSCI) algorithm is proposed to improve the accuracy and resolution of laser speckle contrast imaging (LSCI) systems.
Xinglong Liu, Hui Yang, Ran Li
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Quantitative modeling of laser speckle imaging [PDF]
Optics Letters, 2006 We have analyzed the image formation and dynamic properties in laser speckle imaging (LSI) both experimentally and with Monte-Carlo simulation. We show for the case of a liquid inclusion that the spatial resolution and the signal itself are both significantly affected by scattering from the turbid environment.
Zakharov, Pavel +4 more
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A novel effective method for the assessment of microvascular function in male patients with coronary artery disease: a pilot study using laser speckle contrast imaging [PDF]
Brazilian Journal of Medical and Biological Research, 2016 Evaluation of microvascular endothelial function is essential for investigating the pathophysiology and treatment of cardiovascular and metabolic diseases.
J.P. Borges +6 more
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Choosing a model for laser speckle contrast imaging
Biomedical Optics Express, 2021 Laser speckle contrast imaging (LSCI) is a real-time full-field non-invasive technique, which is broadly applied to visualize blood flow in biomedical applications. In its foundation is the link between the speckle contrast and dynamics of light scattering particles–erythrocytes. The mathematical form describing this relationship, which is critical for
Chang Liu +4 more
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Scientific Reports, 2021 The artefact known as speckle can plague numerous imaging applications where the narrow linewidth of laser light is required, which includes laser projection and medical imaging.
David J. Hansford +3 more
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Laser Speckle Modeling and Simulation for Biophysical Dynamics: Influence of Sample Statistics
Journal of Biomedical Photonics & Engineering, 2017 Laser speckle is a statistical phenomenon and should be treated as such when establishing experimental parameters for using laser speckle techniques to infer information about the dynamics of a coherently illuminated medium, such as biological tissue ...
Kosar Khaksari, Sean J. Kirkpatrick
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Ear swelling test by using laser speckle imaging with a long exposure time [PDF]
, 2014 Laser speckle imaging with long exposure time has been applied noninvasively to visualize the immediate reaction of cutaneous vessels in mice in response to a known primary irritant and potential allergen-methyl salicylate.
Harmelin, Alon +4 more
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Influence of wavefront types on movement artefacts in handheld laser speckle contrast perfusion imaging [PDF]
, 2021 Laser speckle contrast imaging (LSCI) is a non-invasive and affordable technique to visualize skin perfusion. Handheld use of the system facilitates measurements on various skin areas in a flexible manner.
Chizari, Ata; id_orcid +5 more
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Correction of overexposure in laser speckle contrast imaging
Optics Express, 2022 Laser speckle contrast imaging (LSCI) is a method to visualize and quantify tissue perfusion and blood flow. A common flaw in LSCI variants is their sensitivity to the optical setup parameters and that they operate well only on statistics of undistorted laser speckle patterns.
Péter Földesy +3 more
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Zwitterion-doped liquid crystal speckle reducers for immersive displays and vectorial imaging
Light: Science & Applications, 2023 Lasers possess many attractive features (e.g., high brightness, narrow linewidth, well-defined polarization) that make them the ideal illumination source for many different scientific and technological endeavors relating to imaging and the display of ...
Yihan Jin +6 more
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