Laser Speckle Contrast Imaging
Multi exposure laser speckle contrast imaging using a high frame rate CMOS sensor with a field programmable gate array
... multi-exposure Laser Speckle Contrast Imaging (LSCI) is implemented using a high frame rate CMOS imaging sensor ...implement laser Doppler blood flow processing enabling direct ...
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The use of laser speckle contrast imaging in clinical applications
... Laser speckle contrast imaging (LSCI) is a useful device which is recruited for visualizing full-field microcirculatory ...The speckle pattern is produced as a consistent light ...
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Evaluation of microvascular endothelial function in patients with infective endocarditis using laser speckle contrast imaging and skin video capillaroscopy: research proposal of a case control prospective study
... a laser speckle contrast imaging system, whether microvascular reactiv- ity is normal may be demonstrated with acetylcholine, an endothelium-dependent vasodilator, and sodium nitro- prusside, ...
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Laser speckle contrast imaging for intraoperative assessment of liver microcirculation: a clinical pilot study
... introduces laser speckle contrast imaging (LSCI) as a new clinical method for assessing liver ...in laser speckle perfusion units, and intraindividual and interindividual ...
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Retracted: A review of the clinical applications and performance of laser speckle contrast imaging
... Laser speckle contrast imaging (LSCI) is a useful tool for visualizing full-field blood flow ...images. Speckle pattern is formed when a coherent light illuminates a rough object, and ...
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<p>Assessing Renal Microvascular Reactivity by Laser Speckle-Contrast Imaging in Angiotensin-II-Treated Mice</p>
... There are various ways of assessing renal microcirculation. Rodriguez-Porcel et al demonstrated impaired kidney response to vasodilators (acetylcholine and sodium nitroprusside), but they used electron-beam computed ...
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Evaluation of a replanted finger and measuring its perfusion changes to predict its viability by laser speckle contrast imaging
... over time when there is motion in the object, such as red blood cells in a tissue. A charge-coupled device (CCD) camera with a preset exposure time will record these changes as motion blurring in the speckle ...
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A Hybrid De Noising Method on LASCA Images of Blood Vessels
... Laser speckle contrast imaging (LSCI) technique is a new modality to monitoring blood flow dynamics with high spatio-temporal ...[1]. Laser speckle contrast analysis ...
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Non-invasive imaging of microcirculation: a technology review
... for imaging of the ...techniques, laser Doppler perfusion imaging, and laser speckle contrast ...spectral imaging and sidestream dark-field imaging, provide a ...
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Speckle Reduction in Imaging Projection Systems
... for laser beam ...of speckle for pico-projection ...eliminate speckle they can be utilized to decrease the resultant contrast to provide a more visually acceptable ...in speckle reduc- ...
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Manipulation of magnetic nanoparticle retention and hemodynamic consequences in microcirculation: assessment by laser speckle imaging
... quantitative imaging in recent ...sharp contrast between MNPs and muscle tissue can be seen in micro-CT images where gray levels of nanoparticles are higher than the surrounding muscle ...the laser ...
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Optical Focusing and Imaging through Scattering Media
... improved imaging of a weak ...an imaging context, this allows us to use a single permutation set operating over all the camera pixels at once to generate a glare suppressed image even if the optical field ...
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Laser-wakefield accelerators for medical phase contrast imaging : Monte Carlo simulations and experimental studies
... duration laser pulse (I > 10 18 Wcm -2 ) passing through plasma generates plasma density ...the laser axis, while leaving behind the heavier ...the laser axis to produce the plasma density wake. ...
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Development of a Laser Triangulation Displacement Probe with Laser Beam Pointing Control
... of laser dithering, several effective methods have been ...on laser beam pointing control is designed in this study, which consists of a collimated red laser, an LPC, a receiver lens, and a CCD, as ...
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Effect of Partially Coherent Light on the Contrast of Speckle Patterns Obtained Using Digital Image Processing of Speckle Photography
... Using this theoretical model, the effects of grain height, its density, the band width and spectral distribution of the line profile Gaussian and Lorentzian illuminating a rough surface [r] ...
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Phase-contrast imaging using radiation sources based on laser-plasma wakefield accelerators : state of the art and future development
... Al, Ti and Ag). The shadows cast by the metal filters are recorded with imaging plates Fuji BAS-SR. The YAG 1 pop-in is removed and both metal filters and imaging plate are inserted instead (see Figure 1). ...
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Nebivolol effect on doxorubicin-induced cardiotoxicity in breast cancer
... Two-dimensional speckle tracking imaging (2D STI) has been assessed for global myocardial deformation using a fre- quency of 70–80 frames/s and also by adjusting the device to achieve a depth and optimal ...
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Effective cellular internalization of silica-coated CdSe quantum dots for high contrast cancer imaging and labelling applications
... cellular imaging as well as for ultrasensitive bioassays and diagnostics ...long-term imaging such as fluorescence marking of transport processes in cells and in tracking the path of single membrane-bound ...
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Image processing in echography and MRI
... This work deals with image processing for three medical imaging applications: speckle detection in 3D ultrasound, left ventricle detection in cardiac magnetic resonance imaging MRI and f[r] ...
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Online Full Text
... Ultrasound speckle reduction methods can be classified in two categories viz. image averaging and image filtering [3]. Image averaging is usually achieved by averaging a series of uncorrelated ultrasound images ...
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