Results 21 to 30 of about 3,110,122 (363)
Precision Speckle Pattern Reconstruction for High-contrast Imaging
The Astronomical Journal, 2022 In high-contrast imaging, a large instrumental, technological, and algorithmic effort is made to reduce residual speckle noise and improve the detection capabilities.
Dotan Gazith, Barak Zackay
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Speckle Space–Time Covariance in High-contrast Imaging
The Astronomical Journal, 2023 We introduce a new framework for point-spread function subtraction based on the spatiotemporal variation of speckle noise in high-contrast imaging data where the sampling timescale is faster than the speckle evolution timescale.
Briley Lewis +4 more
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Laser speckle contrast imaging to assess microcirculation. [PDF]
Cardiol J, 2022 Hellmann M +3 more
europepmc +3 more sources
bioRxiv, 2023 Cerebral blood flow (CBF) is crucial for brain health. Speckle contrast optical spectroscopy (SCOS) is a technique that has been recently developed to measure CBF, but the use of SCOS to measure human brain function at large source-detector separations ...
Byungchan Kim +6 more
semanticscholar +1 more source
Continuous blood flow visualization with laser speckle contrast imaging during neurovascular surgery
Neurophotonics, 2022 . Significance: Laser speckle contrast imaging (LSCI) has emerged as a promising tool for intraoperative cerebral blood flow (CBF) monitoring because it produces real-time full-field blood flow maps noninvasively and label free.
David R. Miller +3 more
semanticscholar +1 more source
Biomedical Optics Express, 2022 We introduce a dynamic speckle model (DSM) to simulate the temporal evolution of fully developed speckle patterns arising from the interference of scattered light reemitted from dynamic tissue.
Sharvari Zilpelwar +7 more
semanticscholar +1 more source
Multi-scale laser speckle contrast imaging of microcirculatory vasoreactivity.
Biomedical Optics Express, 2022 Laser speckle contrast imaging is a robust and versatile blood flow imaging tool in basic and clinical research for its relatively simple construction and ease of customization. One of its key features is the scalability of the imaged field of view. With
Blaire S. Lee +3 more
semanticscholar +1 more source
All Optical Speckle Contrast-Based Vibration Sensor for Photoacoustic Signal Detection
Sensors, 2022 Remote detection of photoacoustic signals is a well desired ability, enabling to perform advanced imaging in scenarios where contact is not possible. Various unique solutions have been suggested, including a camera-based speckle contrast photoacoustic ...
Matan Benyamin, Zeev Zalevsky
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Multi-Mode Fiber-Based Speckle Contrast Optical Spectroscopy: Analysis of Speckle Statistics
bioRxiv, 2022 Speckle contrast optical spectroscopy/tomography (SCOS/T) provides a real-time, non-invasive, and cost-efficient optical imaging approach to mapping of cerebral blood flow.
Chen-Hao P. Lin +8 more
semanticscholar +1 more source
A Contrast Calibration Protocol for X-ray Speckle Visibility Spectroscopy
Applied Sciences, 2021 X-ray free electron lasers, with their ultrashort highly coherent pulses, opened up the opportunity of probing ultrafast nano- and atomic-scale dynamics in amorphous and disordered material systems via speckle visibility spectroscopy.
Yanwen Sun +13 more
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