AIMC Topic: Laser-Doppler Flowmetry

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Tracking and navigation of a microswarm under laser speckle contrast imaging for targeted delivery.

Science robotics Feb 21, 2024
Micro/nanorobotic swarms consisting of numerous tiny building blocks show great potential in biomedical applications because of their collective active delivery ability, enhanced imaging contrast, and environment-adaptive capability. However, in vivo...
Laser-Doppler Flowmetry Laser Speckle Contrast Imaging Robotics Regional Blood Flow
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A Deep Learning Image-to-Image Translation Approach for a More Accessible Estimator of the Healing Time of Burns.

IEEE transactions on bio-medical engineering Sep 27, 2023
OBJECTIVE: An accurate and timely diagnosis of burn severity is critical to ensure a positive outcome. Laser Doppler imaging (LDI) has become a very useful tool for this task. It measures the perfusion of the burn and estimates its potential healing ...
Deep Learning Humans Burns Wound Healing Skin Laser-Doppler Flowmetry
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Speed-resolved perfusion imaging using multi-exposure laser speckle contrast imaging and machine learning.

Journal of biomedical optics Mar 20, 2023
SIGNIFICANCE: Laser speckle contrast imaging (LSCI) gives a relative measure of microcirculatory perfusion. However, due to the limited information in single-exposure LSCI, models are inaccurate for skin tissue due to complex effects from e.g. static...
Machine Learning Regional Blood Flow Perfusion Imaging Laser Speckle Contrast Imaging Blood Flow Velocity Laser-Doppler Flowmetry Microcirculation
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Detecting Vascular Age Using the Analysis of Peripheral Pulse.

IEEE transactions on bio-medical engineering Mar 9, 2018
UNLABELLED: Vascular ageing is known to be accompanied by arterial stiffening and vascular endothelial dysfunction, and represents an independent factor contributing to the development of cardiovascular disease. The microvascular pulse is affected by...
Microvessels Signal Processing, Computer-Assisted Laser-Doppler Flowmetry Pulse Humans Algorithms Middle Aged Young Adult Infant Infant, Newborn Support Vector Machine Adult Child, Preschool Adolescent Aged Aging Child Pulse Wave Analysis Aged, 80 and over
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Association Between Optic Nerve Head Blood Flow Measured Using Laser Speckle Flowgraphy and Radial Arterial Pressure During Aortic Arch Surgery.

Journal of cardiothoracic and vascular anesthesia Aug 2, 2017
OBJECTIVE: This study was designed to investigate the association between ocular blood flow measured using laser speckle flowgraphy (LSFG) and radial arterial pressure during aortic arch surgery.
Blood Flow Velocity Laser-Doppler Flowmetry Intraoperative Neurophysiological Monitoring Aged Optic Disk Humans Cardiopulmonary Bypass Male Prospective Studies Arterial Pressure Regional Blood Flow Middle Aged Female Aorta, Thoracic
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Learning of speckle statistics for in vivo and noninvasive characterization of cutaneous wound regions using laser speckle contrast imaging.

Microvascular research Apr 27, 2016
Laser speckle contrast imaging (LSCI) provides a noninvasive and cost effective solution for in vivo monitoring of blood flow. So far, most of the researches consider changes in speckle pattern (i.e. correlation time of speckle intensity fluctuation)...
Laser-Doppler Flowmetry Microcirculation Perfusion Imaging Animals Sarcoma 180 Male Time Factors Image Interpretation, Computer-Assisted Reproducibility of Results Disease Models, Animal Skin ROC Curve Immunohistochemistry Predictive Value of Tests Area Under Curve Supervised Machine Learning Mice Blood Flow Velocity Data Interpretation, Statistical Regional Blood Flow Wound Healing
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Comparing Artificial Intelligence Guided Image Assessment to Current Methods of Burn Assessment.

Journal of burn care & research : official publication of the American Burn Association Jan 24, 2025
Appropriate identification of burn depth and size is paramount. Despite the development of burn depth assessment aids [eg, laser Doppler imaging (LDI)], clinical assessment, which assesses partial-thickness burn depth with 67% accuracy, currently rem...
Neural Networks, Computer Artificial Intelligence Male Algorithms Burns Retrospective Studies Middle Aged Humans Laser-Doppler Flowmetry Female Adult
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Machine learning in multiexposure laser speckle contrast imaging can replace conventional laser Doppler flowmetry.

Journal of biomedical optics Jan 1, 2019
Laser speckle contrast imaging (LSCI) enables video rate imaging of blood flow. However, its relation to tissue blood perfusion is nonlinear and depends strongly on exposure time. By contrast, the perfusion estimate from the slower laser Doppler flow...
Erythrocytes Lasers Calibration Models, Statistical Regional Blood Flow Perfusion Stochastic Processes Microcirculation Monte Carlo Method Blood Flow Velocity Laser-Doppler Flowmetry Machine Learning Computer Simulation Reproducibility of Results Adult Male Image Processing, Computer-Assisted Humans Neural Networks, Computer
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