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- W2108649502 abstract "The measurement of the brachial artery diameter is frequently used in clinical studies for evaluating the flow-mediated dilation and, in conjunction with the blood pressure value, for assessing arterial stiffness. This paper presents a system for computing the brachial artery diameter in real-time by analyzing B-mode ultrasound images. The method is based on a robust edge detection algorithm which is used to automatically locate the two walls of the vessel. The measure of the diameter is obtained with subpixel precision and with a temporal resolution of 25 samples/s, so that the small dilations induced by the cardiac cycle can also be retrieved. The algorithm is implemented on a standalone video processing board which acquires the analog video signal from the ultrasound equipment. Results are shown in real-time on a graphical user interface. The system was tested both on synthetic ultrasound images and in clinical studies of flow-mediated dilation. Accuracy, robustness, and intra/inter observer variability of the method were evaluated" @default.
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- W2108649502 date "2007-03-01" @default.
- W2108649502 modified "2023-09-23" @default.
- W2108649502 title "A System for Real-Time Measurement of the Brachial Artery Diameter in B-Mode Ultrasound Images" @default.
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- W2108649502 doi "https://doi.org/10.1109/tmi.2006.891477" @default.
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