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10 April 2023 Correlation-based ultrasound imaging using experimental baseline
Tamara Krpic, Maxime Bilodeau, Nicolas Quaegebeur, Patrice Masson
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Proceedings Volume 12470, Medical Imaging 2023: Ultrasonic Imaging and Tomography; 1247008 (2023) https://doi.org/10.1117/12.2654218
Event: SPIE Medical Imaging, 2023, San Diego, California, United States
Abstract
This paper describes a novel way to exploit the correlation-based (CB) imaging algorithm Excitelet, based on correlation of measured signals with reference signals. In this study, reference signals are approximated using an experimental baseline instead of computing it. The reference signals are obtained by experimentally measuring the Full-Matrix Capture (FMC) with individual reflectors located at one point at a time of a determined imaging grid. This experimental CB (Exp CB) approach makes fewer model assumptions than the numerical CB (Num CB) method, meaning that the baseline is closer to reality, resulting in better spatial resolution and contrast of the imaging.
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Tamara Krpic, Maxime Bilodeau, Nicolas Quaegebeur, and Patrice Masson "Correlation-based ultrasound imaging using experimental baseline", Proc. SPIE 12470, Medical Imaging 2023: Ultrasonic Imaging and Tomography, 1247008 (10 April 2023); https://doi.org/10.1117/12.2654218
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KEYWORDS
Ultrasonography
Nondestructive evaluation
Medical imaging applications
Reflectors
Spatial resolution
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