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Time reversal and phase coherent music techniques for super-resolution ultrasound imaging

United States Patent

9,955,944
May 1, 2018
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
Systems and methods for super-resolution ultrasound imaging using a windowed and generalized TR-MUSIC algorithm that divides the imaging region into overlapping sub-regions and applies the TR-MUSIC algorithm to the windowed backscattered ultrasound signals corresponding to each sub-region. The algorithm is also structured to account for the ultrasound attenuation in the medium and the finite-size effects of ultrasound transducer elements. A modified TR-MUSIC imaging algorithm is used to account for ultrasound scattering from both density and compressibility contrasts. The phase response of ultrasound transducer elements is accounted for in a PC-MUSIC system.
Huang; Lianjie (Los Alamos, NM), Labyed; Yassin (Los Alamos, NM)
Los Alamos National Security, LLC (Los Alamos, NM)
14/ 339,791
July 24, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Contract No. DE-AC52-06NA25396 awarded by the Department of Energy. The Government has certain rights in the invention.