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A novel motion compensation algorithm for acoustic radiation force elastography

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3 Author(s)
Brian J. Fahey ; Dept. of Biomed. Eng., Duke Univ., Durham, NC ; Stephen J. Hsu ; Gregg E. Trahey

A novel method of physiological motion compensation for use with radiation force elasticity imaging has been developed. The method utilizes a priori information from finite element method models of the response of soft tissue to impulsive radiation force to isolate physiological motion artifacts from radiation force-induced displacement fields. The new algorithm is evaluated in a series of clinically realistic imaging scenarios, and its performance is compared to that achieved with previously described motion compensation algorithms. Though not without limitations, the new model-based motion compensation algorithm performs favorably in many circumstances and may be a logical choice for use with in vivo abdominal imaging.

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IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control  (Volume:55 ,  Issue: 5 )