However, lack of MRI compatibility results in issues such as image distortion. This fact led researchers to shift focus from USMs to pneumatic and hydraulic ...
Jul 3, 2017 · The aim is to quantify and compensate the geometric distortion of MR images as generated by the presence of USMs. An ultrasonic motor was ...
The aim is to quantify and compensate the geometric distortion of MR images as generated by the presence of USMs. An ultrasonic motor was positioned in three ...
Ultrasonic motor-induced geometric distortions in magnetic resonance images ; Journal: Medical & Biological Engineering & Computing, 2017, № 1, p. 61-70.
Apr 30, 2019 · Geometric distortions are the curved lines indicated by the dashed arrows. In fact, they are distorted straight lines of the phantom's gridded ...
Results: Signal voids, pileups, and geometric distortions were observed when the motor was off. The artifact size was minimal when the motor shaft was aligned ...
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The aim is to quantify and compensate the geometric distortion of MR images as generated by the presence of USMs. An ultrasonic motor was positioned in three ...
May 6, 2019 · Results: Signal voids, pileups, and geometric distortions were observed when the motor was off. The artifact size was minimal when the motor ...
This study raises awareness about major challenges regarding operation of an MRgFUS system in the MRI environment and proposes simple measures that could ...