نتایج جستجو برای: metal artifact
تعداد نتایج: 215918 فیلتر نتایج به سال:
A prepolarized MRI (PMRI) scanner was used to image near metal implants in agar gel phantoms and in in vivo human wrists. Comparison images were made on 1.5- and 0.5-T conventional whole-body systems. The PMRI experiments were performed in a smaller bore system tailored to extremity imaging with a prepolarization magnetic field of 0.4 T and a readout magnetic field of 27-54 mT (1.1-2.2 MHz). Sc...
Due to the presence of metallic implants, imaging quality computed tomography (CT) would be heavily degraded. With rapid development deep learning, several neural network models have been proposed for metal artifact reduction (MAR). Since dual-domain MAR methods can leverage hybrid information from both sinogram and image domains, they significantly improved performance compared single domain m...
EP-2187 Metal artifact correction improves dose calculation of intensity modulated radiation therapy
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