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To determine whether computed tomography (CT) or magnetic resonance imaging (MRI) is more suitable for the patient-specific instrumentation (PSI) systems for total knee arthroplasty (TKA).PubMed, Embase, and the Cochrane Library were searched from inception to June 2016 for prospective comparative trials that compared CT- versus MRI-based PSI systems for TKA. Our predefined primary outcome was the...
Mild cognitive impairment (MCI) represents a transitional state between normal aging and Alzheimer’s disease (AD). Non-invasive diagnostic methods are desirable to identify MCI for early therapeutic interventions. In this study, we proposed a support vector machine (SVM)-based method to discriminate between MCI patients and normal controls (NCs) using multi-level characteristics of magnetic resonance...
Fe-based nanocrystalline soft magnetic alloy, namely nanocrystalline core, has been considered to be an ideal iron-core material in power system. The equivalent model of nanocrystalline core was established at mesoscopic scale by using three-dimensional micromagnetic simulation, and the static and high-frequency magnetic characteristics of the cores were studied separately. Under DC magnetic field,...
MRI medical image segmentation is one of important problem in medical image processing. It is more challenging compared to other image processing problems due to the large variability in shapes, complexity of medical structures. In the paper, a new segmentation approach of magnetic resonance brain tissues image based on support vector machines (SVM) and level set method is presented. Firstly, reduced...
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