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ITERATIVE RECONSTRUCTION FOR X-RAY COMPUTED TOMOGRAPHY USING PRIOR-IMAGE INDUCED NONLOCAL REGULARIZATION
ITERATIVE RECONSTRUCTION FOR X-RAY COMPUTED TOMOGRAPHY USING PRIOR-IMAGE INDUCED NONLOCAL REGULARIZATION
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机译:利用先前图像诱导的非局部调节进行X射线计算机断层摄影术的迭代重建
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摘要
Disclosed is a method for performing X-ray Computed Tomography scanning, the method including acquiring a plurality of images of an object, obtaining an initial image from the plurality of images, calculating NonLocal weight of the initial image, utilizing a current image estimation and registered prior image, performing a successive over-relaxation optimization to yield a new image estimation with an intensity of the new image estimation equal or greater than zero, performing a cycle update, generating an image of the object utilizing the new image estimation obtained from the optimization, and outputting a resultant image.
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