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Fast iterative algorithm for superresolving computed tomography with missing data
Fast iterative algorithm for superresolving computed tomography with missing data
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机译:快速迭代算法,可在缺少数据的情况下对计算机层析成像进行超分辨率
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摘要
Disclosed is a method, program product, and computer system that provides iterative computed tomography (CT) image reconstruction. The approach produces an image whose resolving power exceeds that of conventional algorithms, and utilizes an inner and out iterative loop, configured by ordered subsets criteria, to perform: projecting a reconstructed image; resampling a resulting calculated projection, thereby enabling super-resolution; calculating a comparison quantity with the collected projection array (e.g., sinogram); backprojecting onto a correction array a function that utilizes the comparison quantity; and generating a new reconstructed image with an operation involving the correction array.
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