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In-reconstruction filtering for positron emission tomography (PET) list mode iterative reconstruction
In-reconstruction filtering for positron emission tomography (PET) list mode iterative reconstruction
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机译:正电子发射断层扫描(PET)列表模式迭代重建的重建中过滤
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摘要
A system (10) and a method (100) iteratively reconstruct an image of a target volume of a subject. In each iteration of a plurality of iterations, an estimate image of the target volume (54) is forward projected (58) and compared (62) to received event data (44) to determine a discrepancy (64). The discrepancy (64) is back projected (66) and the back projection (68) updates (70) the estimate image (54). In at least one iteration, the estimate image (54) is filtered (52) in the image domain prior to being back projected.
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