A direct reconstruction method with vari
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Li Liu; Yuan-mei Wang
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Article
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1999
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John Wiley and Sons
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English
โ 219 KB
๐ 1 views
In this article, a direct method to reconstruct images from projections is presented. This method, having its origin in astrophysics to restore images from observed data, uses a constant upper bound and a variable lower bound to constrain the maximum and minimum values taken by the emission intensit