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- W2144017312 abstract "This paper introduces a multiplicative iterative (MI) algorithm for image reconstructions in tomography. This algorithm can accommodate objective functions deduced from different probability models for measurements. Poisson and Gaussian (for both emission and transmission scans), or shifted Poisson (for precorrected PET and X-ray CT), are examples of such measurement probability models. This MI algorithm is very easy to implement and respects the positivity constraint. Furthermore, an exact or approximate line search step can be easily incorporated into this algorithm so that the objective functions are guaranteed to increase during the iterations." @default.
- W2144017312 created "2016-06-24" @default.
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- W2144017312 date "2008-05-01" @default.
- W2144017312 modified "2023-09-26" @default.
- W2144017312 title "Multiplicative iterative algorithms for positive constrained reconstructions in emission and transmission tomography" @default.
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- W2144017312 doi "https://doi.org/10.1109/isbi.2008.4541177" @default.
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