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Inversion of nonlinear spectral CT pile up model

B. Sixou


In this work, we present a reconstrucion approach for nonlinear spectral CT pile up model. The reconstruction method is based on randomized Kaczmarz projections and a mixed TV - L_1 regularization. The efficiency of the method is shown on very simple phantoms with iodine or gadolinium.


Inverse problems, spectral CT, pile up model.

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