A componentwise iterated relative entropy regularization method with updated prior and regularization parameter

Details A componentwise iterated relative entropy regularization method with updated prior and regularization parameter A componentwise iterated relative entropy regularization method with updated prior and regularization parameter

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007invpr..23.2121r&link_type=abstract

Inverse Problems, Volume 23, Issue 5, pp. 2121-2139 (2007).

Computer Science

2

Scientific paper

We present a componentwise iterated relative entropy regularization method (COMET) where the prior and regularization parameter could be updated in the iterates. Such a reconstruction method could be useful for multicomponent inverse problems, such as the one occurring in electron tomography. The paper also contains a brief introduction to regularization theory with emphasis on variational based regularization methods, and we rigorously prove that the tolerance-based entropy reconstruction method that occurs in the COMET iterates is a regularization method. We conclude by showing examples of COMET applied to electron tomography data.

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