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Limited-view binary tomography reconstruction assisted by shape centroid

Authors
  • Lukić, Tibor1
  • Balázs, Péter2
  • 1 University of Novi Sad,
  • 2 University of Szeged,
Type
Published Article
Journal
The Visual Computer
Publisher
Springer Berlin Heidelberg
Publication Date
Jan 12, 2021
Pages
1–11
Identifiers
DOI: 10.1007/s00371-020-02044-8
PMID: 33456100
PMCID: PMC7802814
Source
PubMed Central
Keywords
Disciplines
  • Original Article
License
Unknown

Abstract

In this paper, the binary tomographic reconstruction problem for very limited projection data availability is considered. Being this inverse problem highly ill-posed, we propose a new reconstruction model that uses a shape centroid-based regularization term, i.e., we assume that the center of gravity of the object of interest is known, at least approximately, in advance. Motivation for this regularization is found in the close connection between the projection data and the object centroid, as we will show. Experimental evaluation underpins that reasonable results can be obtained from practically minimal amount of projection data, gathered from just one projection direction.

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