STREAK ARTIFACTS FROM NONCONVEX METAL OBJECTS IN X-RAY TOMOGRAPHY

Yiran Wang, Yuzhou Zou

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We study artifacts in the reconstruction of X-ray tomography due to nonlinear effects. For nonconvex metal objects, we analyze the new phenomena of streak artifacts from inflection points on the boundary of metal objects. We characterize the location and strength of all possible artifacts using notions of conormal distributions associated with the proper geometry.

Original languageEnglish (US)
Pages (from-to)295-318
Number of pages24
JournalPure and Applied Analysis
Volume3
Issue number2
DOIs
StatePublished - 2021

Keywords

  • conormal distributions
  • metal artifacts
  • microlocal analysis
  • X-ray tomography

ASJC Scopus subject areas

  • Analysis
  • Mathematical Physics

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