Artifacts and artifact removal in optical coherence tomographic angiography

Tristan T. Hormel, David Huang, Yali Jia

Research output: Contribution to journalReview articlepeer-review

Abstract

Optical coherence tomographic angiography (OCTA) enables rapid imaging of retinal vasculature in three dimensions. While the technique has provided quantification of healthy vessels as well as pathology in several diseases, it is not unusual for OCTA data to contain artifacts that may influence measurement outcomes or defy image interpretation. In this review, we discuss the sources of several OCTA artifacts-including projection, motion, and signal reduction-as well as strategies for their removal. Artifact compensation can improve the accuracy of OCTA measurements, and the most effective use of the technology will incorporate hardware and software that can perform such correction.

Original languageEnglish (US)
Pages (from-to)1120-1133
Number of pages14
JournalQuantitative Imaging in Medicine and Surgery
Volume11
Issue number3
DOIs
StatePublished - Mar 2021

Keywords

  • Artifact correction
  • Imaging artifacts
  • Optical coherence tomographic angiography (OCTA)

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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