Artifacts and artifact removal in optical coherence tomographic angiography | Zendy

Tristan T. Hormel | Zendy; David Huang | Zendy; Yali Jia | Zendy

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Artifacts and artifact removal in optical coherence tomographic angiography

Author(s) -

Tristan T. Hormel,

David Huang,

Yali Jia

Publication year - 2020

Publication title -

quantitative imaging in medicine and surgery

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.766

H-Index - 21

eISSN - 2223-4292

pISSN - 2223-4306

DOI - 10.21037/qims-20-730

Subject(s) - artifact (error) , computer science , computer vision , optical coherence tomography angiography , projection (relational algebra) , artificial intelligence , coherence (philosophical gambling strategy) , software , tomographic reconstruction , angiography , optical coherence tomography , radiology , medicine , iterative reconstruction , algorithm , physics , programming language , quantum mechanics

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.

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