Real-time cross-sectional and en face OCT angiography guiding high-quality scan acquisition

Xiang Wei, Acner Camino, Shaohua Pi, Tristan T. Hormel, William Cepurna, David Huang, John Morrison, Jia Yali

Research output: Contribution to journalArticle

Abstract

Defocusing, vignetting, and bulk motion degrade the image quality of optical coherence tomography angiography (OCTA) more significantly than structural OCT. The assessment of focus, alignment conditions, and stability of imaging subjects in commercially available OCTA systems are currently based on OCT signal quality alone, without knowledge of OCTA signal quality. This results in low yield rates for further quantification. In this Letter, we developed a novel OCTA platform based on a graphics processing unit (GPU) for a real-time, high refresh rate, B-san-by-B-scan split-spectrum amplitude-decorrelation angiography. The GPU provides a real-time display of both cross-sectional and en face images to assist operators during scan acquisition and ensure OCTA scan quality.

Original languageEnglish (US)
Pages (from-to)1431-1434
Number of pages4
JournalOptics Letters
Volume44
Issue number6
DOIs
StatePublished - Jan 1 2019

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angiography
acquisition
tomography
vignetting
defocusing
platforms
alignment
operators

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Real-time cross-sectional and en face OCT angiography guiding high-quality scan acquisition. / Wei, Xiang; Camino, Acner; Pi, Shaohua; Hormel, Tristan T.; Cepurna, William; Huang, David; Morrison, John; Yali, Jia.

In: Optics Letters, Vol. 44, No. 6, 01.01.2019, p. 1431-1434.

Research output: Contribution to journalArticle

Wei, Xiang ; Camino, Acner ; Pi, Shaohua ; Hormel, Tristan T. ; Cepurna, William ; Huang, David ; Morrison, John ; Yali, Jia. / Real-time cross-sectional and en face OCT angiography guiding high-quality scan acquisition. In: Optics Letters. 2019 ; Vol. 44, No. 6. pp. 1431-1434.
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