Optimized OCT-based depth-resolved model for attenuation compensation using point-spread-function calibration

Yaning Wang, Shuwen Wei, Shoujing Guo, Jin U. Kang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Optical coherence tomography (OCT) with a robust depth-resolved attenuation compensation method for a wide range of imaging applications is proposed and demonstrated. The proposed novel OCT attenuation compensation algorithm introduces an optimized axial point spread function (PSF) to modify existing depth-resolved methods and mitigates under and overestimation in biological tissues, providing a uniform resolution over the entire imaging range. The preliminary study is implemented using A-mode numerical simulation, where this method achieved stable and robust compensation results over the entire depth of samples. The experiment results using phantoms and corneal imaging exhibit agreement with the simulation result evaluated using signal-to-noise (SNR) and contrast-to-noise (CNR) metrics.

Original languageEnglish (US)
Title of host publicationOptical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXI
EditorsIsrael Gannot, Katy Roodenko
PublisherSPIE
ISBN (Electronic)9781510641051
DOIs
StatePublished - 2021
Externally publishedYes
EventOptical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXI 2021 - Virtual, Online, United States
Duration: Mar 6 2021Mar 11 2021

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume11635
ISSN (Print)1605-7422

Conference

ConferenceOptical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXI 2021
Country/TerritoryUnited States
CityVirtual, Online
Period3/6/213/11/21

Keywords

  • Contrast improvement
  • Optical attenuation coefficient
  • Optical coherence tomography
  • Optimized depth-resolved estimation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Atomic and Molecular Physics, and Optics
  • Radiology Nuclear Medicine and imaging

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