Progress toward inexpensive endoscopic high-resolution common-path OCT

Xuan Liu; Jin U. Kang

doi:10.1117/12.843277

Progress toward inexpensive endoscopic high-resolution common-path OCT

Xuan Liu, Jin U. Kang

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Scopus citations

Abstract

Presented in this work is our effort to develop a simple, inexpensive high resolution fiber-optic Optical Coherence Tomography. The approach is based on common-path Fourier Domain OCT (CP-FDOCT), which can lead to applications for both microsurgical tool control and high-resolution endoscopic imaging. The system utilizes a combination of standard fiber optic components and novel signal processing techniques in order to achieve high axial resolution and to simplify the system. High axial resolution is achieved by implementing the Enhanced Lee filter to reduce speckle noise in the OCT image and Richardson-Lucy deconvolution algorithm afterwards to suppress sidelobes induced by the system's point spread function. This also improves the lateral resolution. Utilizing the simple CP-FDOCT and this algorithm, using an onion as a sample, we have obtained images that have improved resolution and signal to noise ratio by 6dB.

Original language	English (US)
Title of host publication	Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications X
DOIs	https://doi.org/10.1117/12.843277
State	Published - 2010
Externally published	Yes
Event	Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications X - San Francisco, CA, United States Duration: Jan 23 2010 → Jan 24 2010

Publication series

Name	Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume	7559
ISSN (Print)	1605-7422

Other

Other	Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications X
Country/Territory	United States
City	San Francisco, CA
Period	1/23/10 → 1/24/10

All Science Journal Classification (ASJC) codes

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

Access to Document

10.1117/12.843277

Cite this

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title = "Progress toward inexpensive endoscopic high-resolution common-path OCT",

abstract = "Presented in this work is our effort to develop a simple, inexpensive high resolution fiber-optic Optical Coherence Tomography. The approach is based on common-path Fourier Domain OCT (CP-FDOCT), which can lead to applications for both microsurgical tool control and high-resolution endoscopic imaging. The system utilizes a combination of standard fiber optic components and novel signal processing techniques in order to achieve high axial resolution and to simplify the system. High axial resolution is achieved by implementing the Enhanced Lee filter to reduce speckle noise in the OCT image and Richardson-Lucy deconvolution algorithm afterwards to suppress sidelobes induced by the system's point spread function. This also improves the lateral resolution. Utilizing the simple CP-FDOCT and this algorithm, using an onion as a sample, we have obtained images that have improved resolution and signal to noise ratio by 6dB.",

author = "Xuan Liu and Kang, {Jin U.}",

year = "2010",

doi = "10.1117/12.843277",

language = "English (US)",

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series = "Progress in Biomedical Optics and Imaging - Proceedings of SPIE",

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Liu, X & Kang, JU 2010, Progress toward inexpensive endoscopic high-resolution common-path OCT. in Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications X., 755902, Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 7559, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications X, San Francisco, CA, United States, 1/23/10. https://doi.org/10.1117/12.843277

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N2 - Presented in this work is our effort to develop a simple, inexpensive high resolution fiber-optic Optical Coherence Tomography. The approach is based on common-path Fourier Domain OCT (CP-FDOCT), which can lead to applications for both microsurgical tool control and high-resolution endoscopic imaging. The system utilizes a combination of standard fiber optic components and novel signal processing techniques in order to achieve high axial resolution and to simplify the system. High axial resolution is achieved by implementing the Enhanced Lee filter to reduce speckle noise in the OCT image and Richardson-Lucy deconvolution algorithm afterwards to suppress sidelobes induced by the system's point spread function. This also improves the lateral resolution. Utilizing the simple CP-FDOCT and this algorithm, using an onion as a sample, we have obtained images that have improved resolution and signal to noise ratio by 6dB.

AB - Presented in this work is our effort to develop a simple, inexpensive high resolution fiber-optic Optical Coherence Tomography. The approach is based on common-path Fourier Domain OCT (CP-FDOCT), which can lead to applications for both microsurgical tool control and high-resolution endoscopic imaging. The system utilizes a combination of standard fiber optic components and novel signal processing techniques in order to achieve high axial resolution and to simplify the system. High axial resolution is achieved by implementing the Enhanced Lee filter to reduce speckle noise in the OCT image and Richardson-Lucy deconvolution algorithm afterwards to suppress sidelobes induced by the system's point spread function. This also improves the lateral resolution. Utilizing the simple CP-FDOCT and this algorithm, using an onion as a sample, we have obtained images that have improved resolution and signal to noise ratio by 6dB.

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Progress toward inexpensive endoscopic high-resolution common-path OCT

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