Multi-frame speckle reduction in OCT using supercontinuum pumped by noise-like pulses

Chengming Wang; Yi Jing You; Shengnan Ai; Wenxin Zhang; Wenchao Liao; Xiao Zhang; Juicheng Hsieh; Ning Zhang; Bihua Tang; Ci Ling Pan; Ping Xue

doi:10.1142/S1793545819500093

Multi-frame speckle reduction in OCT using supercontinuum pumped by noise-like pulses

Chengming Wang, Yi Jing You, Shengnan Ai, Wenxin Zhang, Wenchao Liao, Xiao Zhang, Juicheng Hsieh, Ning Zhang, Bihua Tang, Ci Ling Pan, Ping Xue^*

^*Corresponding author for this work

School of Medical and Technology

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

In most coherent imaging modality, speckle noise is a major cause that blurs the boundary of tissues and degrades the image contrast. By utilizing the unique properties of supercontinuum (SC) generated by noise-like pulses (NLPs) and a simple multi-frame averaging technique, we achieved significant speckle reduction in spectral domain optical coherence tomography (SD-OCT). We quantitatively compared the speckle of our proposed method with those of conventional swept source OCT (SS-OCT) and SD-OCT based on commercial light sources. The experimental results show that SC pumped by NLPs combined with noncoherent averaging method achieves better denoising performance in terms of contrast to noise ratio (CNR).

Original language	English
Article number	1950009
Journal	Journal of Innovative Optical Health Sciences
Volume	12
Issue number	2
DOIs	https://doi.org/10.1142/S1793545819500093
Publication status	Published - 1 Mar 2019

Keywords

Noise-like pulses
optical coherence tomography
speckle reduction
supercontinuum generation

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10.1142/S1793545819500093

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Wang, C., You, Y. J., Ai, S., Zhang, W., Liao, W., Zhang, X., Hsieh, J., Zhang, N., Tang, B., Pan, C. L., & Xue, P. (2019). Multi-frame speckle reduction in OCT using supercontinuum pumped by noise-like pulses. Journal of Innovative Optical Health Sciences, 12(2), Article 1950009. https://doi.org/10.1142/S1793545819500093

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abstract = "In most coherent imaging modality, speckle noise is a major cause that blurs the boundary of tissues and degrades the image contrast. By utilizing the unique properties of supercontinuum (SC) generated by noise-like pulses (NLPs) and a simple multi-frame averaging technique, we achieved significant speckle reduction in spectral domain optical coherence tomography (SD-OCT). We quantitatively compared the speckle of our proposed method with those of conventional swept source OCT (SS-OCT) and SD-OCT based on commercial light sources. The experimental results show that SC pumped by NLPs combined with noncoherent averaging method achieves better denoising performance in terms of contrast to noise ratio (CNR).",

keywords = "Noise-like pulses, optical coherence tomography, speckle reduction, supercontinuum generation",

author = "Chengming Wang and You, {Yi Jing} and Shengnan Ai and Wenxin Zhang and Wenchao Liao and Xiao Zhang and Juicheng Hsieh and Ning Zhang and Bihua Tang and Pan, {Ci Ling} and Ping Xue",

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AU - You, Yi Jing

AU - Ai, Shengnan

AU - Zhang, Wenxin

AU - Liao, Wenchao

AU - Zhang, Xiao

AU - Hsieh, Juicheng

AU - Zhang, Ning

AU - Tang, Bihua

AU - Pan, Ci Ling

AU - Xue, Ping

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N2 - In most coherent imaging modality, speckle noise is a major cause that blurs the boundary of tissues and degrades the image contrast. By utilizing the unique properties of supercontinuum (SC) generated by noise-like pulses (NLPs) and a simple multi-frame averaging technique, we achieved significant speckle reduction in spectral domain optical coherence tomography (SD-OCT). We quantitatively compared the speckle of our proposed method with those of conventional swept source OCT (SS-OCT) and SD-OCT based on commercial light sources. The experimental results show that SC pumped by NLPs combined with noncoherent averaging method achieves better denoising performance in terms of contrast to noise ratio (CNR).

AB - In most coherent imaging modality, speckle noise is a major cause that blurs the boundary of tissues and degrades the image contrast. By utilizing the unique properties of supercontinuum (SC) generated by noise-like pulses (NLPs) and a simple multi-frame averaging technique, we achieved significant speckle reduction in spectral domain optical coherence tomography (SD-OCT). We quantitatively compared the speckle of our proposed method with those of conventional swept source OCT (SS-OCT) and SD-OCT based on commercial light sources. The experimental results show that SC pumped by NLPs combined with noncoherent averaging method achieves better denoising performance in terms of contrast to noise ratio (CNR).

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Multi-frame speckle reduction in OCT using supercontinuum pumped by noise-like pulses

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Keywords

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