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5 November 2020 Restoration for fiber bundle endomicroscopy using a fast iterative shrinkage-thresholding algorithm
Jialin Liu, Wei Zhou, Baoteng Xu, Xibin Yang, Daxi Xiong
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Proceedings Volume 11566, AOPC 2020: Optical Spectroscopy and Imaging; and Biomedical Optics; 1156612 (2020) https://doi.org/10.1117/12.2579852
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China
Abstract
Optical endomicroscope via fiber bundles has been widely used to provide cellular-level visualization for clinical applications. However, improving the quality and spatial resolution of the under-sampling images obtained by fiber bundle with the inter-core spacing remains a challenging problem. In this paper, we address the problem of deconvolution and restoration in fiber-bundle-based imaging. We propose a fast iterative shrinkage-thresholding algorithm (FISTA) solve this problem, and a high-resolution (HR) image without honeycomb patterns is restored from a low-resolution (LR) fiber bundle image. The feasibility of this mothed is verified by experimental results, which shows a promising and wide applications for fiber bundle imaging.
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Jialin Liu, Wei Zhou, Baoteng Xu, Xibin Yang, and Daxi Xiong "Restoration for fiber bundle endomicroscopy using a fast iterative shrinkage-thresholding algorithm", Proc. SPIE 11566, AOPC 2020: Optical Spectroscopy and Imaging; and Biomedical Optics, 1156612 (5 November 2020); https://doi.org/10.1117/12.2579852
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KEYWORDS
Endomicroscopy
Imaging systems
Image resolution
Spatial resolution
Deconvolution
Reconstruction algorithms
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