Experimentally unsupervised deconvolution for light-sheet microscopy with propagation-invariant beams
Wijesinghe, Philip and Corsetti, Stella and Chow, Darren J. X. and Sakata, Shuzo and Dunning, Kylie R. and Dholakia, Kishan (2022) Experimentally unsupervised deconvolution for light-sheet microscopy with propagation-invariant beams. Light: Science & Applications, 11 (1). 319. ISSN 2047-7538 (https://doi.org/10.1038/s41377-022-00975-6)
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Abstract
Deconvolution is a challenging inverse problem, particularly in techniques that employ complex engineered point-spread functions, such as microscopy with propagation-invariant beams. Here, we present a deep-learning method for deconvolution that, in lieu of end-to-end training with ground truths, is trained using known physics of the imaging system. Specifically, we train a generative adversarial network with images generated with the known point-spread function of the system, and combine this with unpaired experimental data that preserve perceptual content. Our method rapidly and robustly deconvolves and super-resolves microscopy images, demonstrating a two-fold improvement in image contrast to conventional deconvolution methods. In contrast to common end-to-end networks that often require 1000–10,000s paired images, our method is experimentally unsupervised and can be trained solely on a few hundred regions of interest. We demonstrate its performance on light-sheet microscopy with propagation-invariant Airy beams in oocytes, preimplantation embryos and excised brain tissue, as well as illustrate its utility for Bessel-beam LSM. This method aims to democratise learned methods for deconvolution, as it does not require data acquisition outwith the conventional imaging protocol.
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Item type: Article ID code: 83211 Dates: DateEvent2 November 2022Published31 August 2022Accepted9 August 2021SubmittedSubjects: Science > Physics > Optics. Light Department: Faculty of Science > Strathclyde Institute of Pharmacy and Biomedical Sciences Depositing user: Pure Administrator Date deposited: 15 Nov 2022 15:09 Last modified: 25 Apr 2024 01:29 URI: https://strathprints.strath.ac.uk/id/eprint/83211