
1.Department of Mechanical Engineering, Yonsei University, Seoul 03722, Republic of Korea
2.The DABOM Inc, Seoul 03722, Republic of Korea
3.School of Integrated Technology, Yonsei University, Incheon 21983, Republic of Korea
Chulmin Joo (cjoo@yonsei.ac.kr)
Published:31 December 2023,
Published Online:13 November 2023,
Received:16 March 2023,
Revised:09 September 2023,
Accepted:07 October 2023
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Seong, B. et al. E2E-BPF microscope: extended depth-of-field microscopy using learning-based implementation of binary phase filter and image deconvolution. Light: Science & Applications, 12, 2610-2623 (2023).
Seong, B. et al. E2E-BPF microscope: extended depth-of-field microscopy using learning-based implementation of binary phase filter and image deconvolution. Light: Science & Applications, 12, 2610-2623 (2023). DOI: 10.1038/s41377-023-01300-5.
Several image-based biomedical diagnoses require high-resolution imaging capabilities at large spatial scales. However
conventional microscopes exhibit an inherent trade-off between depth-of-field (DoF) and spatial resolution
and thus require objects to be refocused at each lateral location
which is time consuming. Here
we present a computational imaging platform
termed E2E-BPF microscope
which enables large-area
high-resolution imaging of large-scale objects without serial refocusing. This method involves a physics-incorporated
deep-learned design of binary phase filter (BPF) and jointly optimized deconvolution neural network
which altogether produces high-resolution
high-contrast images over extended depth ranges. We demonstrate the method through numerical simulations and experiments with fluorescently labeled beads
cells and tissue section
and present high-resolution imaging capability over a 15.5-fold larger DoF than the conventional microscope. Our method provides highly effective and scalable strategy for DoF-extended optical imaging system
and is expected to find numerous applications in rapid image-based diagnosis
optical vision
and metrology.
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