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16 March 2023 Label-free hyperspectral retinal imaging system with an extended depth of field (Conference Presentation)
Ruixuan Zhao, Qi Cui, Liang Gao
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Proceedings Volume PC12391, Label-free Biomedical Imaging and Sensing (LBIS) 2023; PC1239109 (2023) https://doi.org/10.1117/12.2648535
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
We apply the label-free hyperspectral light field tomographic (Hyper-LIFT) technology in eye imaging application. A 5D (x, y, θ, φ, λ) (x, y, spatial coordinates; θ, φ, angular coordinates; λ, wavelength) 300×300×4×4×90 plenoptic datacube were acquired with a spectrum range from 530nm to 570nm in a snapshot. The capability of capturing light field enables digital refocusing which extend the depth of field. We demonstrate the spectral imaging performance with a color checker and artificial eye model.
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Ruixuan Zhao, Qi Cui, and Liang Gao "Label-free hyperspectral retinal imaging system with an extended depth of field (Conference Presentation)", Proc. SPIE PC12391, Label-free Biomedical Imaging and Sensing (LBIS) 2023, PC1239109 (16 March 2023); https://doi.org/10.1117/12.2648535
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KEYWORDS
Retinal scanning
Hyperspectral imaging
Imaging systems
Focus stacking
Cameras
Retina
Optical coherence tomography
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