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- W4386001710 abstract "Multi-spectral imaging is a fundamental tool characterizing the constituent energy of scene radiation. However, current multi-spectral video cameras cannot scale up beyond megapixel resolution due to optical constraints and the complexity of the reconstruction algorithms. To circumvent the above issues, we propose a tens-of-megapixel handheld multi-spectral videography approach (THETA), with a proof-of-concept camera achieving 65-megapixel videography of 12 wavebands within visible light range. The high performance is brought by multiple designs: We propose an imaging scheme to fabricate a thin mask for encoding spatio-spectral data using a conventional film camera. Afterwards, a fiber optic plate is introduced for building a compact prototype supporting pixel-wise encoding with a large space-bandwidth product. Finally, a deep-network-based algorithm is adopted for large-scale multi-spectral data decoding, with the coding pattern specially designed to facilitate efficient coarse-to-fine model training. Experimentally, we demonstrate THETA's advantageous and wide applications in outdoor imaging of large macroscopic scenes." @default.
- W4386001710 created "2023-08-20" @default.
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- W4386001710 date "2023-08-19" @default.
- W4386001710 modified "2023-10-16" @default.
- W4386001710 title "Handheld snapshot multi-spectral camera at tens-of-megapixel resolution" @default.
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- W4386001710 doi "https://doi.org/10.1038/s41467-023-40739-3" @default.
- W4386001710 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37598234" @default.
- W4386001710 hasPublicationYear "2023" @default.
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