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Coded aperture-based compressive data page for optical data storage
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DOI：10.1364/OL.495913.png)
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Abstract
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In an era of data explosion, optical data storage provides an alternative solution for cold data storage due to its energy-saving and cost-effective features. However, its data density is still insufficient for zettabyte-scale cold data storage. Here, a coded aperture-based compressive data page with a compression ratio of <= 0.125 is proposed. Based on two frameworks-weighted nuclear norm minimization (WNNM) and alternating direction method of multipliers (ADMM)-the decoded quality of the compressive data page is ensured by utilizing sparsity priors. In experiments, compressive data pages of a monochromatic photo-array, full-color photo, and dynamic video are accurately decoded. (c) 2023 Optica Publishing Group
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