Coded aperture-based compressive data page for optical data storage

被引：3
|
作者：
He, Zehao [1 ]
Liu, Kexuan [1 ]
Fan, Mao [1 ]
Cao, Liangcai [1 ]
机构：
[1] Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instrum, Beijing 100084, Peoples R China
来源：
OPTICS LETTERS | 2023年 / 48卷 / 16期
关键词：
MEMORY; IMAGE;
D O I：
10.1364/OL.495913
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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
引用
收藏
页码：4304 / 4307
页数：4
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