Multi-object parallel optical encryption for single-pixel imaging security.

IF 3.3 2区 物理与天体物理 Q2 OPTICS
Optics express Pub Date : 2025-09-08 DOI:10.1364/OE.572099
Guohang Wu, Chongyang Zhang, Hongran Zeng, Seok-Tae Kim, Xiaowei Li
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引用次数: 0

Abstract

Multi-object optical encryption has emerged as a promising field for enhancing encryption performance and reducing communication overhead, which can ensure the security of single-pixel imaging. However, it faces some critical challenges like low efficiency, reliance on complex system design, high hardware costs, and the difficulty of parallel encryption with independent decryption, hindering practical deployment. In this work, an illumination pattern construction algorithm is proposed to generate projected basis patterns for parallel optical encryption, while a decoupling algorithm is developed to demodulate coupled measurements to recover Hadamard spectrum for each object. Independent decryption is then performed using a random-order Hadamard matrix assigned to each object. The proposed method achieves multi-object parallel encryption and independent decryption using a lightweight optical system, with improved efficiency, lower hardware costs, and smaller ciphertext size compared to conventional methods. In addition, it also exhibits robustness against both cropping and noise attacks. These results indicate potential for practical applications and may contribute to future developments in multi-object optical encryption for single-pixel imaging security.

用于单像素成像安全的多目标并行光学加密。
为了提高加密性能,降低通信开销,保证单像素成像的安全性,多目标光加密已成为一个有前景的领域。然而,它面临着效率低、依赖复杂的系统设计、硬件成本高、并行加密和独立解密困难等关键挑战,阻碍了实际部署。在这项工作中,提出了一种照明模式构建算法来生成并行光学加密的投影基模式,同时开发了一种解耦算法来解调耦合测量以恢复每个对象的阿达玛德频谱。然后使用分配给每个对象的随机顺序Hadamard矩阵执行独立解密。该方法利用轻量级的光学系统实现了多对象并行加密和独立解密,与传统方法相比,具有提高效率、降低硬件成本和减小密文大小的优点。此外,它还具有抗裁剪和噪声攻击的鲁棒性。这些结果表明了实际应用的潜力,并可能有助于单像素成像安全的多目标光学加密的未来发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Optics express
Optics express 物理-光学
CiteScore
6.60
自引率
15.80%
发文量
5182
审稿时长
2.1 months
期刊介绍: Optics Express is the all-electronic, open access journal for optics providing rapid publication for peer-reviewed articles that emphasize scientific and technology innovations in all aspects of optics and photonics.
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