Experimental optical encryption of grayscale information

Velez Zea Alejandro; Fredy Barrera John; Torroba Roberto

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Experimental optical encryption of grayscale information

机译：实验光学加密灰度信息

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In this paper, we present a new protocol for achieving lower noise and consequently a higher dynamic range in optical encryption. This protocol allows for the securing and optimal recovery of any arbitrary grayscale images encrypted using an experimental double random phase mask encoding (DPRE) cryptosystem. The protocol takes advantage of recent advances that help reduce the noise due to the correlation of random phase mask in the decryption procedure and introduces the use of a "reference mask" as a reference object used to eliminate the noise due to the complex nature of the masks used in experimental DRPE setups. This noise reduction increases the dynamic range of the decrypted data, retaining the grayscale values to a higher extent and opening new possible applications. We detailed the procedure, and we present the experimental results, including an actual experimental video of a grayscale scene, confirming the validity of our proposal. (C) 2017 Optical Society of America

机译：在本文中，我们提出了一种实现较低噪声的新协议，从而实现了光学加密中的更高动态范围。该协议允许使用使用实验双随机相位掩模编码（DPRE）密码系统加密的任何任意灰度图像的保护和最佳恢复。该协议利用最近的进步，这有助于降低由于在解密过程中随机相位掩模的相关性而降低噪声，并引入了“参考掩模”作为用于消除由于复杂性质而消除噪声的参考对象的参考对象。在实验DRPE设置中使用的面具。该降噪增加了解密数据的动态范围，将灰度值保留到更高的程度并打开新的可能应用。我们详细介绍了该程序，我们介绍了实验结果，包括灰度场景的实际实验视频，确认了我们提案的有效性。（c）2017年光学学会

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来源
《Applied optics》 |2017年第21期|共7页
作者
Velez Zea Alejandro; Fredy Barrera John; Torroba Roberto;
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CONICET La Plata CIC UNLP Ctr Invest Opt RA-1897 La Plata Buenos Aires Argentina;

Univ Antioquia UdeA Fac Ciencias Exactas &

Nat Inst Fis Grp Opt &

Foton Calle 70 52-21 Medellin Colombia;

CONICET La Plata CIC UNLP Ctr Invest Opt RA-1897 La Plata Buenos Aires Argentina;

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正文语种 eng
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Experimental optical encryption of grayscale information

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