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Multi-Factor Model of an Optical Encryption System with Spatially Incoherent Illumination
Optoelectronics, Instrumentation and Data Processing ( IF 0.5 ) Pub Date : 2020-03-01 , DOI: 10.3103/s8756699020020041
N. N. Evtikhiev , V. V. Krasnov , R. S. Starikov , A. V. Shifrina

Abstract A multi-factor model of an optical encryption system with spatially incoherent illumination is proposed. This model takes into account the influence of the recording photosensor noise, changes in image resoltion during transmission through the optical system, spurious illumination, and noise from the synthesis of the encryption diffraction optical element on the quality of the decoded image. It is shown that the proposed model correlates well with the optical experiment (the deencryption error differs by no more than 6 $$\%$$ ).

中文翻译:

空间非相干照明光加密系统的多因素模型

摘要 提出了空间非相干照明光加密系统的多因素模型。该模型考虑了记录光电传感器噪声、通过光学系统传输过程中图像分辨率的变化、杂散照明以及来自加密衍射光学元件合成的噪声对解码图像质量的影响。结果表明,所提出的模型与光学实验相关性很好(解密误差相差不超过 6 $$\%$$ )。
更新日期:2020-03-01
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