Multiple-image encryption and hiding with an optical diffractive neural network

21 Feb 2019Yang GaoShuming JiaoJuncheng FangTing LeiZhenwei XieXiaocong Yuan

A cascaded phase-only mask architecture (or an optical diffractive neural network) can be employed for different optical information processing tasks such as pattern recognition, orbital angular momentum (OAM) mode conversion, image salience detection and image encryption. However, for optical encryption and watermarking applications, such a system usually cannot process multiple pairs of input images and output images simultaneously... (read more)

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