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Experimentaldemonstration of therandom phase encodingtechnique for imageencryption andsecurity verification Bahram JavidiGuanshen ZhangJian Li1996 год

Experimental demonstration of the random phase encoding technique for image encryption and security verification
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Аннотация: Optical image encryption and security using random phase encoding techniques have been proposed recently. We present optical experimental results for image encryption and security. The results show that for the image encryption, the image can be well encrypted using random phase masks with a limited number of pixels. We also tested the performance of the optical system for security verification in the pres- ence of different types of input noise and distortions such as scratches, fingerprint marks, and bending of the phase mask. The experimental results indicate that for the severity of the noise and the degree of dis- tortion tested here, the system provides good performance in verifying the phase code. © 1996 Society of Photo-Optical Instrumentation Engineers.
Год издания: 1996
Авторы: Bahram Javidi, Guanshen Zhang, Jian Li
Издательство: SPIE
Источник: Optical Engineering
Ключевые слова: Chaos-based Image/Signal Encryption, Advanced Optical Imaging Technologies, Advanced Steganography and Watermarking Techniques