Proceedings of the Optical Society of Korea Conference (한국광학회:학술대회논문집)
- 2003.02a
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- Pages.62-63
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- 2003
Shift and noise tolerance encryption system using a phase-based virtual image
가상위상영상을 이용한 잡음 및 변이에 강한 암호화 시스템
Abstract
We propose an improved image encryption and the shift-tolerance method in the Fourier space using a virtual phase image. The encrypted image is obtained by the Fourier transform of the product of a phase-encoded virtual image, not an original image, and a random phase image. We demonstrate the robustness to noise, to data loss and shift of the encrypted image or the Fourier decryption key in the proposed technique.
Keywords