Optical transformation based image encryption and data embedding techniques using MATLAB

Debalina Bhattacharya; Ajay Ghosh

doi:10.1117/12.2181511

15 June 2015 Optical transformation based image encryption and data embedding techniques using MATLAB

Debalina Bhattacharya, Ajay Ghosh

Proceedings Volume 9654, International Conference on Optics and Photonics 2015; 965427 (2015) https://doi.org/10.1117/12.2181511
Event: International Conference on Optics and Photonics 2015, 2015, Kolkata, India

Abstract

The proposed work describes optical transformations such as Fourier transformation and Fresnel transformation based encryption and decryption of images using random phase masks (RPMs). The encrypted images have been embedded in some secret cover files of other formats like text files, word files, audio files etc to increase the robustness in the security applications. So, if any one wants to send confidential documents, it will be difficult for the interloper to unhide the secret information. The whole work has been done in MATLAB®

Citation Download Citation

Debalina Bhattacharya and Ajay Ghosh "Optical transformation based image encryption and data embedding techniques using MATLAB", Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 965427 (15 June 2015); https://doi.org/10.1117/12.2181511

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KEYWORDS

Image encryption

MATLAB

Image processing

Computer security

Convolution

Near field diffraction

Cryptography

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