Research on text encryption and hiding method with double-random phase-encoding

Hongsheng Xu; Nong Sang

doi:10.1117/12.2031508

26 October 2013 Research on text encryption and hiding method with double-random phase-encoding

Hongsheng Xu, Nong Sang

Proceedings Volume 8921, MIPPR 2013: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications; 89211E (2013) https://doi.org/10.1117/12.2031508
Event: Eighth International Symposium on Multispectral Image Processing and Pattern Recognition, 2013, Wuhan, China

Abstract

By using optical image processing techniques, a novel text encryption and hiding method applied by double-random phase-encoding technique is proposed in the paper. The first step is that the secret message is transformed into a 2- dimension array. The higher bits of the elements in the array are used to fill with the bit stream of the secret text, while the lower bits are stored specific values. Then, the transformed array is encoded by double random phase encoding technique. Last, the encoded array is embedded on a public host image to obtain the image embedded with hidden text. The performance of the proposed technique is tested via analytical modeling and test data stream. Experimental results show that the secret text can be recovered either accurately or almost accurately, while maintaining the quality of the host image embedded with hidden data by properly selecting the method of transforming the secret text into an array and the superimposition coefficient.

Citation Download Citation

Hongsheng Xu and Nong Sang "Research on text encryption and hiding method with double-random phase-encoding", Proc. SPIE 8921, MIPPR 2013: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications, 89211E (26 October 2013); https://doi.org/10.1117/12.2031508

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KEYWORDS

Image restoration

Image quality

Computer programming

Image encryption

Data modeling

Fourier transforms

Optical image encryption

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