Study on Encryption and Decryption Algorithm and its Matlab Realization

Yong Song Zhu

doi:10.4028/www.scientific.net/AMR.282-283.363

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 282-283Study on Encryption and Decryption Algorithm and...

Study on Encryption and Decryption Algorithm and its Matlab Realization

Abstract:

The paper studies the process of how to encrypt images through Logistic chaotic model, how to use DCT transform to hide the encrytion image in the carrier image and how to restore the images through DCT inverse transformation, analyzes the peak signal-to-noise ratio and realizes the whole process through Matlab.

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Periodical:

Advanced Materials Research (Volumes 282-283)

Pages:

363-366

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.282-283.363

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Online since:

July 2011

Authors:

Yong Song Zhu

Keywords:

Chaotic Model, DCT Transform, Image Scrambling, MATLAB Software, Signal-to-Noise Ratio (SNR)

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References

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[3] Song Xiaotao, Li Jun. A Blind Spread Spectrum Watermarking Algorithm Based on the DCT Transform: Computer & Digital Engineering. 2009-07-043.

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[4] TIAN Xiao-ping, WU Cheng-mao. Evaluation of image scrambling quality based on DCT transform: Computer Engineering and Applications. 2008-35-054.

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