DCT Domain Image Encryption Algorithm Based on Lorenz Chaotic System

Yan Xu

doi:10.4028/www.scientific.net/AMM.556-562.5168

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562DCT Domain Image Encryption Algorithm Based on...

DCT Domain Image Encryption Algorithm Based on Lorenz Chaotic System

Abstract:

The author proposes a novel DCT domain image encryption algorithm based on Lorenz chaotic system. The paper firstly subdivides digital image into sub-images, each of which is transformed with DCT transform. Then some DCT transform coefficients are selected with filtering. Finally the retained DCT transform coefficients are cross encrypted with three chaotic sequences which Lorenz chaotic system generates. Simulation experiments and secure performance analysis show that the algorithm has a good encryption effect and anti-attack abilities.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

5168-5171

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.5168

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Online since:

May 2014

Authors:

Yan Xu*

Keywords:

DCT Transform, Image Encryption, Lorenz Chaotic System

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* - Corresponding Author

References

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