Chaotic Image Encryption Based On Discrete Wavelet

Amirhoushang Arab Avval, Jila Ayubi

Abstract


In this paper, a digital image encryption algorithm based on discrete wavelet transform and chaos theory is referred. The value of the discrete wavelet transformation coefficient matrix was encrypted and the scrambled by adjusting chaos sequence. The proposed algorithm is described in detail. To illustrate the effectiveness of the proposed scheme, some security analysis are presented. The cryptosystem speed is analyzed and tested as well. Results of the various types of analysis are encouraging and it can be concluded that the proposed image encryption technique is suitable choice for practical applications.

Keywords


Image Encryption; Wavelet Transform; Chaos;Chaotic Maps; High Security

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