A new encryption algorithm for image cryptosystems

Abstract

There are two major di€erences of the characteristics of the text data and image data. One di€erence is that the size of image data is usually much larger than that of text data. The other is that plain data rarely permit loss when a compression technique is used, but image data do. In this paper, we design an ecient cryptosystem for images. Our method is based on vector quantization, which is one of the popular image compression techniques. Our method can achieve the following two goals. One goal is to design a high security image cryptosystem. The other goal is to reduce computational complexity of the encryption and decryption algorithms.

DOI: 10.1016/S0164-1212(01)00029-2

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@article{Chang2001ANE, title={A new encryption algorithm for image cryptosystems}, author={Chin-Chen Chang and Min-Shiang Hwang and Tung-Shou Chen}, journal={Journal of Systems and Software}, year={2001}, volume={58}, pages={83-91} }