Efficient Image Cipher Based on Baker Map in the Discrete Cosine Transform

Author:

Alhumyani Hesham1

Affiliation:

1. Computer Engineering Department , Taif University , Taif , Saudi Arabia

Abstract

Abstract This paper presents an efficient image cipher based on applying the chaotic Baker Map (BM) in the Discrete Cosine Transform (DCT). The encryption module of the proposed DCT-based BM image cipher employs a DCT on the original plain-image then, the DCT coefficients of the plain-image are shuffled with the BM. Finally, the inverse DCT is applied to the shuffled plain-image DCT coefficients to obtain the final cipher-image. The decryption module of the proposed DCT-based BM image cipher employs a DCT on the input cipher-image then, the DCT coefficients of the cipher-image are inversely shuffled with the BM. Finally, the inverse DCT is applied to the inversely shuffled cipher-image DCT coefficients to obtain the original plain-image. A set of experimental tests are performed to test the validity of the proposed DCT-based BM image cipher and the performed tests demonstrated the superiority of the proposed DCT-based BM image cipher in terms of statistical, differential, sensitivity and noise immunity.

Publisher

Walter de Gruyter GmbH

Subject

General Computer Science

Cited by 9 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

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2. Efficient Audio Encryption Using a Discrete Cosine Transform and Baker Map;2022 Fifth National Conference of Saudi Computers Colleges (NCCC);2022-12-17

3. Robust Watermarking in Video using Discrete Cosine Transform and Facial Landmarks;2022 Fifth College of Science International Conference of Recent Trends in Information Technology (CSCTIT);2022-11-15

4. Analytic Beta-Wavelet Transform-Based Digital Image Watermarking for Secure Transmission;Computers, Materials & Continua;2022

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