Abstract
Digital images require a high level of security while being sent over a transmission medium. If the data in these images is vulnerable to unauthorized use, this could lead to major problems. There are several techniques for protecting digital images. Encryption is the effective approach for protecting digital images. In encryption methods, confusion and diffusion are the two major stages. This paper introduces a novel chaotic map-based encryption technique for the encryption of digital images. Discrete wavelet transform (DWT)-based image blocks are the basis of a novel method for decomposing images is introduced. Then, the image blocks were permutated randomly, rotated, and arranged in a zigzag pattern to scramble the image blocks. The encrypted image is decrypted using a key generated from a chaotic logistic map. Through the use of security analysis, PSNR, and MSME, we are able to determine how effective our proposed method is at encrypting digital images. When compared to other methods, the results show that the proposed technique attain significant amount of performance.
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Hussain, S.K., Saheb Basha, S. (2023). A Novel Image Encryption Technique for Grey and Color Digital Images. In: Kumar, A., Ghinea, G., Merugu, S. (eds) Proceedings of the 2nd International Conference on Cognitive and Intelligent Computing. ICCIC 2022. Cognitive Science and Technology. Springer, Singapore. https://doi.org/10.1007/978-981-99-2742-5_66
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DOI: https://doi.org/10.1007/978-981-99-2742-5_66
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