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Home > Archives > Volume 20, No 11 (2022) > Article

DOI: 10.14704/NQ.2022.20.11.NQ66309

Efficient Technique for Medical Image Encryption Based on Self Adaptive Technique and Multiple Chaotic Systems

Prabhavathi K, Anandaraju M B

Abstract

Tele-medicine and telemedicine applications are making the process easier and faster in health sector with latest technical advances in telemedicine and quick management. In such applications, Digital images will have a huge role to play like enabling them to do better work. The diagnostic and sensitive data’s of the patient will be there in digital images, which are supposed to be shared on a public network to reach out doctors or patients. Therefore, in order to ensure the privacy of patients, they need to be protected during storage and transportation. But due to their large size, high correlation and redundancy, high security cannot be attained using regular encryption techniques. As traditional algorithms have proven to be reliable solutions, it will also be necessary to come up with advanced and dedicated encryption techniques for images. The chaos system is a system that looks unpredictable and random from out-side, but is controlled internally by deterministic rules and equations. The chaotic image security of a scrambling system will be showcasing the chaotic behaviour by its chaotic-map employed by image scrambling system. Therefore, if the scheme is not well structured, various attacks can be used to decipher the chaotic encryption technique. This paper introduces multiple chaos image encryption schemes using self-adaptive technology that incorporates three chaos maps: Arnold's cat mapping, Hilbert scan, and Latin Square image encryption (LSIC). Improves randomness and security. It also analyzes the security and performance of the scheme and compares it to other well-known chaotic based image-encryption scheme.

Keywords

image encryption, self-adaptive, multiple map, inter permutation, intra permutation, diffusion

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