An image encryption algorithm for visually meaningful ciphertext based on adaptive compressed, 2D-IICM hyperchaos and histogram cyclic shift

Shiwei, Jing; Jianjun, Li

doi:10.1007/s11042-023-17912-3

Multimed Tools Appl

2024

DOI: 10.1007/s11042-023-17912-3

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An image encryption algorithm for visually meaningful ciphertext based on adaptive compressed, 2D-IICM hyperchaos and histogram cyclic shift

Jing Shiwei,

Li Jianjun

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Visually security privacy medical data protection scheme using compressive sensing and improved duffing chaotic system

Huang,

Jiang,

Huang

et al. 2024

Phys. Scr.

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Health and medical data frequently contain sensitive patient information that must be protected. Existing visual security schemes for medical images exhibit limitations in the imperceptibility of cipher images and the performance of image reconstruction. This paper introduces and evaluates a novel approach called Visual Meaningful Image Encryption (VMIE) for securing medical images. The proposed VMIE scheme employs a chaotic system based on the Duffing equation for initial encryption. Medical images are processed and encrypted in a sparse domain. A Bidirectional Chaotic Magic Transformation (BCMT) algorithm is then applied to scramble the sparse medical images. The scrambled data undergoes compression and diffusion. An adaptive embedding strategy employing the Discrete Cosine Stockwell Transform (DCST) integrates confidential data into the host image. The performance of the proposed chaotic system is validated through theoretical analysis and numerical simulation. Simulation results, along with comparisons to existing schemes, demonstrate the efficacy of the VMIE method in enhancing visual security and its suitability for natural images. The VMIE approach presented in this paper offers a promising solution for securing medical images, effectively addressing the limitations of current visual security schemes.

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Visually security privacy medical data protection scheme using compressive sensing and improved duffing chaotic system

Huang,

Jiang,

Huang

et al. 2024

Phys. Scr.

View full text Add to dashboard Cite

show abstract

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An image encryption algorithm for visually meaningful ciphertext based on adaptive compressed, 2D-IICM hyperchaos and histogram cyclic shift

Cited by 1 publication

References 54 publications

Visually security privacy medical data protection scheme using compressive sensing and improved duffing chaotic system

Visually security privacy medical data protection scheme using compressive sensing and improved duffing chaotic system

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