Image encryption scheme based on discrete cosine Stockwell transform and DNA-level modulus diffusion

Optics & Laser Technology（2022）

引用 42|浏览42

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摘要

•An image encryption scheme with 2D discrete cosine Stockwell transform and DNA-level modulus diffusion is proposed.•The 2D discrete cosine Stockwell transform performs better in image compression and anti-noise.•The improved global chaotic diffusion algorithm achieves a better diffusion effect.

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关键词

Image encryption,Six-dimensional non-degenerate discrete hyper-chaotic system,Discrete cosine Stockwell transform,Random DNA coding,DNA-level modulus diffusion,Improved global dynamic diffusion

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