太原理工大学学报2025，Vol.56Issue(3)：515-523,9.DOI:10.16355/j.tyut.1007-9432.20230577
基于遗传编码和耦合超混沌映射的多模态医学图像保护算法
Multimodal Medical Image Protection Algorithm Based on Genetic Coding and Coupled Hyperchaotic Mapping
摘要
Abstract
[Purposes]In order to ensure the security of multimodal medical images,a multi-modal medical image protection algorithm based on genetic coding and coupled hyperchaotic mapping is proposed.[Methods]In the stage of chaotic sequence generation,the CMC-CTBCS coupling model was proposed,and the three-dimensional Sine-ICMIC cascade mapping(3D-SICM)was con-structed with Sine mapping(Sine)and iterative chaotic map with infinite collapses(ICMIC)as seed mapping,which was applied for the design of multimodal medical image encryption.The stage of im-age encryption mainly included three parts:multimodal medical image fusion algorithm,zero water-marking authentication algorithm based on edge detection,and genetic coding selection encryption al-gorithm.First,a multimodal medical image fusion scheme in NSCT domain based on phase consis-tency and local Laplace energy was used to fuse magnetic resonance imaging and single photon emis-sion computed tomography.Zero watermark information authentication based on edge detection was realized in the fusion process,and the fused mark images were generated.The tagged images were then encrypted by using a selective encryption scheme based on dynamic DNA coding and 6-bit RNA-S-box substitution.[Results]Theoretical analyses and numerical simulations show that the algorithm has good security.关键词
边缘检测/DNA 编码/6比特RNA-S盒/耦合混沌系统/零水印Key words
edge detection/DNA encoding/6bit RNA-S-box/coupled chaotic map/zero water-marking分类
信息技术与安全科学引用本文复制引用
常锐云,冯秀芳,张昊..基于遗传编码和耦合超混沌映射的多模态医学图像保护算法[J].太原理工大学学报,2025,56(3):515-523,9.基金项目
山西省重点研发计划(项目编号:202102020101007) （项目编号:202102020101007）
