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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Chong Fu Ye Lin Hui-yan Jiang Hong-feng Ma |
| Copyright Year | 2015 |
| Description | Author affiliation: Key Lab. of Med. Image, Northeastern Univ., Shenyang, China (Hui-yan Jiang) || TeraRecon, Foster City, CA, USA (Hong-feng Ma) || Sch. of Inf. Sci. & Eng., Northeastern Univ., Shenyang, China (Chong Fu; Ye Lin) |
| Abstract | The increasing utilization of telemedicine, especially the teleradiology services, has raised a great deal of concerns in the security of medical images transmitted over open networks. To meet this challenge, a new medical image protection scheme using hyperchaos-based encryption is suggested in this paper. Improvements have been made to both permutation and diffusion methods to address the security problems encountered by many existing chaos-based image ciphers. In the permutation stage, a pixel swapping-based strategy is introduced instead of using the area-preserving chaotic maps, and the swapping operation is determined by the first two state variables of the employed 4-D hyperchaotic system. During the diffusion procedure, the key stream elements, quantified from the other two state variables, are circularly shifted according to the plain-pixels. Consequently, the keystream is related to both the key and the plain-image, which ensures the security against known/ chosen-plaintext attack. Thorough experimental tests are carried out and the results indicate that the proposed scheme provides an effective way for online secure medical image transmission over public networks. |
| Starting Page | 103 |
| Ending Page | 107 |
| File Size | 699561 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781479980727 |
| ISSN | 23268301 |
| DOI | 10.1109/ISMICT.2015.7107507 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-03-24 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Ciphers Chaotic communication Permutation-diffusion Encryption Pseudorandom number sequence Hyperchaotic system Medical image protection Biomedical imaging |
| Content Type | Text |
| Resource Type | Article |
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