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A novel medical image protection scheme using a 3-dimensional chaotic system
Chong Fu1, Gao-Yuan Zhang1, Ou Bian2
1School of Information Science and Engineering, Northeastern University, Shenyang, China.
Plos One
|December 27, 2014
Summary
This study introduces a novel chaos-based method for secure medical image transmission, enhancing telemedicine and teleradiology services. The approach uses Chen
Area of Science:
- Computer Science
- Information Security
- Medical Imaging
Background:
- Growing demand for telemedicine, particularly teleradiology, necessitates robust medical image protection.
- Existing permutation-diffusion image ciphers face security and efficiency challenges.
Purpose of the Study:
- To propose a novel chaos-based approach for secure medical image transmission.
- To enhance the security and efficiency of medical image protection in telemedicine.
Main Methods:
- Utilizes a single 3D chaotic system (Chen's chaotic system) for both permutation and diffusion.
- Introduces a novel pixel shuffling mechanism controlled by the image's own pixels.
- Employs a pseudorandom keystream generated from Chen's system for diffusion.
Main Results:
- The proposed scheme effectively secures medical images during transmission.
- Experimental results demonstrate high security and efficiency for real-time applications.
- The plain-pixel controlled variable selection enhances resistance to known/chosen-plaintext attacks.
Conclusions:
- The novel chaos-based scheme offers an effective and efficient solution for secure medical image transmission.
- The method is suitable for real-time secure medical image transmission over public networks.
- Addresses critical security concerns in the expanding field of telemedicine and teleradiology.
