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Journal of Zhejiang University SCIENCE C 1998 Vol.-1 No.-1 P.

http://doi.org/10.1631/FITEE.2200372


A novel hybrid cryptosystem based on DQFrFT watermarking and 3D-CLM encryption for healthcare services


Author(s):  Fatma Khallaf, Walid El Shafai, El Sayed M. El Rabaie, Naglaa F. Soliman, Fathi E. Abd El Samie

Affiliation(s):  Department of Electronics and Electrical Communications Engineering, Faculty of Electronic Engineering, Menoufia University, 32952 Menouf, Egypt; more

Corresponding email(s):   fatma.mohammed333@gmail.com, eng.waled.elshafai@gmail.com, elsayedelrabaie@gmail.com, nfsoliman@pnu.edu.sa, fathi_sayed@yahoo.com

Key Words:  Color medical image, Quaternion, Adaptive watermarking, Encryption, Fractional transform, 3D chaotic logistic map


Fatma Khallaf, Walid El Shafai, El Sayed M. El Rabaie, Naglaa F. Soliman, Fathi E. Abd El Samie. A novel hybrid cryptosystem based on DQFrFT watermarking and 3D-CLM encryption for healthcare services[J]. Frontiers of Information Technology & Electronic Engineering, 1998, -1(-1): .

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publisher="Zhejiang University Press & Springer",
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Abstract: 
quaternion algebra has been used to apply the fractional Fourier transform (FrFT) to color images in a comprehensive approach. However, the discrete fractional random transform (DFRNT) with adequate basic randomness remains to be examined. This paper presents a novel multistage privacy system for color medical images based on discrete quaternion fractional Fourier transform (DQFrFT) watermarking and 3D chaotic logistic map (3D-CLM) encryption. First, we describe quaternion DFRNT (QDFRNT), which generalizes DFRNT to handle quaternion signals effectively, and then uses QDFRNT to perform color medical image adaptive watermarking. To efficiently evaluate the QDFRNT, this study derives the relationship between the QDFRNT of a quaternion signal and the four components of the DFRNT signal. Moreover, it uses the Human Vision System's (HVS) masking qualities of edge, texture, and color tone immediately from the color host image to adaptively modify the watermark strength for each block in the color medical image adaptive watermarking based on QDFRNT and Support Vector Machine (SVM). The limitations of watermark embedding are also explained to conserve watermarking energy. Second, 3D-CLM encryption was employed to improve the system's security and efficiency, allowing it to be used as a multistage privacy system. The proposed security system is effective against many types of channel noise attacks, according to simulation results.

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