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A joint image encryption and watermarking algorithm based on compressive sensing and chaotic map |
| Xiao Di (肖迪), Cai Hong-Kun (蔡洪坤), Zheng Hong-Ying (郑洪英) |
| Key Laboratory of Dependable Service Computing in Cyber Physical Society (Chongqing University) of Chinese Ministry of Education, College of Computer Science, Chongqing University, Chongqing 400044, China |
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Abstract In this paper, a compressive sensing (CS) and chaotic map-based joint image encryption and watermarking algorithm is proposed. The transform domain coefficients of the original image are scrambled by Arnold map firstly. Then the watermark is adhered to the scrambled data. By compressive sensing, a set of watermarked measurements is obtained as the watermarked cipher image. In this algorithm, watermark embedding and data compression can be performed without knowing the original image; similarly, watermark extraction will not interfere with decryption. Due to the characteristics of CS, this algorithm features compressible cipher image size, flexible watermark capacity, and lossless watermark extraction from the compressed cipher image as well as robustness against packet loss. Simulation results and analyses show that the algorithm achieves good performance in the sense of security, watermark capacity, extraction accuracy, reconstruction, robustness, etc.
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Received: 10 December 2014
Revised: 07 January 2015
Accepted manuscript online:
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PACS:
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05.45.-a
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(Nonlinear dynamics and chaos)
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05.45.Gg
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(Control of chaos, applications of chaos)
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| Fund: Project supported by the Open Research Fund of Chongqing Key Laboratory of Emergency Communications, China (Grant No. CQKLEC, 20140504), the National Natural Science Foundation of China (Grant Nos. 61173178, 61302161, and 61472464), and the Fundamental Research Funds for the Central Universities, China (Grant Nos. 106112013CDJZR180005 and 106112014CDJZR185501). |
Corresponding Authors:
Zheng Hong-Ying
E-mail: zhycqu@gmail.com
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| About author: 05.45.-a; 05.45.Gg |
Cite this article:
Xiao Di (肖迪), Cai Hong-Kun (蔡洪坤), Zheng Hong-Ying (郑洪英) A joint image encryption and watermarking algorithm based on compressive sensing and chaotic map 2015 Chin. Phys. B 24 060505
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