The trade-off between robustness and imperceptibility performance of watermarking technique with DWT and SCHUR decomposition for medical images
Developing a watermarking algorithm for a medical image is required to conserve the original visual quality and resistance ability to image attacks. The problem is that there is opposite relation between imperceptibility and robustness performance. This paper proposed a watermarking algorithm that...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Journal of Theoretical and Applied Information Technology
2022
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/96312/7/96312-The%20Trade-Off%20Between%20Robustness%20and%20Imperceptibility%20Performance%20of%20Watermarking%20Technique%20with%20DWT%20and%20SCHUR.pdf http://irep.iium.edu.my/96312/13/96312_The%20trade-off%20between%20robustness%20and%20imperceptibility_SCOPUS.pdf http://irep.iium.edu.my/96312/ https://www.jatit.org/ http://www.jatit.org/volumes/Vol100No1/8Vol100No1.pdf |
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| Institution: | Universiti Islam Antarabangsa Malaysia |
| Language: | English English |
| Summary: | Developing a watermarking algorithm for a medical image is required to conserve the original visual
quality and resistance ability to image attacks. The problem is that there is opposite relation between
imperceptibility and robustness performance. This paper proposed a watermarking algorithm that applied
discrete wavelet transfer (DWT) and Schur Decomposition to produce a watermarked image with high
imperceptibility and robustness performance. In the embedding process, the DWT and Schur
decomposition is used to decompose the domain of a host medical image, and the modification to hide the
watermark bit is evaluated and controlled to keep the imperceptibility performance high as possible for the
watermarked image. The imperceptibility, embedding capacity, and robustness are evaluated for Magnetic
Resonance (MR), Computed Tomography (CT), and Positron Emission Tomography (PET) medical image
modalities. The results obtained from the experiment and showed that the proposed watermark technique
has high performance in three measurement terms imperceptibility, embedding capacity, and robustness.
The average peak signal-to-noise ratio (PSNR) of the different six watermarked images was 73.65dB. Also
have high robustness against JPEG compression, salt and pepper noise, Gaussian noise, and rotation attack. |
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