Abstract
The patients’ case files may be maliciously tampered with during network transmission. Once the patients’ medical record information is altered by criminals, serious medical accidents will occur. To solve the problem of information leakage, a robust medical image watermarking algorithm based on Hough transform and discrete cosine transform (HOUGH-DCT) is proposed. This method combines the feature vector of medical image, cryptography, hash function and zero watermark technology, and it makes up for the shortcoming that the traditional digital watermark method cannot protect the medical image. It has strong robustness and invisibility which can protect the patient's private information and medical image data security at the same time. Experimental results show that the algorithm can embed the watermark information at a faster speed without changing the medical image information and extract the watermark safely with better invisibility and robustness.
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Acknowledgement
This work was supported in part by the Hainan Provincial Natural Science Foundation of China under Grant 2019RC018 and by the Natural Science Foundation of China under Grant 62063004 and 61762033, in part by the Hainan Provincial Higher Education Research Project under Grant Hnky2019–73, and in part by the Key Research Project of Haikou College of Economics under Grant HJKZ18–01.
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Mo, R., Liu, J., Li, J., Wang, Y., Zhou, J. (2021). HOUGH-DCT Based Robust Watermarking for Medical Image. In: Cheng, J., Tang, X., Liu, X. (eds) Cyberspace Safety and Security. CSS 2020. Lecture Notes in Computer Science(), vol 12653. Springer, Cham. https://doi.org/10.1007/978-3-030-73671-2_12
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DOI: https://doi.org/10.1007/978-3-030-73671-2_12
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