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- W3208783474 abstract "The research of medical image in the field of anti-counterfeiting and authentication plays a crucial role in the development of hospital digitization. In this paper, a new fragile medical watermarking scheme is proposed using the prime number distribution theorem, chaotic mapping, and Hash. Firstly, an approximate pixel set is constructed according to the distribution of prime numbers, and then the parity of the pixel value is re-granted with chaotic mapping, and Hash. The embedding and extraction of the watermark are done by using logical operations to adjust the pixel value according to the parity of the pixel value and the number of prime numbers contained in the pixel value. The experimental results demonstrate that the proposed scheme is imperceptible, efficient, and safe. Compared with the existing methods, the proposed scheme achieves the binding of medical image and patient information, as well as exhibits excellent detection and positioning capability, and will have good application prospects in medical image content authentication and tampering detection." @default.
- W3208783474 created "2021-11-08" @default.
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- W3208783474 date "2021-11-01" @default.
- W3208783474 modified "2023-09-26" @default.
- W3208783474 title "Fragile Watermark in Medical Image Based on Prime Number Distribution Theory" @default.
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- W3208783474 doi "https://doi.org/10.1007/s10278-021-00524-4" @default.
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