Robust Zero Watermarking Algorithm for Medical Images Based on Zernike-DCT

Digital medical system not only facilitates the storage and transmission of medical information but also brings information security problems. Aiming at the security of medical images, a robust zero watermarking algorithm for medical images based on Zernike-DCT is proposed. The algorithm first uses...

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Autores principales:	Chengshan Yang, Jingbing Li, Uzair Aslam Bhatti, Jing Liu, Jixin Ma, Mengxing Huang
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi-Wiley 2021
Materias:	Technology (General) T1-995 Science (General) Q1-390
Acceso en línea:	https://doaj.org/article/a9b8414dbf1644128ac4c39ac8da12d4
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spelling	oai:doaj.org-article:a9b8414dbf1644128ac4c39ac8da12d42021-11-22T01:10:13ZRobust Zero Watermarking Algorithm for Medical Images Based on Zernike-DCT1939-012210.1155/2021/4944797https://doaj.org/article/a9b8414dbf1644128ac4c39ac8da12d42021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/4944797https://doaj.org/toc/1939-0122Digital medical system not only facilitates the storage and transmission of medical information but also brings information security problems. Aiming at the security of medical images, a robust zero watermarking algorithm for medical images based on Zernike-DCT is proposed. The algorithm first uses a chaotic logic sequence to preprocess and encrypt the watermark, then performs edge detection and Zernike moment processing on the original medical image to get the accurate edge points, and then performs discrete cosine transform (DCT) on them to get the feature vector. Finally, it combines perceptual Hash and zero watermark technology to generate the key to complete the watermark embedding and extraction. The algorithm has good robustness to conventional and geometric attacks, strong antinoise ability, high positioning accuracy, and processing efficiency and is superior to the classical edge detection algorithm in extraction effect. It is a stable and reliable image edge detection algorithm.Chengshan YangJingbing LiUzair Aslam BhattiJing LiuJixin MaMengxing HuangHindawi-WileyarticleTechnology (General)T1-995Science (General)Q1-390ENSecurity and Communication Networks, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Technology (General) T1-995 Science (General) Q1-390
spellingShingle	Technology (General) T1-995 Science (General) Q1-390 Chengshan Yang Jingbing Li Uzair Aslam Bhatti Jing Liu Jixin Ma Mengxing Huang Robust Zero Watermarking Algorithm for Medical Images Based on Zernike-DCT
description	Digital medical system not only facilitates the storage and transmission of medical information but also brings information security problems. Aiming at the security of medical images, a robust zero watermarking algorithm for medical images based on Zernike-DCT is proposed. The algorithm first uses a chaotic logic sequence to preprocess and encrypt the watermark, then performs edge detection and Zernike moment processing on the original medical image to get the accurate edge points, and then performs discrete cosine transform (DCT) on them to get the feature vector. Finally, it combines perceptual Hash and zero watermark technology to generate the key to complete the watermark embedding and extraction. The algorithm has good robustness to conventional and geometric attacks, strong antinoise ability, high positioning accuracy, and processing efficiency and is superior to the classical edge detection algorithm in extraction effect. It is a stable and reliable image edge detection algorithm.
format	article
author	Chengshan Yang Jingbing Li Uzair Aslam Bhatti Jing Liu Jixin Ma Mengxing Huang
author_facet	Chengshan Yang Jingbing Li Uzair Aslam Bhatti Jing Liu Jixin Ma Mengxing Huang
author_sort	Chengshan Yang
title	Robust Zero Watermarking Algorithm for Medical Images Based on Zernike-DCT
title_short	Robust Zero Watermarking Algorithm for Medical Images Based on Zernike-DCT
title_full	Robust Zero Watermarking Algorithm for Medical Images Based on Zernike-DCT
title_fullStr	Robust Zero Watermarking Algorithm for Medical Images Based on Zernike-DCT
title_full_unstemmed	Robust Zero Watermarking Algorithm for Medical Images Based on Zernike-DCT
title_sort	robust zero watermarking algorithm for medical images based on zernike-dct
publisher	Hindawi-Wiley
publishDate	2021
url	https://doaj.org/article/a9b8414dbf1644128ac4c39ac8da12d4
work_keys_str_mv	AT chengshanyang robustzerowatermarkingalgorithmformedicalimagesbasedonzernikedct AT jingbingli robustzerowatermarkingalgorithmformedicalimagesbasedonzernikedct AT uzairaslambhatti robustzerowatermarkingalgorithmformedicalimagesbasedonzernikedct AT jingliu robustzerowatermarkingalgorithmformedicalimagesbasedonzernikedct AT jixinma robustzerowatermarkingalgorithmformedicalimagesbasedonzernikedct AT mengxinghuang robustzerowatermarkingalgorithmformedicalimagesbasedonzernikedct
_version_	1718418361132515328

Robust Zero Watermarking Algorithm for Medical Images Based on Zernike-DCT

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