Secure annotation for medical images based on reversible watermarking in the Integer Fibonacci-Haar transform domain

3 February 2011 Secure annotation for medical images based on reversible watermarking in the Integer Fibonacci-Haar transform domain

F. Battisti, M. Carli, A. Neri

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Proceedings Volume 7870, Image Processing: Algorithms and Systems IX; 78700G (2011) https://doi.org/10.1117/12.876631
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States

Abstract

The increasing use of digital image-based applications is resulting in huge databases that are often difficult to use and prone to misuse and privacy concerns. These issues are especially crucial in medical applications. The most commonly adopted solution is the encryption of both the image and the patient data in separate files that are then linked. This practice results to be inefficient since, in order to retrieve patient data or analysis details, it is necessary to decrypt both files. In this contribution, an alternative solution for secure medical image annotation is presented. The proposed framework is based on the joint use of a key-dependent wavelet transform, the Integer Fibonacci-Haar transform, of a secure cryptographic scheme, and of a reversible watermarking scheme. The system allows: i) the insertion of the patient data into the encrypted image without requiring the knowledge of the original image, ii) the encryption of annotated images without causing loss in the embedded information, and iii) due to the complete reversibility of the process, it allows recovering the original image after the mark removal. Experimental results show the effectiveness of the proposed scheme.

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F. Battisti, M. Carli, and A. Neri "Secure annotation for medical images based on reversible watermarking in the Integer Fibonacci-Haar transform domain", Proc. SPIE 7870, Image Processing: Algorithms and Systems IX, 78700G (3 February 2011); https://doi.org/10.1117/12.876631

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