A Hybrid Watermarking Approach for DICOM Images Security
Source abstract
Abstract
A hybrid watermarking approach for DICOM medical image protection is proposed in this paper. The medical image is first separated into two parts: the region used for the diagnosis, called Region Of Interest (ROI), and the remaining, called Region Of Non-Interest (RONI). The patient’s name is then extracted from the header of the DICOM image and pertinent features from the ROI. These data are therefore used to construct a watermark based on a Jacobian model. On the one hand, this watermark is used for the zero watermarking of the ROI. On the other hand, it is divided into blocks that are embedded in the RONI using a linear interpolation technique. Experiment results show a good performance of the proposed approach. The average values of SSIM, PSNR, NC, and BER are respectively 0.98, 71 dB, 0.98, and 0.0054, and the watermark embedding and extraction times do not exceed 12 s.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Steganography and Watermarking Techniques · Advanced Data Compression Techniques · Digital Media Forensic Detection
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Lab-STICC/UMR CNRS 6285, Univ. Brest, F-29238 Brest, France
LR-SITI, Ecole Nationale d’Ingénieurs de Tunis, Le Belvédère, Tunis 1002, Tunisia
Funding
University of Brest · ENIT (National Engineering School of Tunis)
References (23)
Show source-provided references
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