X-Ray Image Authentication Scheme Using SLT and Contourlet Transform for Modern Healthcare System
نویسندگان
چکیده
The network’s convenience has created a copyright dilemma for some multimedia works. Nowadays, every healthcare system relies on digital medical images diagnosis. These are transmitted through communication channels, so there is risk of tampering and violation. A watermarking can ensure guarantee that violation prevented. This study presents nonblind approach to X-ray based Contourlet transform (C.T.) Slantlet Transform (SLT). Since the two-dimensional signals represented flexibly by contourlet transforms, contour plot be used efficiently represent curves smooth contours. At same time, SLT better time-localization & smoothness properties. maximum energy an image conceived in LL band if employed. Therefore, entrench watermark. additive quantization method been efficiency our scheme assessed different quality parameters compared with several existing schemes. results experiment show proposed performs ability resist attacks.
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ژورنال
عنوان ژورنال: Journal of Universal Computer Science
سال: 2022
ISSN: ['0948-695X', '0948-6968']
DOI: https://doi.org/10.3897/jucs.94132