Color Ultrasound Image Watermarking Scheme Using FRT and Hessenberg Decomposition for Telemedicine Applications
نویسندگان
چکیده
Watermarking is a valuable technique for verifying medical images obtained through the internet diagnosis. There greater need security in pictures with ever- increasing risks. This research presented Finite Ridgelet Transform (FRT)-Hessenberg based watermarking scheme images. The suggested paradigm divided into two stages. Before watermark insertion, FRT applied to coefficients are combined blocks of 4 x and each block decomposed using Hessenberg decomposition. second column Q matrix used insert additive quantization technique. results from our experiment have given good visual quality watermarked high PSNR value 53.6121 NC 1.0 show that performing better. Moreover, performance robust against several attacks. consequences this result imply anticipated effective image watermarking.
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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.94127