کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
449235 1443195 2011 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Hybrid watermarking algorithm based on Singular Value Decomposition and Radon transform
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر شبکه های کامپیوتری و ارتباطات
پیش نمایش صفحه اول مقاله
Hybrid watermarking algorithm based on Singular Value Decomposition and Radon transform
چکیده انگلیسی

A hybrid robust digital watermarking algorithm based on finite Radon transform (FRAT) and Singular Value Decomposition (SVD) is proposed and simulated. The Discrete Wavelet Transform (DWT) is popularly used as it possesses properties similar to the human visual system (HVS). We will show that, the watermark embedding procedure comes to get better normalized correlation (NC) factor by modifying singular values. Trade off robustness and transparence of digital watermarking is done by using middle frequencies of HL3 and LH3. Experimental results demonstrate that this method is robust against several attacks such as: noise addition, filtering, histogram equalization, gamma correction, JPEG compression, scaling and rotation.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: AEU - International Journal of Electronics and Communications - Volume 65, Issue 7, July 2011, Pages 658–663
نویسندگان
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