A digital watermarking scheme based on singular value decomposition and discrete wavelet transform
| Autor: | Yan De-jun, Li Hongyan, Yang Rijing, Zheng Jiangchao |
|---|---|
| Rok vydání: | 2011 |
| Předmět: |
Discrete wavelet transform
Theoretical computer science Computer science Second-generation wavelet transform Stationary wavelet transform MathematicsofComputing_NUMERICALANALYSIS ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION Watermark Data_CODINGANDINFORMATIONTHEORY Wavelet packet decomposition Wavelet Computer Science::Computer Vision and Pattern Recognition Computer Science::Multimedia Singular value decomposition Algorithm Digital watermarking Computer Science::Cryptography and Security |
| Zdroj: | Proceedings of 2011 International Conference on Computer Science and Network Technology. |
| DOI: | 10.1109/iccsnt.2011.6181930 |
| Popis: | A robust digital image watermarking scheme based on singular value decomposition (SVD) and discrete wavelet transform (DWT) is proposed in this paper. The algorithm is based on modifying the singular values of small blocks of the low-frequency approximation subband (LL) of the DWT domain to embed watermark into host image. Experimental results demonstrate the robustness against several common image-processing operations. |
| Databáze: | OpenAIRE |
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