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- W2386814633 abstract "To achieve the copyright protection of digital image, an image watermarking scheme based on DT-CWT(dual tree complex wavelet transform) resisting geometrical attacks is proposed.The watermarking image is decomposed by three levels DT-CWT.An Eigenmatrix is formed by interleaving the two results of filtering by scaling level of the coefficients.A new distance vector is also defined to measure the similarity.The Eigenmatrix is used to recover the attacked image by estimating the parameter when detecting the watermarks.Experimental results show that the scheme can well withstand such geometrical attacks as rotation, scaling and geometric synchronization problem between the watermark embedding and detection is overcomed." @default.
- W2386814633 created "2016-06-24" @default.
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- W2386814633 date "2009-01-01" @default.
- W2386814633 modified "2023-09-23" @default.
- W2386814633 title "Watermarking algorithm based on DT-CWT" @default.
- W2386814633 hasPublicationYear "2009" @default.
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