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- W2363683441 abstract "Digital media copyright protection has become an increasingly important issue,and digital watermarking algorithms have attracted much attention.There are different faults in simple pure using singular value decomposition or wavelet transform watermarking algorithm,therefor,a digital watermarking algorithm combination with singular value decomposition and wavelet transform is proposed.The algorithm firstly scrambles the watermark image and partitions the original image regions according to the requirement of finding the best watermarking embedding sub block,then chooses the best sub block wavelet transform and pairs of low-frequency coefficients of the block singular value decomposition,ultimately embeds the watermarking into each sub-block singular value.Experimental results show that the watermark algorithm can resist many kinds of attacks watermarking very well,has good robustness and not visibility,and solves the contradiction between the robustness and the invisibility." @default.
- W2363683441 created "2016-06-24" @default.
- W2363683441 creator A5034158624 @default.
- W2363683441 date "2011-01-01" @default.
- W2363683441 modified "2023-09-23" @default.
- W2363683441 title "Digital Watermarking Algorithm Based on SVD and DWT" @default.
- W2363683441 hasPublicationYear "2011" @default.
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