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- W2361126877 abstract "The reasons of high false-positive detection rate problem for a class of singular value decomposition(SVD) based image watermarking algorithms were analyzed and the corresponding results were given.On this basis,a novel watermarking algorithm based on discrete wavelet transform(DWT) and SVD was proposed.First the host image is divided into non-overlap blocks and each block is applied 1-level DWT,and then SVD on the low-frequency sub-band is made.The watermarking is preprocessed by Arnold transform and then is embedded into the singular values of the low-frequency sub-band based on quantization method.Experiments show that the proposed algorithm can overcome the high false-positive detection rate problem which exists in the traditional watermarking algorithm based on SVD and robust against common signal processing such as JPEG compression,filtering,and the adding of noise." @default.
- W2361126877 created "2016-06-24" @default.
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- W2361126877 date "2011-01-01" @default.
- W2361126877 modified "2023-09-23" @default.
- W2361126877 title "Analysis of Problem in SVD Domain Watermarking and Improved Algorithm" @default.
- W2361126877 hasPublicationYear "2011" @default.
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