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- W2366042018 abstract "A blind watermarking algorithm based on pseudo-random sequence modulation for color images is proposed in multi-wavelet transform and DCT Hybrid transform domain.In this method,the original color image is converted from RGB space to YIQ space,and multi-wavelet transform is performed on Y component,the mid-frequency regions are selected as the embedding region.The regions are divided block by block with size 8×8 pixels before watermarking embedding,then all the sub-blocks are classified in accordance with their texture and energy characteristics,finally,the scrambed binary watermark,which are spread spectrum modulated with two unrelated pseudo-random sequence,are embedded in the AC coefficients of 8 × 8 sub-blocks in DCT domain,the embedding strengths are different according to the results of fuzzy classification.The watermark is extracted by comparing the relativity between two random sequences with the coefficients to be detected,which do not need the original image.Experiments results show that the algorithm can resist common attacks such as noise,JPEG compression and geometric shear with strong robustness." @default.
- W2366042018 created "2016-06-24" @default.
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- W2366042018 date "2012-01-01" @default.
- W2366042018 modified "2023-09-23" @default.
- W2366042018 title "Adaptive blind watermarking algorithm based on pseudo-random sequence modulation in mixed-domain" @default.
- W2366042018 hasPublicationYear "2012" @default.
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