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- W2356452933 abstract "Aimed at some drawbacks of traditional video watermarking algorithms,such as bad robustness and low security,a new video semi-blind watermarking algorithm is proposed based on the combination of the dual-tree complex wavelet transform(DT-CWT) and singular value decomposition(SVD). The algorithm firstly selects i frames from the video. The number and position are determined by the user,it leads to high confidentiality. The coefficients of the luminance component transformed by DT-CWT have stronger robustness,better reconstruction results,more flexible watermark embedding position and direction selectivity, the singular values are robust to geometric distortion.Meanwhile,a random secret key is produced to enhance watermark security. The simulation results show the algorithm has little influence on the video quality,and effectively resists multiple attacks,such as Gaussian noise,salt and pepper noise,JPEG compression,histogram equalization,frame exchange,frame deletion and frame averaging. In a word,the new algorithm has better robustness." @default.
- W2356452933 created "2016-06-24" @default.
- W2356452933 creator A5085231585 @default.
- W2356452933 date "2014-01-01" @default.
- W2356452933 modified "2023-09-23" @default.
- W2356452933 title "A Novel Method for Video Watermarking Based on Dual-Tree Complex Wavelet Transform and Singular Value Decomposition" @default.
- W2356452933 hasPublicationYear "2014" @default.
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