吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (增刊1): 445-449.

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New DWT dynamic video watermarking algorithm

LIU Yuan-yuan1,2, CHEN He-xin1, ZHAO Yan1, SUN Hong-yan2   

  1. 1. College of Communication Engineering, Jilin University, Changchun 130012, China;
    2. College of Information Technology, Jilin Agricultural University, Changchun 130118, China
  • Received:2012-10-30 Published:2013-06-01

Abstract:

A new of video dynamic watermarking algorithm based on DWT was proposed,parity frame of the video was separated from the video,the low frequency component after the decomposition of the secondary DWT of the parity frame was used to complete dynamic embedded watermarking frame,watermarking was recoveried by selecting integer coefficients to expand the selection of the watermarking information.Simulation results show that the algorithm can recover the watermarking better from embedded vodeo under resisting the attack of lossy compression and filtering.The concealment of the video is enhanced while the video robustness is maintained.

Key words: discrete wavelet transform (DWT), video, dynamic watermarking, take the coefficient

CLC Number: 

  • TN919.85

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