A network-flow-based method for embedding rectification

  • Authors:
  • Wanqi Li;Heng Wang;Zhiwei He

  • Affiliations:
  • Computer Science and Engineering Department, Sichuan University Jinjiang College, Penshan, China;Computer Science and Engineering Department, Sichuan University Jinjiang College, Penshan, China;Computer Science and Engineering Department, Sichuan University Jinjiang College, Penshan, China

  • Venue:
  • WISM'11 Proceedings of the 2011 international conference on Web information systems and mining - Volume Part I
  • Year:
  • 2011

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Abstract

In this article, the interactions of pixel changes are interpreted as flows in a state transition network. By relating the cost of each state transition to detectability, the problem of embedding impact minimization is solved using polynomial-time network flow algorithms. The newly proposed scheme rectifies pixel changes after the embedding process and it's compatible with the majority of existing embedding schemes. The experimental result shows that this method is applicable to the full range of embedding rates.