• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 18 Issue 6
Dec.  2005
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Article Contents
WANGHong-xia, LUO Jian. SelfadaptiveW atermarking Synchrorization SchemeBased on Image Connectivity[J]. Journal of Southwest Jiaotong University, 2005, 18(6): 720-726.
Citation: WANGHong-xia, LUO Jian. SelfadaptiveW atermarking Synchrorization Scheme Based on Image Connectivity[J]. Journal of Southwest Jiaotong University, 2005, 18(6): 720-726.

SelfadaptiveW atermarking Synchrorization Scheme Based on Image Connectivity

  • Publish Date: 25 Dec 2005
  • To improve the robustness and security performances of watermarking, a selfadaptive watermarking synchrorization schemewas proposed. In the scheme, the connected objects are obtained according to image connectivity, and the gravity centers ofbigger objects are selected as the reference points forwatermark embedding. Selfadaptive synchronization ofwatermark detection is ensured by the topological invariability of image connectivity and the stability of its gravity center. The high stablility of the reference points for watermark embedding makes watermarks robust not only under common image processing but also under global and local geometrical attacks.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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