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Volume 32 Issue 5
May  2010
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Sun Jian-guo, Men Chao-guang, Ma Chun-guang, Cao Liu-juan. Digital Watermarking with Authentication for Vector Maps[J]. Journal of Electronics & Information Technology, 2010, 32(5): 1131-1135. doi: 10.3724/SP.J.1146.2009.00748
Citation: Sun Jian-guo, Men Chao-guang, Ma Chun-guang, Cao Liu-juan. Digital Watermarking with Authentication for Vector Maps[J]. Journal of Electronics & Information Technology, 2010, 32(5): 1131-1135. doi: 10.3724/SP.J.1146.2009.00748

Digital Watermarking with Authentication for Vector Maps

doi: 10.3724/SP.J.1146.2009.00748
  • Received Date: 2009-05-15
  • Rev Recd Date: 2009-09-28
  • Publish Date: 2010-05-19
  • It is important to identify the source or owner after the vector map is leaked in some key application areas. In this paper proposed scheme, the characteristics of the map owners fingerprint can be extracted and converted into the binary character string as the watermark; and then the watermark will be embedded into the object definition blocks in the attribute file; In any object definition block, there is a character as the ending indicator followed the definition information of the object, the data after the ending character can not be processed or displayed by any tools. Experiments show that the algorithm has better robustness; The watermark can be embedded or extracted nondestructively to the vector map, the value of NC coefficient is more than 97%, as the factor of fingerprint matching algorithm, the accuracy of authentication is more than 80%.
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