A SURVEY OF DIGITAL VECTOR MAP WATERMARKING
作者： ChengYong Shao , XiaoTong Wang , XiaMu Niu
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摘要: The application of digital vector maps faces some unsolved issues such as copyright protecting, data authenticating, and source tracing, etc. These could be obstacles restricting the further usage maps. tech- nique watermarking provides potential solutions for problem. Comparing with schemes designed general multimedia data, a 2D map has distinct features due to special structures envi- ronments will summarized in this paper by analyzing characters data. Furthermore, an overview existing typical algorithms presented show state art study.
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