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- W1969504057 abstract "In recent years, digital watermarking is playing an increasingly important role in the geographical information copyright protection. According to the characteristics of GIS vector data, the watermark embedding algorithms should at least meet the following demands: no significant loss in data accuracy, no obvious reduction in data quality and no significant change in visual observation. In this paper, the quality of watermarked GIS vector data is inspected through polygon closure, data topology, error analysis and visual analysis. And the above functions are achieved by coding. Through experiments we can find that this method can inspect the quality of watermarked GIS vector data well, so that it can provide basis for judging whether the watermark embedding algorithm is good." @default.
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- W1969504057 date "2010-06-01" @default.
- W1969504057 modified "2023-09-25" @default.
- W1969504057 title "Data quality inspection of watermarked GIS vector map" @default.
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- W1969504057 doi "https://doi.org/10.1109/geoinformatics.2010.5567694" @default.
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