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- W2889458682 abstract "Most of current watermarking algorithms for GIS vector data embed copyright information by means of modifying the coordinate values, which will do harm to its quality and accuracy. To preserve the fidelity of vector line data and protect its copyright at the same time, a lossless watermarking algorithm is proposed based on storage feature in this paper. Firstly, the superiority of embedding watermark based on storage feature is demonstrated theoretically and technically. Then, the basic concepts and operations on storage feature have been defined including length and angle of the polyline feature. In the process of embedding watermark, the watermark information is embedded into directions of polyline feature by the quantitative mechanism, while the positions of embedding watermark are determined by the feature length. Hence, the watermark can be extracted by the same geometric features without original data or watermark. Finally, experiments have been conducted to show that coordinate values remain unchanged after embedding watermark. Moreover, experimental results are presented to illustrate the effectiveness of the method." @default.
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- W2889458682 date "2018-07-31" @default.
- W2889458682 modified "2023-10-14" @default.
- W2889458682 title "Storage Feature-Based Watermarking Algorithm with Coordinate Values Preservation for Vector Line Data" @default.
- W2889458682 doi "https://doi.org/10.3837/tiis.2018.07.026" @default.
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