Citation: | ZHANG Liming, YAN Haowen, QI Jianxun, ZHANG Yongzhong. A Blind Watermarking Algorithm for Copyright Protection of Vector Geospatial Data Under Controllable Errors Based on DFT[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 990-994. DOI: 10.13203/j.whugis20130686 |
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