...qæV/ÍjdÞÎ7÷cvü $Ó 关键词：矢量空间数据；数字水印；协议；可信第三方；移动Agent [gap=16313]Keywords: Vector Spatial Data; Digital Watermarking; Protocol; Trusted Third Party; Mobile Agent ..
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矢量空间数据融合中最难的问题来自于数据的多源性、不一致性。
The most difficult problem in vector-vector data fusion is the multi-source and inconsistency of data.
而多源矢量空间数据融合最大的难题之一就是识别多源数据之间的对应实体。
While one of the most difficult tasks in vector-vector data fusion is the identification of corresponding object of multi-source data.
最后，把组成地物的所有点认为是同样颜色的点，运用传统的二值图像矢量化方法得到矢量空间数据。
At last, the traditional vectorization method can be used to get spatial vector data regarding all the pixels of the object as the same color pixels.
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