In this paper, the methods of drawing contour line from terrain map, the vector of contour line and generating elevation data from vector data are discussed.
论述了从地形图中提取等高线、对等高线矢量化以及通过矢量数据生成高程数据的实现方法。
This paper mainly discusses a special kind of complex function — contour integral.
本文主要讨论一种特殊的复变函数的积分——周线积分。
The basic theory of active contour model is studied in this paper.
研究了活动轮廓模型的基础理论模型。
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