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Method on Digitalization Error of Topographic Map
Author(s): 
Pages: 151-153
Year: Issue:  2
Journal: JOURNAL OF LIAONING TECHNICAL UNIVERSITY(NATURAL SCIENCE EDITION)

Keyword:  数字化几何形变误差处理;
Abstract: 地形图数字化误差造成地物几何形变,采用测量平差的理论方法可以减弱形变.本文通过直角与直线条件、平行线条件、距离条件和圆曲线条件等方程的列立,讨论了采用最小二乘法进行GIS数字化数据的平差模型建立方法,归纳了实际平差的计算步骤,及其应用举例.
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