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Analysis and Discussion of Map Scanning Digitization System Error and Its Countermeasure Consideration
Author(s): 
Pages: 79-82
Year: Issue:  3
Journal: HYDROGRAPHIC SURVEYING AND CHARTING

Keyword:  数字化地图系统误差粗差拟准检定法仿射变换多项式回归;
Abstract: 较全面地分析了地图扫描数字化的系统误差来源及影响.在系统误差纠正模型的选取过程中所采用的数据存在粗差,纠正模型的误差和模型数据的粗差是值得讨论的问题.利用粗差拟准检定法探测粗差准确的优点和判断函数模型的准则理论,提出顾及粗差的系统误差回归函数分析,先确定回归函数,在此基础上进行粗差探测与剔出,然后再进行回归分析,以达到消弱系统误差最优的目的.
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