| 曲线间中心线生成算法分析及评估 |
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| 引用本文： | 董箭,纪玉,王芳,初宏晟,杨永平.曲线间中心线生成算法分析及评估[J].海洋测绘,2020,40(2):23-26. |
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| 作者姓名： | 董箭 纪玉 王芳 初宏晟 杨永平 |
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| 作者单位： | 海军大连舰艇学院军事海洋与测绘系,辽宁大连116018;海军大连舰艇学院海洋测绘工程军队重点实验室,辽宁大连116018;海图信息中心,天津300450 |
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| 基金项目： | 国家重点研发计划(2017YFC1405505)；国家自然科学基金(41601498) |
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| 摘 要： | 自动获取曲线间中心线在计算机制图和地理信息系统等相关领域具有广泛应用。基于曲线间中心线的数学定义,系统分析了现有中心线生成算法的优劣,定量评估了相关算法在精度、效率及曲线形态控制方面的差异。实验表明,单位圆滚动追踪法所生成的中心线精度、效率较高,且曲线形态可控,是曲线间中心线生成的优选方法。
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| 关 键 词： | 海图制图 曲线间中心线 单位圆滚动追踪法 效率分析 精度评估 形态控制 |
Analysis and Evaluation of Center Line Generation Algorithm Between Curves |
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| DONG Jian,JI Yu,WANG Fang,CHU Hongsheng,YANG Yongping.Analysis and Evaluation of Center Line Generation Algorithm Between Curves[J].Hydrographic Surveying and Charting,2020,40(2):23-26. |
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| Authors: | DONG Jian JI Yu WANG Fang CHU Hongsheng YANG Yongping |
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| Abstract: | Automatic acquisition of center line between curves is extensively applied in computer cartography and geographic information system.Based on the mathematical definition of center line between curves,this paper systematically analyzes the advantages and disadvantages of the existing center line generation algorithms,and evaluates the differences in accuracy,efficiency and curve shape control of the relevant algorithms quantitatively.The experimental results show that the center line generated by rolling circle method is accurate,efficient,and the shape of curves is controllable,which is an optimal method to generate center line between curves. |
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