CN106326215A - 基于精度压缩的矢量地图抽稀方法 - Google Patents

基于精度压缩的矢量地图抽稀方法 Download PDF

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Publication number
CN106326215A
CN106326215A CN201510329493.8A CN201510329493A CN106326215A CN 106326215 A CN106326215 A CN 106326215A CN 201510329493 A CN201510329493 A CN 201510329493A CN 106326215 A CN106326215 A CN 106326215A
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vector
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Shanghai Ruifen Information Technology Co Ltd
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Shanghai Ruifen Information Technology Co Ltd
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Priority to CN201510329493.8A priority Critical patent/CN106326215A/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29—Geographical information databases

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  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Processing Or Creating Images (AREA)
  • Instructional Devices (AREA)
  • Image Processing (AREA)

Abstract

本发明提出了基于精度压缩的矢量地图抽稀方法，主要对地图数字化中的线要素进行数据压缩方法研究，以经过矢量化软件跟踪后的线要素为目标，研究四种基本的矢量数据压缩算法:间隔取点法、垂距限值法、角度限值法、道格拉斯-普克法，以曲线压缩后结点数较少和误差较小为优化目标，结合实例比较这四种算法的优点和局限性,分析它们的适应情况并得出结论。

Description

基于精度压缩的矢量地图抽稀方法
技术领域
本发明主要涉及基于精度压缩的矢量地图抽稀方法技术领域。
背景技术
在基于精度压缩的矢量地图抽稀方法技术领域，月吐青矢量数据压缩是计算机图形学、计算机自动制图和地理信息系统等学科中的一个常见问题。
发明内容
本发明提出了基于精度压缩的矢量地图抽稀方法，主要对地图数字化中的线要素进行数据压缩方法研究，以经过矢量化软件跟踪后的线要素为目标，研究四种基本的矢量数据压缩算法:间隔取点法、垂距限值法、角度限值法、道格拉斯-普克法，以曲线压缩后结点数较少和误差较小为优化目标，结合实例比较这四种算法的优点和局限性,分析它们的适应情况并得出结论。

Claims (2)

1.一种基于精度压缩的矢量地图抽稀方法，主要对地图数字化中的线要素进行数据压缩方法研究，以经过矢量化软件跟踪后的线要素为目标。
2.根据权利要求1所述方法，其特征在于研究四种基本的矢量数据压缩算法:间隔取点法、垂距限值法、角度限值法、道格拉斯-普克法。
CN201510329493.8A 2015-06-16 2015-06-16 基于精度压缩的矢量地图抽稀方法 Pending CN106326215A (zh)

Priority Applications (1)

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CN201510329493.8A CN106326215A (zh) 2015-06-16 2015-06-16 基于精度压缩的矢量地图抽稀方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510329493.8A CN106326215A (zh) 2015-06-16 2015-06-16 基于精度压缩的矢量地图抽稀方法

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CN106326215A true CN106326215A (zh) 2017-01-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111159321A (zh) * 2019-12-13 2020-05-15 智慧航海（青岛）科技有限公司 船舶轨迹数据筛选方法和装置
CN111627204A (zh) * 2020-03-10 2020-09-04 蘑菇车联信息科技有限公司 路径确定方法、装置、电子设备及存储介质

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111159321A (zh) * 2019-12-13 2020-05-15 智慧航海（青岛）科技有限公司 船舶轨迹数据筛选方法和装置
CN111627204A (zh) * 2020-03-10 2020-09-04 蘑菇车联信息科技有限公司 路径确定方法、装置、电子设备及存储介质

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Application publication date: 20170111