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面向陆地国界线生成的地形特征线提取及匹配技术研究

发布时间:2018-12-11 17:55
【摘要】:当前,世界上很过国家还存在边界领土争端问题,早日解决这一问题不仅有利于争议地区的繁荣与稳定,而且对争议各国有效的捍卫国家领土主权和民族利益也具有不可估量的作用。在谈判划界过程中,涉及领土问题必须寸土必争,这就要求划界结果精准可靠、具有说服力。鉴于上述要求,本文对划界法理和已有系统进行详细分析,发现生成的划界线与实际地形吻合效果较差,吻合过程需要通过手工操作来完成。这不仅增加了谈判划界的劳动强度,而且延长了划界谈判的进程。鉴于此,本文开展了面向陆地国界线生成的地形特征线提取与匹配技术的研究。 1.本文首先阐述了国界的基本概念、类型以及谈判划界的基本理论和技术,探讨了地形特征线提取及匹配的研究意义,,并对其研究现状进行分析,找出其中存在的不足,确立了本文的主要研究内容及整体思路。 2.通过对某些地貌特点比较复杂的争议区进行分析,提出了地形特征线优化处理的技术方案;在对平面曲率与坡形组合法提取地形特征线原理研究的基础上,借助栅格分析与ArcGIS模型构造器对提取模型进行构造实现,提取了基本的地形特征线;应用数字图像处理技术对基本地形特征线进行逐步优化处理,解决了地形特征线的断裂、破碎、交叉、闭合等问题;对矢量地形特征线进行等级编码及筛选处理,实现了主地形特征线的提取,为划界线与地形特征线的匹配提供数据支持。 3.通过对匹配规则进行研究,确立了匹配过程中地形特征线选取的基本原则;将ArcGIS的成本最优路径分析引入匹配过程,根据匹配规则与模型构造器,实现了基于栅格数据的划界线与地形特征线的匹配模型;构建“双栈”结构用以辅助匹配过程,在匹配规则的指导下实现了基于矢量数据的划界线与地形特征线的匹配。 4.通过编程对地形特征线的提取及匹配技术进行实现与应用,开发了相应的实验系统,并使用部分争议区数据对上述方法进行验证、分析和对比。
[Abstract]:At present, many countries in the world still have the problem of border and territorial disputes. An early solution to this problem is not only conducive to prosperity and stability in the disputed areas, It also plays an inestimable role in safeguarding national sovereignty and national interests. In the process of negotiation and demarcation, territorial issues must be disputed, which requires accurate and reliable demarcation results. In view of the above requirements, this paper makes a detailed analysis of the demarcation theory and the existing system. It is found that the generated demarcation line is less effective than the actual terrain, and the matching process needs to be completed by manual operation. This not only increases the labor intensity of demarcation negotiations, but also prolongs the process of demarcation negotiations. In view of this, the terrain feature line extraction and matching technology for land boundary line generation are studied in this paper. 1. In this paper, the basic concepts, types and basic theories and techniques of boundary demarcation are described, and the significance of the extraction and matching of terrain feature lines is discussed, and the present research situation is analyzed to find out the shortcomings. The main research content and the overall idea of this paper are established. 2. Based on the analysis of some disputed areas with complex geomorphological characteristics, the technical scheme of optimizing the topographic feature line is put forward. On the basis of the research on the principle of extracting terrain feature line by the combination of plane curvature and slope shape, the extraction model is constructed by grid analysis and ArcGIS model constructor, and the basic terrain feature line is extracted. The digital image processing technology is used to process the basic terrain feature line step by step, which solves the problems of breaking, crossing and closing of the terrain feature line. The vector terrain feature line is coded and filtered, and the extraction of the main terrain feature line is realized, which provides data support for the matching between the demarcation line and the terrain feature line. 3. By studying the matching rules, the basic principles of terrain feature line selection in the matching process are established. The cost optimal path analysis of ArcGIS is introduced into the matching process. According to the matching rules and model constructor, the matching model of demarcation line and terrain feature line based on raster data is realized. The "double stack" structure is constructed to assist the matching process. Under the guidance of the matching rules, the matching between the demarcation line and the terrain feature line based on vector data is realized. 4. The extraction and matching techniques of terrain feature lines are realized and applied by programming, and the corresponding experimental system is developed, and the above methods are verified, analyzed and compared by using part of the disputed area data.
【学位授予单位】:解放军信息工程大学
【学位级别】:硕士
【学位授予年份】:2013
【分类号】:P208;TP391.41

【参考文献】

相关期刊论文 前1条

1 费立凡;地形图等高线成组综合的试验[J];武汉测绘科技大学学报;1993年S1期



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