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针对多源道路网匹配结果质量检核的问题,通过比较匹配道路节点及路段在形状、位置和拓扑等方面的特征相似度,提出了匹配结果的度量约束、拓扑关系约束以及一致性约束等概念,并据此构建了全局一致性测度函数.利用这些限制性约束条件对匹配结果进行质量评估,评估结果分为两类:质量可靠和质量不可靠.对于质量不可靠,需进一步交由人工判定,并以令全局一致性测度函数得到最快增长为目标,对匹配结果进行级联自动修正,直至全局一致性测度函数无法再增大为止.这种半自动的质量检核与修正机制能够对匹配结果进行快速的质量评定,消除误匹配和漏匹配,确保经修正的匹配结果相互兼容,满足全局一致性约束条件,从而改善数据质量.
Aiming at the problem of quality checking of multi-source road network matching results, the concepts of metric constraint, topological relation constraint and consistency constraint of matching results are proposed by comparing the feature similarity of matching road nodes and road segments in terms of shape, location and topology , And construct a global consistency measure function.Using these restrictive constraints to evaluate the quality of matching results, the evaluation results are divided into two categories: reliable quality and unreliable quality.For the quality is not reliable, it needs to be further handed down to human judgment , And aiming at the fastest growth of the global consistency measure function, the matching results are automatically cascaded until the global consistency measure function can not be increased. This semi-automatic quality checking and correcting mechanism can match Results Rapid quality assessment eliminates mismatches and mismatches to ensure correct match results are compatible with each other and satisfy global consistency constraints to improve data quality.