PDF(392 KB)
凹形区域和带单洞区域间拓扑关系的表示
李健,欧阳继红,富倩,陈岗
PDF(392 KB)
凹形区域和带单洞区域间拓扑关系的表示
Representation of Topological Relations between a Concave Region and a Simple Region with a Hole
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