层次树的曲线弯曲拓扑结构描述方法The description for bend topological structure of curve based on hierarchy tree
殷志祥,谭树东,杨辉,吴艳兰,彭会琨
摘要(Abstract):
针对目前曲线弯曲拓扑结构描述中存在弯曲划分不符合人的视觉感受等问题,该文提出一种利用弯曲层次树描述曲线拓扑结构的方法。该方法利用双缓冲区变换识别曲线上的弯曲,通过控制变换宽度提取不同层次上的弯曲,根据得到的弯曲构建弯曲层次树,树的结点代表不同的弯曲,同一层结点表示弯曲之间相邻关系,不同层结点表示弯曲之间的嵌套关系。最后通过该方法在曲线综合中的实验验证了其在曲线特征形态的保持中的优势。该文对曲线拓扑结构的描述具有一定的参考价值。
关键词(KeyWords): 弯曲拓扑结构;层次树;双缓冲区变换;嵌套;相邻
基金项目(Foundation): 国家自然科学基金项目(41271443)
作者(Author): 殷志祥,谭树东,杨辉,吴艳兰,彭会琨
DOI: 10.16251/j.cnki.1009-2307.2018.11.007
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