| 一种提取多边形特征的新方法 |
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| 引用本文： | 张桂梅,陈艳.一种提取多边形特征的新方法[J].南昌航空工业学院学报,2006,20(2):8-11. |
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| 作者姓名： | 张桂梅 陈艳 |
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| 作者单位： | 南昌航空工业学院 江西南昌330063(张桂梅)，江西省机械科学研究所 330002(陈艳) |
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| 摘 要： | 已有的提取多边形特征的方法都仅适合于刚体变换和相似变换,本文提出一种适合仿射变换的提取多边形特征的新方法。给出快速判别多边形顶点凹凸性和计算多边形简比的方法。首先提取多边形的拓扑特征??顶点数和多边形的凹凸性,可以对多边形进行定性识别,对噪音不敏感;其次提取多边形的几何特征———平行性、相互平行的边的比值以及简比等特征,可以对多边形进行定量分析,并能够反应多边形形状的细微差别;最后用实验进行验证,结果表明本文的特征提取方法简单有效。
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| 关 键 词： | 特征提取 仿射变换 简比 多边形 |
| 文章编号： | 1001-4926（2006）02-0008-04 |
| 收稿时间： | 2006-03-12 |
| 修稿时间： | 2006-03-12 |
A new method for extracting polygon's features |
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| ZHANG Gui-mei,CHEN yan.A new method for extracting polygon''''s features[J].Journal of Nanchang Institute of Aeronautical Technology(Natural Science Edition),2006,20(2):8-11. |
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| Authors: | ZHANG Gui-mei CHEN yan |
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| Institution: | 1. Nanchang Institute of Aeronautical Technology, NanchangJiangxi 330063, china, 2. JiangXi Mechanical scientific institute ,330002 ,china |
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| Abstract: | A new approach is presented to distinguish the polygon's vertex being concave or convex and calculate the polygon's simple ratio.Then a novel method for extracting polygon's features is proposed in this paper.First,we extract polygon's topology features-the number of vertex and the concave-convex quality,on the basis of them,we can recognize polygon qualitatively,and the method is insensitive to noises.Then we extract polygon's geometry features-parallelism,parallel edges' ration and simple ratio,as a result,we can analyze polygon quantitatively,and the algorithm can show fine discrimination between polygons.The effectiveness of the algorithm is demonstrated preliminarily by computer simulation. |
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| Keywords: | features extract affine transform simple ratio polygon |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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