Local curvature scale: a new concept of shape description

Local curvature scale: a new concept of shape description
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局部曲率尺度:形状描述的新概念

DOI:
10.1117/12.770444
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发表时间:
2008
期刊:
--
影响因子:
--
通讯作者:
Rueda S
Rueda S
中科院分区:
--
文献类型:
--
作者:
Rueda S

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提出了一种基于曲率尺度概念的新边界形状描述。该形状描述符比常用的罗森菲尔德曲率估计方法表现更好,并且可以直接应用于数字边界,而不需要事先近似。 它可以提取凸凹角、直线、圆线段、拐点等特殊兴趣点。结果表明,该方法产生完整的边界形状描述,能够处理不同级别的形状细节。它还具有许多潜在的应用,例如自动地标标记,这对于构建基于模型的方法以实现器官建模和分割的目标是必要的。
A new boundary shape description based on the notion of curvature-scale is presented. This shape descriptor performs better than the commonly used Rosenfeld's method of curvature estimation and can be applied directly to digital boundaries without requiring prior approximations. It can extract special points of interest such as convex and concave corners, straight lines, circular segments, and inflection points. The results show that this method produces a complete boundary shape description capable of handling different levels of shape detail. It also has numerous potential applications such as automatic landmark tagging which becomes necessary to build model-based approaches toward the goal of organ modelling and segmentation.
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DOI: --
发表时间: 2004
期刊:
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DOI: --
发表时间: 2007
期刊: International Conference on Computing: Theory and Applications
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