一种间接提取轮廓特征点的算法  

An Algorithm of Selecting Feature Points Indirectly in an Outline

作　　者：刘玉兰[1] 葛庆平[1] 

机构地区：[1]首都师范大学信息工程学院,北京100037

出　　处：《计算机工程与应用》2004年第10期51-52,70,共3页Computer Engineering and Applications

基　　金：国家863高技术研究发展计划项目资助(编号:2001AA115190-08)

摘　　要：该文提出了一种间接提取轮廓特征点的新算法,该算法通过对轮廓点序列在不同方向进行分解以简化运算。文中给出了算法的原理、数学基础及实现过程。最后实验表明,该算法不仅计算量小,易于实现,对特征点的定位也很准确。An algorithm of selecting feature points indirectly in an outline is presented in this paper.In this algorithm,the point sequence of the outline is analyzed in different direct to simplify the calculation.The principle of this algo-rithm,along with its mathematic base and realizing process is also introduced in this paper.The experiment in the last part of the paper indicates that this algorithm is simple in calculating,easy in realizing,and precise in selecting feature points.

关 键 词：特征点 曲率 轮廓点序列 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]