A new vertex selection scheme using curvature information

被引:0
|
作者
Yun, BJ [1 ]
Lee, SW
Cho, JS
Choi, JG
Kang, HS
机构
[1] Kyungpook Natl Univ, Dept Informat & Commun, Taegu, South Korea
[2] Hanbat Natl Univ, Div Informat Commun & Comp Engn, Taejon, South Korea
[3] Korea Univ Technol & Educ, Sch Internet Media Engn, Cheonan, South Korea
[4] Dongeui Univ, Dept Comp Engn, Pusan, South Korea
[5] Chung Ang Univ, Grad Sch Adv Imaging Sci Multimedia & Film, Seoul 156756, South Korea
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暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
A new vertex selection scheme using the curvature information of contour points for polygonal contour approximation is presented. The proposed method consists of two-step procedure. At first, we compute curvature values for contour points on the curvature scale space (CSS) and select high curvature points as principal vertices. Selected principal vertices, thereby, divide an overall contour into several contour segments. In the second step, the vertices for each contour segment are selected using the progressive vertex selection (PVS) method in order to obtain minimum number of vertices under the given maximum distance criterion (D-max*).
引用
收藏
页码:887 / 893
页数:7
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