Dynamic Directional Convolution Vector Field for Active Contour Models

被引:0
|
作者
Wang, Gang [1 ]
Liang, Jianming [1 ]
Wang, Yang [2 ]
机构
[1] Northeastern Univ, Sch Informat Sci & Engn, Shenyang 110004, Liaoning, Peoples R China
[2] Shenyang Polytech Coll, Shenyang 110045, Liaoning, Peoples R China
基金
中国博士后科学基金;
关键词
Active contour models; Dynamic directional; convolution vector field; Gradient vector flow; SEGMENTATION; SNAKES; FLOW;
D O I
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
In this paper, we propose a novel dynamic external force for snakes named dynamic directional convolution vector field (DDCVF). It makes use of the gradients of gray-level images and defines positive and negative boundaries in horizontal and vertical directions, respectively. Furthermore, DDCVF is calculated by convolving the user-defined vector field kernel with the edge map generated from the image in the two directions separately. Experimental results show that the DDCVF snake has a large capture range and better robustness to disturbance and initialization.
引用
收藏
页码:43 / 46
页数:4
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