An improved watershed segmentation algorithm for bridge image

被引：0

作者：

Li Qiangqiang ^{[1
]}

Li Wei ^{[1
]}

机构：

[1] Henan Univ Sci & Technol, Elect & Informat Engn Coll, Luoyang 471023, Peoples R China

来源：

APPLIED SCIENCE, MATERIALS SCIENCE AND INFORMATION TECHNOLOGIES IN INDUSTRY | 2014年 / 513-517卷

关键词：

Morphological Filtering; watershed; Over-segmentation;

D O I：

10.4028/www.scientific.net/AMM.513-517.3691

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In order to solve the problem of over-segmentation of traditional watershed algorithm, an improved watershed segmentation algorithm of the bridge image was proposed in this paper. First, the input image was filtered by top-hat transformation and bottom-hat transformation, and then, a multiscale algorithm for computing morphological gradient images is proposed, and the threshold for marker-extraction is automatically calculated according to the statistics of local extreme points in the gradient map. The watershed algorithm is applied on the modified gradient map to segment the image. Then, the over-segmentation regions of the initial watershed segmentation is settled by region merging based on fisher distance. Region merging is ended according to divergence principle. Many contrast experimental results verified the feasibility and validity of the method.

引用

页码：3691 / 3694

页数：4