ANALYSIS OF SEGMENTATION ALGORITHMS FOR PAVEMENT DISTRESS IMAGES

被引：37

作者：

KOUTSOPOULOS, HN

ELSANHOURI, I

DOWNEY, AB

机构：

[1] Dept. of Civ. Engrg., Carnegie Mellon Univ., Pittsburgh, PA

[2] Transp. Systems Div., Dept. of Civ. Engrg., Massachusetts Inst. of Tech., Cambridge, MA

[3] Dept. of Comput. Sci., Univ. of California, Berkeley, CA

来源：

JOURNAL OF TRANSPORTATION ENGINEERING-ASCE | 1993年 / 119卷 / 06期

关键词：

D O I：

10.1061/(ASCE)0733-947X(1993)119:6(868)

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Collection and analysis of pavement distress data is an important component of any pavement-management system. Various systems are currently under development that automate this process. They consist of appropriate hardware for the acquisition of pavement distress images and, in some cases, software for the analysis of the collected data. An important step in the automatic interpretation of images is segmentation, the process of extracting the objects of interest (distresses) from the background. We examine algorithms for segmenting pavement images and evaluate their effectiveness in separating the distresses from the background. The methods examined include the Otsu method, Kittler's method, a modified relaxation method, and a method based on a threshold estimated by regression analysis. Comparison of the algorithms on a data set of asphalt pavement images indicates that the relaxation and regression thresholding methods consistently outperform the other methods. The regression thresholding method has the potential to become the method of choice due to its computational advantage over the relaxation method.

引用

页码：868 / 888

页数：21

共 21 条

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