Variable Selection from Image Texture Feature for Automatic Classification of Concrete Surface Voids.
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Date
2021-03-08
Open Access Location
Journal Title
Journal ISSN
Volume Title
Publisher
Hindawi Limited
Rights
(c) 2021 The Author/s
CC BY 4.0
CC BY 4.0
Abstract
Machine learning plays an important role in computational intelligence and has been widely used in many engineering fields. Surface voids or bugholes frequently appearing on concrete surface after the casting process make the corresponding manual inspection time consuming, costly, labor intensive, and inconsistent. In order to make a better inspection of the concrete surface, automatic classification of concrete bugholes is needed. In this paper, a variable selection strategy is proposed for pursuing feature interpretability, together with an automatic ensemble classification designed for getting a better accuracy of the bughole classification. A texture feature deriving from the Gabor filter and gray-level run lengths is extracted in concrete surface images. Interpretable variables, which are also the components of the feature, are selected according to a presented cumulative voting strategy. An ensemble classifier with its base classifier automatically assigned is provided to detect whether a surface void exists in an image or not. Experimental results on 1000 image samples indicate the effectiveness of our method with a comparable prediction accuracy and model explicable.
Description
Keywords
Algorithms, Artificial Intelligence, Machine Learning
Citation
Zhao Z, Liu T, Zhao X. (2021). Variable Selection from Image Texture Feature for Automatic Classification of Concrete Surface Voids.. Comput Intell Neurosci. 2021. 1. (pp. 5538573-).