Review of pavement defect detection methods
Road pavement cracks detection has been a hot research topic for quite a long time due to
the practical importance of crack detection for road maintenance and traffic safety. Many
methods have been proposed to solve this problem. This paper reviews the three major
types of methods used in road cracks detection: image processing, machine learning and
3D imaging based methods. Image processing algorithms mainly include threshold
segmentation, edge detection and region growing methods, which are used to process …
the practical importance of crack detection for road maintenance and traffic safety. Many
methods have been proposed to solve this problem. This paper reviews the three major
types of methods used in road cracks detection: image processing, machine learning and
3D imaging based methods. Image processing algorithms mainly include threshold
segmentation, edge detection and region growing methods, which are used to process …
Road pavement cracks detection has been a hot research topic for quite a long time due to the practical importance of crack detection for road maintenance and traffic safety. Many methods have been proposed to solve this problem. This paper reviews the three major types of methods used in road cracks detection: image processing, machine learning and 3D imaging based methods. Image processing algorithms mainly include threshold segmentation, edge detection and region growing methods, which are used to process images and identify crack features. Crack detection based traditional machine learning methods such as neural network and support vector machine still relies on hand-crafted features using image processing techniques. Deep learning methods have fundamentally changed the way of crack detection and greatly improved the detection performance. In this work, we review and compare the deep learning neural networks proposed in crack detection in three ways, classification based, object detection based and segmentation based. We also cover the performance evaluation metrics and the performance of these methods on commonly-used benchmark datasets. With the maturity of 3D technology, crack detection using 3D data is a new line of research and application. We compare the three types of 3D data representations and study the corresponding performance of the deep neural networks for 3D object detection. Traditional and deep learning based crack detection methods using 3D data are also reviewed in detail.
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