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Journal ArticleDOI

Pixel-Level Cracking Detection on 3D Asphalt Pavement Images Through Deep-Learning- Based CrackNet-V

TLDR
It is shown that CrackNet-V yields better overall performance particularly in detecting fine cracks compared with CrackNet, and further reveals the advantages of deep learning techniques for automated pixel-level pavement crack detection.
Abstract
A few recent developments have demonstrated that deep-learning-based solutions can outperform traditional algorithms for automated pavement crack detection. In this paper, an efficient deep network called CrackNet-V is proposed for automated pixel-level crack detection on 3D asphalt pavement images. Compared with the original CrackNet, CrackNet-V has a deeper architecture but fewer parameters, resulting in improved accuracy and computation efficiency. Inspired by CrackNet, CrackNet-V uses invariant spatial size through all layers such that supervised learning can be conducted at pixel level. Following the VGG network, CrackNet-V uses $3\times 3$ size of filters for the first six convolutional layers and stacks several $3\times 3$ convolutional layers together for deep abstraction, resulting in reduced number of parameters and efficient feature extraction. CrackNet-V has 64113 parameters and consists of ten layers, including one pre-process layer, eight convolutional layers, and one output layer. A new activation function leaky rectified tanh is proposed in this paper for higher accuracy in detecting shallow cracks. The training of CrackNet-V was completed after 3000 iterations, which took only one day on a GeForce GTX 1080Ti device. According to the experimental results on 500 testing images, CrackNet-V achieves a high performance with a Precision of 84.31%, Recall of 90.12%, and an F-1 score of 87.12%. It is shown that CrackNet-V yields better overall performance particularly in detecting fine cracks compared with CrackNet. The efficiency of CrackNet-V further reveals the advantages of deep learning techniques for automated pixel-level pavement crack detection.

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Citations
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Journal ArticleDOI

A review of computer vision–based structural health monitoring at local and global levels:

TL;DR: A general overview of the concepts, approaches, and real-life practice of computer vision–structural health monitoring along with some relevant literature that is rapidly accumulating is presented.
Journal ArticleDOI

Automated pavement crack detection and segmentation based on two‐step convolutional neural network

TL;DR: In this article, the information of pavement cracks is extracted from pavement crosstalk and the information is used to determine the cause of pavement cracking. But, this is difficult to be done accurately.
Journal ArticleDOI

Review of Pavement Defect Detection Methods

TL;DR: The three types of 3D data representations are compared and the corresponding performance of the deep neural networks for 3D object detection is studied and compared in three ways, classification based, object detection based and segmentation based.
Journal ArticleDOI

A cost effective solution for pavement crack inspection using cameras and deep neural networks

TL;DR: A novel method called ConnCrack combining conditional Wasserstein generative adversarial network and connectivity maps is proposed for road crack detection, which achieves state-of-the-art performance compared with other existing methods in terms of precision, recall and F1 score.
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