Image recognition technology for bituminous concrete reservoir panel cracks based on deep learning

Kai Hu, Yang Ling and Jie Liu

PLOS ONE, 2025, vol. 20, issue 2, 1-17

Abstract: Detecting cracks in asphalt concrete slabs is challenging due to environmental factors like lighting changes, surface reflections, and weather conditions, which affect image quality and crack detection accuracy. This study introduces a novel deep learning-based anomaly model for effective crack detection. A large dataset of panel images was collected and processed using denoising, standardization, and data augmentation techniques, with crack areas labeled via LabelImg software. The core model is an improved Xception network, enhanced with an adaptive activation function, dynamic attention mechanism, and multi-level residual connections. These innovations optimize feature extraction, enhance feature weighting, and improve information transmission, significantly boosting accuracy and robustness. The improved model achieves a 97.6% accuracy and a Matthews correlation coefficient of 0.98, remaining stable under varying lighting conditions. This method not only provides a fresh approach to crack detection but also greatly enhances detection efficiency.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0318550

DOI: 10.1371/journal.pone.0318550

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