{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T15:24:56Z","timestamp":1772119496116,"version":"3.50.1"},"reference-count":41,"publisher":"MDPI AG","issue":"20","license":[{"start":{"date-parts":[[2023,10,10]],"date-time":"2023-10-10T00:00:00Z","timestamp":1696896000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["52308323"],"award-info":[{"award-number":["52308323"]}]},{"name":"National Natural Science Foundation of China","award":["U1934209"],"award-info":[{"award-number":["U1934209"]}]},{"name":"National Natural Science Foundation of China","award":["BK20220502"],"award-info":[{"award-number":["BK20220502"]}]},{"name":"National Natural Science Foundation of China","award":["ZXL2022488"],"award-info":[{"award-number":["ZXL2022488"]}]},{"name":"Natural Science Foundation of Jiangsu Province, China","award":["52308323"],"award-info":[{"award-number":["52308323"]}]},{"name":"Natural Science Foundation of Jiangsu Province, China","award":["U1934209"],"award-info":[{"award-number":["U1934209"]}]},{"name":"Natural Science Foundation of Jiangsu Province, China","award":["BK20220502"],"award-info":[{"award-number":["BK20220502"]}]},{"name":"Natural Science Foundation of Jiangsu Province, China","award":["ZXL2022488"],"award-info":[{"award-number":["ZXL2022488"]}]},{"name":"Suzhou Innovation and Entrepreneurship Leading Talent Plan","award":["52308323"],"award-info":[{"award-number":["52308323"]}]},{"name":"Suzhou Innovation and Entrepreneurship Leading Talent Plan","award":["U1934209"],"award-info":[{"award-number":["U1934209"]}]},{"name":"Suzhou Innovation and Entrepreneurship Leading Talent Plan","award":["BK20220502"],"award-info":[{"award-number":["BK20220502"]}]},{"name":"Suzhou Innovation and Entrepreneurship Leading Talent Plan","award":["ZXL2022488"],"award-info":[{"award-number":["ZXL2022488"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Ensuring road safety, structural stability and durability is of paramount importance, and detecting road cracks plays a critical role in achieving these goals. We propose a GM-ResNet-based method to enhance the precision and efficacy of crack detection. Leveraging ResNet-34 as the foundational network for crack image feature extraction, we consider the challenge of insufficient global and local information assimilation within the model. To overcome this, we incorporate the global attention mechanism into the architecture, facilitating comprehensive feature extraction across the channel and the spatial width and height dimensions. This dynamic interaction across these dimensions optimizes feature representation and generalization, resulting in a more precise crack detection outcome. Recognizing the limitations of ResNet-34 in managing intricate data relationships, we replace its fully connected layer with a multilayer fully connected neural network. We fashion a deep network structure by integrating multiple linear, batch normalization and activation function layers. This construction amplifies feature expression, stabilizes training convergence and elevates the performance of the model in complex detection tasks. Moreover, tackling class imbalance is imperative in road crack detection. Introducing the focal loss function as the training loss addresses this challenge head-on, effectively mitigating the adverse impact of class imbalance on model performance. The experimental outcomes on a publicly available crack dataset emphasize the advantages of the GM-ResNet in crack detection accuracy compared to other methods. It is worth noting that the proposed method has better evaluation indicators in the detection results compared with alternative methodologies, highlighting its effectiveness. This validates the potency of our method in achieving optimal crack detection outcomes.<\/jats:p>","DOI":"10.3390\/s23208369","type":"journal-article","created":{"date-parts":[[2023,10,10]],"date-time":"2023-10-10T10:23:42Z","timestamp":1696933422000},"page":"8369","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Intelligent Crack Detection Method Based on GM-ResNet"],"prefix":"10.3390","volume":"23","author":[{"given":"Xinran","family":"Li","sequence":"first","affiliation":[{"name":"School of Rail Transportation, Soochow University, Suzhou 215006, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiangyang","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Rail Transportation, Soochow University, Suzhou 215006, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2746-182X","authenticated-orcid":false,"given":"Xuhui","family":"He","sequence":"additional","affiliation":[{"name":"School of Civil Engineering, Central South University, Changsha 410075, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9346-0943","authenticated-orcid":false,"given":"Xiaojun","family":"Wei","sequence":"additional","affiliation":[{"name":"School of Civil Engineering, Central South University, Changsha 410075, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hao","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Transportation and Civil Engineering, Nantong University, Nantong 226019, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,10,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"104939","DOI":"10.1016\/j.autcon.2023.104939","article-title":"Unsupervised domain adaptation for crack detection","volume":"153","author":"Weng","year":"2023","journal-title":"Autom. 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