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Extraction of pavement cracks based on valley edge detection of fractional integral
KTH. Fuzhou University, China.
2014 (English)In: Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science), ISSN 1000-565X, Vol. 42, no 1, 117-122 p.Article in journal (Refereed) Published
Abstract [en]

As pavement crack images are difficult to segment due to the existence of high noise, weak boundary and small cracks, an extraction method of pavement cracks based on the valley edge detection of fractional integral is proposed. In this method, first, neighboring smoothing of the original image is performed to eliminate the noise and expand the relative width of the cracks. Then, the main cracks are extracted via the valley edge detection of fractional integral, and the resulting image is further processed via the morphological approach with short-line noise elimination. Afterwards, final cracks are extracted by using the gap linking method on maximum entropy threshold to cause cracks to merge automatically. Experimental results show that the proposed method instantly helps to detect small pavement cracks with high accuracy and strong noise robustness.

Place, publisher, year, edition, pages
2014. Vol. 42, no 1, 117-122 p.
Keyword [en]
Crack detection, Fractional integral, Image segmentation, Pavement crack, Valley edge
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-161538DOI: 10.3969/j.issn.1000-565X.2014.01.020Scopus ID: 2-s2.0-84897526935OAI: oai:DiVA.org:kth-161538DiVA: diva2:794646
Note

QC 20150312

Available from: 2015-03-12 Created: 2015-03-12 Last updated: 2015-03-12Bibliographically approved

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