Extraction of Pavement Cracks in Mining Area based on Point Cloud Data

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Metal Mine ›› 2013, Vol. 42 ›› Issue (06): 158-160.

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Extraction of Pavement Cracks in Mining Area based on Point Cloud Data

Ao Jianfeng^1,2，Zhou Ming^1,2，Xu Yanan³，Yu Haixia^1,2

1.School of Environment and Spatial Information，China University of Mining and Technology；2.Jiangsu Provincial Key Laboratory of Resources and Environmental Information Engineering；3.Suyveying and Mapping Engineering Department,Shanxi Railway Institute

Online:2013-06-17 Published:2013-08-09

Abstract

Abstract: The pavement cracks resulted from the surface subsidence in underground mining is one of the common damages to underground mining.First of all，according to the data acquisition mode by the terrestrial 3D laser scanner，the scan data is decomposed based on the scan lines，and pavement cracks information contained in each scan line is obtained by using wavelet transform with good detection function on signal mutations，which realizes good detection effect.

Key words: Mining area, Pavement crack, Point cloud, Wavelet transform

AO Jian-Feng, ZHOU Ming, XU Ya-Nan, YU Hai-Xia. Extraction of Pavement Cracks in Mining Area based on Point Cloud Data[J]. Metal Mine, 2013, 42(06): 158-160.

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