Presentation	2004/9/3 Crack detection on concrete surface image using gray-scale Hough transform Tomoyuki Yamaguchi, Shuji Hashimoto,
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Abstract(in English)	This paper proposes a new crack detection technique to promote the efficiency and laborsaving for visual inspection of concrete surface. The crack is typical breakage of a reinforced concrete structure. In order to detect a crack on a concrete surface image, we assume that a crack can be approximated with a straight line in a local domain. Gray-scale Hough transform(GSHT) is applicable for gray-scale image gives crack features with regard to the linearity and orientation in the local domain. The proposed method realizes crack detection robustly in the concrete surface image which includes noises, such as an irregular shading and a blem.
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Paper #	PRMU2004-61
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Committee	PRMU
Conference Date	2004/9/3(1days)
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Registration To	Pattern Recognition and Media Understanding (PRMU)
Language	JPN
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Title (in English)	Crack detection on concrete surface image using gray-scale Hough transform
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1st Author's Name	Tomoyuki Yamaguchi
1st Author's Affiliation	Graduate School of Science and Engineering, Waseda University()
2nd Author's Name	Shuji Hashimoto
2nd Author's Affiliation	Dept. of Applied Physics, Waseda University
Date	2004/9/3
Paper #	PRMU2004-61
Volume (vol)	vol.104
Number (no)	290
Page	pp.pp.-
#Pages	8
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