NDLI: Appling Wavelet Analysis to Identify Image Ridge of Crack Width in The Coal Mining's Roof Interior

Content Provider	IEEE Xplore Digital Library
Author	Xiaoyue Liu Jiping Sun Sumin Feng
Copyright Year	2007
Description	Author affiliation: Country Importance Lab. of Corf Resource & Safety Min., China Univ. of Min. & Technol., Beijing (Xiaoyue Liu; Jiping Sun)
Abstract	The slump of coal mining's roof is one of the mine's great calamities in underground exploitation, the influence factors of the roof unsteadiness is rather complex. The essence of crack evolution is rock transform. Although the crack of rock are different between each other, from the viewpoint of fracture mechanics, the crack creating always include 3 stages that turn into and grow slowly, expand and rupture instantly, at the same time, every stage of transform leaves a lot of transmute traces in the crack. Through observe experiment, the relationship between stress and crack can be obtained, but having no crack's actual width. This paper applies the wavelet analysis to identify the image, which reflects the act.ual position of the inside crack. Though the CT, the image ridge can be checked out, and the relationship between the ridge and actual crack can be defined by the linear-return method.
Starting Page	360
Ending Page	363
File Size	229486
Page Count	4
File Format	PDF
ISBN	1424410355
DOI	10.1109/IWASID.2007.373656
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-04-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	linear-return Length measurement Wavelet analysis rock crack Stress X-ray imaging the image ridge detecting Image analysis Computed tomography wavelet analysis Frequency Signal analysis Pattern analysis Accidents
Content Type	Text
Resource Type	Article

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