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Video Testing Technology of the Surrounding Rock Loose Circle

Author: LiuHuanChun
Tutor: YuShiJian
School: Shandong University of Science and Technology
Course: Safety Technology and Engineering
Keywords: Loose circle Roadway Image Acquisition Expand the image Image Fusion
CLC: TP391.41
Type: Master's thesis
Year: 2011
Downloads: 75
Quote: 0
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Abstract


In order to better guide the work of mine roadway , accurate and easy to determine the thickness of surrounding rock loose circle , thesis loose circle test techniques carried out relevant research . First analysis of the commonly used test method acoustic rock loose circle , multi-point displacement meter method, ground penetrating radar , seismic wave method, resistivity, permeability method, radioactive elements and optical electron microscope method pros and cons of drilling through the analysis and comparison of results Well Optical electron microscopy more convenient , fast , visual observation drilling fissures, from hardware , software, two aspects of the design of the surrounding rock loose circle video detection system. System hardware includes CMOS image sensors, video capture card and the computer. System mainly through LabVIEW and MATLAB mixed programming , developed the system supports four cameras connected to work , the user can choose the camera for image acquisition. Then through the contrast enhancement, wavelet denoising method of image enhancement, improvement of the quality of images collected . Through based on feature points matching method will enhance the image after image registration, the first image of all images as a reference rotation positive north. Thereafter, the image after registration expand and fade way through the expansion plan will be seamlessly expanded view panorama stitching get bored . Finally, according to a development view panorama solve different drilling depths circularity , roundness and the drilling depth is plotted graph showing a relationship , determining the thickness of the loose ring . According loose circle thickness values ??obtained to determine the manner and the roadway support parameters to guide the roadway work to ensure safety in coal mines , the system design is of great practical significance , with some promotional value.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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