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《Acta Metrologica Sinica》 2007-03
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Developement of Key Technology on Surface Defects Detection System for Steel Strip

ZHANG Hong-tao~1,DUAN Fa-jie~1,DING Ke-qin~2,YE Sheng-hua~1(1.State Key Lab of Precision Measuring Technology & Instruments,Tianjin University,Tianjin 300072,China;2.Centre of Boiler and Pressure Vessel Inspection and Research,Beijing 100013, China)  
In order to satisfy the requirements in broad width,high speed,high resolution for steel strip inspection product line,the key technology on computer vision for steel strip based on linear CCD is discussed.An optical part of surface defect visual inspection system is optimally designed to detect different type defects,and software system is especially designed for real time on-line detection.The edge detection based on gray-statistical characteristic is put forward in allusion to the characteristic of low-contrast and high-noise images,and the method of adaptive threshold to split image is realized.Gray scale and geometric characteristic variables of defects are defined for defect detach according as the gray-statistical characteristic.The model machine has run in the lab.
【Fund】: 国家科技部科研院所专项基金(SY01院所专项-01);; “跨世纪优秀人才支持计划”
【CateGory Index】: TP274.4
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【References】
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1 Liu Mingwei Wang kuaishe (Xi'an University of Architecture and Technology);Research on Real-time Processing of On-line Surface Defect Inspection of Rolled Strip[J];Metallurgical Equipment;2008-04
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 HU Liang 1, DUAN Fa-jie 1, DING Ke-qin 2, YE Sheng-hua 1 (1. State Key Lab of Precision Measurement Technology & Instruments, Tianjin University, Tianjin 300072, China; 2. National Quality Technology Supervising Station, Beijing 100013, China);Study on In-line Surface Defect Detection System for Steel Strip Based on Linear CCD Sensor[J];Acta Metrologica Sinica;2005-03
【Co-citations】
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1 LUO Hong-e,CHEN Ping,GU Jin-liang,XIA Yan,LI Bao-ming(National Defence Research Laboratiory of Bassistics,Nanjing University of Science and Technology,Nanjing 210094,CHN);A New Method of Lens Distortion Calibration of Linear CCD Measurement System[J];Semiconductor Optoelectronics;2009-03
2 XU Ke,ZHOU Maogui,XU Jinwu,YANG Chaolin,ZHOU Peng,GAO Yang National Engineering Research Center for Advanced Rolling Technology,University of Science and Technology Beijing,Beijing 100083,China;On-line surface inspection system for hot-rolled strips based on linear laser[J];Journal of University of Science and Technology Beijing;2008-01
3 ZHANG Hong-tao*,DUAN Fa-jie,WANG Xue-ying,YE Sheng-hua(State Key Lab of Precision Measuring Technology & Instruments,Tianjin University,Tianjin,300072,China);Design of CCD Driver on Auto-Adjust Exposure Time[J];Chinese Journal of Sensors and Actuators;2006-06
4 LUO Hong-e,CHEN Ping,GU Jin-liang,XIA Yan,LI Bao-ming(National Defence Research Laboratiory of Bassistics,Nanjing University of Science and Technology,Nanjing 210094,China);Error analysis on the linear CCD crossing measurement system[J];Optical Technique;2009-03
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6 LIANG Ping,CHENG Wei(HuaiYin Institute Technology,Huai’an 223003,China);The design and study of industry produce image collection system based on linear CCD[J];Wood Processing Machinery;2008-03
7 WEI Shuangying:Senior Engineer;Chongqing Sichuan Instrument Complex Co.Ltd.,Chongqing 401121,China.ZHENG Shiquan,GONG Hui,TANG Hui;Study on On-line Detection of the Cast-billet Surface Defect[J];Journal of Wuhan University of Technology(Information & Management Engineering);2009-03
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 Chen Yan (AISC Technology Center);The Development of Surface Defect Intelligentialized Identification on Cold Rolled Steel Strip[J];;1998-09
2 HUANG Mei-ling,ZHANG Bo-heng,BIAN Chuan-ping,LI Lu-yao(Xi'an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi'an 710068,CHN);TDI CCD Drivers with Simultaneously Tunable Integration Time and Series[J];Semiconductor Optoelectronics;2008-01
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6 LU Hu-chuan, LU Yu-bin, YANG Guang (School of Electron. & Informa., Dalian Univ. of Technol, Dalian 110623,China);Design and implementation of measuring geometrical size of train wheel using CCD system[J];Journal of Changchun Post and Telecommunication Institute;2003-S1
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10 Guo Zhiyong,Li Guangjun (School of Communication and Information Engineering, UEST of China Chengdu 610054);A System Design in Collecting and Filtering High-Precision Data with FPGA[J];Journal of University of Electronic Science and Technology of China;2004-03
【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 Wu Pingchuan Lu Tongjun Wang Yan (Haerbin Institute of Technology);NONDESTRUCTIVE TESTING TECHNIQUE FOR STRIP SURFACE DEFECTS AND ITS APPLICATIONS[J];NONDE STRUCTIVE TESTING;2000-07
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