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1.发明授权A VISION SYSTEM AND A METHOD FOR SCANNING A TRAVELING SURFACE TO DETECT SURFACE DEFECTS THEREOF 有权监控系统及方法，用于检测的操作区域用于检测它表面缺陷
公开(公告)号：EP1891273B1
公开(公告)日：2014-07-16
申请号：EP06741582.8
申请日：2006-05-29
发明人： LAURENT, John , DOUCET, Michel
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2.发明公开A VISION SYSTEM AND A METHOD FOR SCANNING A TRAVELING SURFACE TO DETECT SURFACE DEFECTS THEREOF 有权监控系统及方法，用于检测的操作区域用于检测它表面缺陷
公开(公告)号：EP1891273A1
公开(公告)日：2008-02-27
申请号：EP06741582.8
申请日：2006-05-29
发明人： LAURENT, John , DOUCET, Michel
摘要： There is provided a vision system and a method for scanning a traveling surface such a road to detect surface defects thereof such as cracks. The vision system, which is mountable on a vehicle, is provided with a linear imaging system for imaging successive adjacent transversal linear portions of the traveling surface as the vehicle advances. The vision system is also provided with laser line projecting means angularly projecting a laser line onto the transversal linear portion of the traveling surface to be imaged in a substantially coplanar relationship with the linear imaging system. The present vision system is particularly devised to be immune to surrounding light conditions variations to provide optimum cracks image contrast for both transverse and longitudinal cracks.
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