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1. 发明专利

JP2004333223A Method and device for inspecting defect 有权
公开(公告)号：JP2004333223A
公开(公告)日：2004-11-25
申请号：JP2003127219
申请日：2003-05-02
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： YOKOYAMA KOICHI , NISHIMINE TAMOTSU
IPC分类号： G01N21/892 , G01N21/88 , G06T1/00 , G06T5/20
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for inspecting defect with high accuracy. SOLUTION: This device 1 for inspecting defect is a device equipped with an image processing means 12 for inspecting a defect by imaging an inspection signal acquired from an inspected object S and applying a spatial filter to such an inspection image. The processing means 12 executes a step for extracting the density of a pixel positioned at a prescribed position previously determined relative to a target pixel with respect to the inspection image, a step for determining whether to apply the spatial filter to the noticed pixel based on the extracted density, and a step for applying the spatial filter only to the noticed pixel to which the spatial filter is determined to be applied. COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2004170363A Edge position measuring method of long material and shape measuring method using the same, and edge position measuring device and shape measuring device using the same 审中-公开
标题翻译：使用它们的长材料和形状测量方法的边缘位置测量方法以及边缘位置测量装置和使用其的形状测量装置
公开(公告)号：JP2004170363A
公开(公告)日：2004-06-17
申请号：JP2002339486
申请日：2002-11-22
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： YOKOYAMA KOICHI , OZEKAWA ATSUSHI
IPC分类号： G01B11/00 , G01B11/24
摘要： PROBLEM TO BE SOLVED: To provide an edge position measuring method of a long material and a shape measuring method using the same, and an edge position measuring device and a shape measuring device using the same all of which are good in work efficiency. SOLUTION: The edge position measuring device 1 to which the edge position measuring method according to the present invention is applied comprises a position detecting device 11 which can optically detect the position of a predetermined site of an object to be measured by receiving voluntary light or reflected light from the object to be measured, and a reference member 12 positioned within a detectable region of the position detecting device 11 and juxtaposed to a long material S along the width direction of the long material S. The position detecting device 11 detects the position of a predetermined site of the reference member 12 and detects the edge position in the width direction of the long material S, and operates the distance between the detected position of the predetermined site of the reference member 12 and the detected edge position of the long material S in the width direction, thereby measuring the edge position of the long material S in the width direction. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供长材料的边缘位置测量方法和使用该边缘位置测量方法的形状测量方法，以及使用这些方法的边缘位置测量装置和形状测量装置都具有良好的工作效率。＆lt; P＆gt;解决方案：应用根据本发明的边缘位置测量方法的边缘位置测量装置1包括位置检测装置11，其可以通过接收自愿地光学地检测待测量对象的预定位置的位置来自待测量物体的光或反射光以及位于位置检测装置11的可检测区域内并沿着长材料S的宽度方向与长材料S并列的参考构件12.位置检测装置11检测参考构件12的预定位置的位置并且检测长材料S的宽度方向上的边缘位置，并且操作基准构件12的预定位置的检测位置与检测到的基准构件12的检测到的边缘位置之间的距离长材料S在宽度方向上，从而测量长材料S在宽度方向上的边缘位置。版权所有（C）2004，JPO

3. 发明专利

JP2004025229A Method and device for deciding crop cutting position 审中-公开
公开(公告)号：JP2004025229A
公开(公告)日：2004-01-29
申请号：JP2002184358
申请日：2002-06-25
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： YOKOYAMA KOICHI , ICHIYANAGI YASUMASA
IPC分类号： G01B11/00 , B21B15/00 , B23D36/00 , G01B11/24 , G01B11/30
摘要： PROBLEM TO BE SOLVED: To provide a method and a device capable of deciding a crop cutting position of a steel sheet taking not only product yield but also production efficiency in a post-stage into account.
SOLUTION: The crop cutting position deciding device 10 is provided with an image pickup means 11 for picking up the image of a crop at the longitudinal end of the steel sheet S, an image processing means for extracting the crop shape from the crop image, an arithmetic means for deciding the tentative cutting position of the steel sheet S based on the crop shape, and a defect inspecting means for inspecting a prescribed area extending from the tentative cutting position toward the longitudinal inside of the steel sheet S and outputting the position and type of the detected defect. A criterion of the cutting position previously set in accordance with the type of defect is stored in the arithmetic means, which decides, based on the type of defect outputted from the defect inspecting means and on the criterion, which is to be the cutting position, the tentative cutting position or the position of the defect outputted from the defect inspecting means.
COPYRIGHT: (C)2004,JPO

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