Weld seam tracking and panorama image generation for on-line quality assurance

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• 作者：Markus Heber (1)
  Martin Lenz (1)
  Matthias Rüther (1)
  Horst Bischof (1)
  Hartwig Fronthaler (2)
  Gerardus Croonen (2)
  
• 关键词：Spline representation ; Patch matching ; Image blending ; Real ; time
• 刊名：The International Journal of Advanced Manufacturing Technology
• 出版年：2013
• 出版时间：12 - April 2013
• 年：2013
• 卷：65
• 期：9
• 页码：1371-1382
• 全文大小：1133KB
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• 作者单位：Markus Heber (1)
  Martin Lenz (1)
  Matthias Rüther (1)
  Horst Bischof (1)
  Hartwig Fronthaler (2)
  Gerardus Croonen (2)
  
  1. Institute for Computer Graphics and Vision, Graz University of Technology, Inffeldgasse 16/II, 8010, Graz, Austria
  2. AIT Austrian Institute of Technology, Donau-City-Str. 1, 1220, Vienna, Austria
  
• ISSN：1433-3015

文摘

Traditionally, automated quality inspection of welding tasks relies on nonvisual information and is mainly done off-line. In this work, we introduce an image acquisition system which is capable of monitoring the welding process on-line, resulting in high-quality image information during an ongoing welding process. We show how to further exploit this image information by automatically tracking the weld seam position in the image, even under heavy smoke and gas disturbances. We exploit the high information redundancy between subsequent frames given by large overlap to generate a seamless image of the entire weld seam and effectively suppress adverse optical effects caused by, e.g., smoke and sparks.