Feature correlation for weld image-processing applications
Template matching or correlation is an image-processing technique that searches for specific features or characteristics within an image. This paper describes the use of a configurable feature correlation method for the reliable processing of high quality digitized welding images in order to supply...
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| Vydáno v: | International journal of production research Ročník 42; číslo 5; s. 975 - 995 |
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| Hlavní autoři: | , , |
| Médium: | Journal Article |
| Jazyk: | angličtina |
| Vydáno: |
Taylor & Francis Group
01.03.2004
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| ISSN: | 0020-7543, 1366-588X |
| On-line přístup: | Získat plný text |
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| Shrnutí: | Template matching or correlation is an image-processing technique that searches for specific features or characteristics within an image. This paper describes the use of a configurable feature correlation method for the reliable processing of high quality digitized welding images in order to supply measurements for use with a closed loop control system. A generic approach has been adopted to produce a versatile and robust image-processing technique capable of analysing and providing measurements from images with different properties or characteristics. Low cost, commercially available image acquisition hardware was used, and the image-processing software development was undertaken using a commonly available PC-based visual programming environment. The general application of this work has been concerned with the demonstration of vision-based closed loop process control strategies for a series of different welding processes. Closing the process control loop in this manner is believed to represent a significant advancement of the vision-based remote viewing or 'monitoring' systems that are presently available. |
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| Bibliografie: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
| ISSN: | 0020-7543 1366-588X |
| DOI: | 10.1080/00207540310001619632 |