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CHEN Haiyong, CAO Junqi, REN Yafei, LIU Weipeng. Multi-scale shape descriptor template matching algorithm based on weld points of interest[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(10): 1-5. DOI: 10.12073/j.hjxb.2018390238
Citation: CHEN Haiyong, CAO Junqi, REN Yafei, LIU Weipeng. Multi-scale shape descriptor template matching algorithm based on weld points of interest[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(10): 1-5. DOI: 10.12073/j.hjxb.2018390238
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Multi-scale shape descriptor template matching algorithm based on weld points of interest

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  • Received Date: April 23, 2017
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    • Abstract
  • Aiming at welding many types of welds involved in car body, an identification method of weld type was proposed. The extraction algorithm of laser fringe was used to obtain the weld seam skeleton and the weld skeleton was linearly fitted to obtain the weld skeleton feature point as a point of interest. Using multi-scale shape descriptors to characterize the interest points, the shape information of the weld types was obtained. Selecting multiple types of weld templates and identifying weld types were achieved by the template matching algorithm. The results show that the correct classification rate of weld types can be achieved up to 95%, which means this type of weld identification method was feasible.
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