Study on the robustness of spot center based on adaptive region

WANG Guojun; HUANG Yaxin; ZHAO Qilin; ZHANG Dongdong

doi:10.7510/jgjs.issn.1001-3806.2020.05.015

LASER TECHNOLOGY > 2020 > 44(5): 616-622. > DOI: 10.7510/jgjs.issn.1001-3806.2020.05.015

WANG Guojun, HUANG Yaxin, ZHAO Qilin, ZHANG Dongdong. Study on the robustness of spot center based on adaptive region[J]. LASER TECHNOLOGY, 2020, 44(5): 616-622. DOI: 10.7510/jgjs.issn.1001-3806.2020.05.015

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Study on the robustness of spot center based on adaptive region

1.
Field Engineering College, Army Engineering University of PLA, Nanjing 210001, China
2.
Department of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211816, China
3.
School of Civil Engineering and Architecture, Xin-xiang University, Xinxiang 453003, China

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Received Date: September 19, 2019
Revised Date: October 13, 2019
Published Date: September 24, 2020

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Abstract

Abstract

During the detection of laser spot center, in order to improve the calculation efficiency under the premise of ensuring the location accuracy of the spot center, an improved template matching algorithm was used for theoretical analysis and experimental verification. The results show that: In the case of no exposure, the average calculation time of the adaptive region of interest (ROI) is 897s, while the average calculation time of the traditional template matching algorithm is 3388s. In the presence of exposure, the average calculation time of the adaptive ROI is 921s, and the average calculation time of the traditional template matching algorithm is 3389s. The improved adaptive algorithm has achieved excellent performance in the experimental test of laser spot positioning, which shows that it can improve the calculation efficiency under the premise of ensuring accuracy.
- image processing,
- template matching,
- adaptive ROI,
- photoinduced image degradation,
- laser spot center

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