Research on combined preprocessing algorithms for detection of center circle in circular coded target image used in ART

Qingdong Wu; Zhiqiang Wang; Yao Xu; Jun Yan; Zhaohui Liu

doi:10.1117/12.3040970

11 September 2024 Research on combined preprocessing algorithms for detection of center circle in circular coded target image used in ART

Qingdong Wu, Zhiqiang Wang, Yao Xu, Jun Yan, Zhaohui Liu

Author Affiliations +

Proceedings Volume 13253, Fourth International Conference on Signal Image Processing and Communication (ICSIPC 2024); 1325305 (2024) https://doi.org/10.1117/12.3040970
Event: 4th International Conference on Signal Image Processing and Communication, 2024, Xi'an, China

Abstract

The corded target is an indispensable part in the study of machine vision-based measurement technology, and each coded value corresponds to a different unique value, which makes it be of an important application in image recognition. Since a center circle of the circular coded target can provide precise positioning coordinate, this paper carries out the research on the combined preprocessing algorithm for detecting the center circle of circular coded target images in order to improve the recognition efficiency and accuracy of the center circle of circular coded target image of Autonomous Rail Rapid Transit(ART).Firstly, the color images captured by field experiment are gray-scale processing and smoothed by Gaussian filtering; secondly, Canny edge detection is performed on the images to accurately extract the edge features of the target images. Finally, an improved Hough transform method is used to identify the center circle contour of the extracted edges. The experimental results show that the algorithm not only improves the recognition efficiency, but also ensures the accuracy of recognition.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Qingdong Wu, Zhiqiang Wang, Yao Xu, Jun Yan, and Zhaohui Liu "Research on combined preprocessing algorithms for detection of center circle in circular coded target image used in ART", Proc. SPIE 13253, Fourth International Conference on Signal Image Processing and Communication (ICSIPC 2024), 1325305 (11 September 2024); https://doi.org/10.1117/12.3040970

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KEYWORDS

Detection and tracking algorithms

Edge detection

Target detection

Hough transforms

Target recognition

Automatic target recognition

Image processing

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