Research and application of algorithm for stitching panoramic images of external pipeline welds

Yongsheng Wang; Lin Huang; Xu Wu; Kejia Pan; Jike Zhu

doi:10.1117/12.2689778

10 August 2023 Research and application of algorithm for stitching panoramic images of external pipeline welds

Yongsheng Wang, Lin Huang, Xu Wu, Kejia Pan, Jike Zhu

Proceedings Volume 12748, 5th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2023); 1274813 (2023) https://doi.org/10.1117/12.2689778
Event: 5th International Conference on Information Science, Electrical and Automation Engineering (ISEAE 2023), 2023, Wuhan, China

Abstract

External pipe weld inspection is a crucial responsibility in today's industrial manufacturing. Traditionally, the image to be detected is generated by a camera that takes images from different angles of the outer pipe and then analyses the detection frame by frame, generating a large amount of data and leading to duplicate identification. In this paper, we propose an algorithm for stitching together a panorama of external pipe welds by first acquiring a sequence of images taken 360° around the same scene, then correcting the image of the pipe column surface by the column surface inverse projection algorithm, then matching the feature points by the Flann algorithm to complete the alignment of the two images, and finally seamlessly stitching and fusing the aligned images to obtain a panorama of external pipe welds. The experimental results show that the algorithm can effectively, quickly and accurately generate a panoramic stitched image of the external pipe weld column surface, which can further provide input for weld quality analysis.

Citation Download Citation

Yongsheng Wang, Lin Huang, Xu Wu, Kejia Pan, and Jike Zhu "Research and application of algorithm for stitching panoramic images of external pipeline welds", Proc. SPIE 12748, 5th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2023), 1274813 (10 August 2023); https://doi.org/10.1117/12.2689778

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KEYWORDS

Image fusion

Panoramic photography

Pipes

Image processing

Inspection

Image filtering

Image restoration

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