[2] [2] XU X B, FEI Z W, YANG J, et al. Line structured light calibration method and centerline extraction: A review［J］. Results in Physics, 2020, 19: 103637.

[7] [7] FASOGBON P, DUVIEUBOURG L, MACAIRE L. Fast laser stripe extraction for 3D metallic object measurement［C］//IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society. ［s. l.］：ACM, 2016: 923-927.

[8] [8] STEGER C. An unbiased detector of curvilinear structures［J］. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1998, 20(2): 113-125.

[15] [15] ESTER M, KRIEGEL H, SANDER J, et al. A density-based algorithm for discovering clusters a density-based algorithm for discovering clusters in large spatial databases with noise［J］.Proceedings of the 2nd International Conference on Knowledge Discovery & Data Mining，1996,AAAI: 226-231.