Laser Technology, Volume. 44, Issue 4, 459(2020)
Light bar centerline extraction method based on density clustering
[1] [1] HAN Q.Three-dimensional measurement technology applied to stomatology[J].Journal of Oral Materials and Devices,2003,12(1):39-41(in Chinese).
[2] [2] QUAN Y M,LI Sh M,MAI Q Q. On-machine 3-D measurement of workpiece dimensions based on binocular vision[J].Optics and Precision Engineering,2013,21(4):1054-1061(in Chinese).
[3] [3] FU Y J,WENG L X,HU M.Research on key methods of 3-D measurement of large objects based on monocular structure light[J].Journal of Applied Optics,2018,39(2):212-219(in Chinese).
[4] [4] YANG J,JIA Sh H.A novel method of three dimensional profile measurement[J].Acta Photonica Sinica, 2007, 36(6):972-975(in Ch-inese).
[5] [5] YANG X J, CHI M H.An improved method of extracting structured light strip center[J].Applied Science and Technology,2009,36(12):41-44(in Chinese).
[6] [6] GAO Sh Y,YANG K Zh.Research on central position extraction of laser strip based on varied-boundary Gaussian fitting[J].Chinese Journal of Scientific Instrument,2011, 32(5):1132-1137(in Chinese).
[7] [7] STEGER C .An unbiased detector of curvilinear structures[J].IEEE Transactions on Pattern Analysis and Machine Intelligence, 1998,20(2):113-125.
[8] [8] van ASSEN H C,EGMONT-PEYERSEN M,REIBER J H C.Accurate object localization in gray level images using the center of gravity measure: Accuracy versus precision[J].IEEE Transactions on Image Processing,2002,11(12):1379-1384.
[9] [9] ZHANG X Y,WANG X Q,BAI F Zh,et al.Improved gray centroid method for extracting the center-line of light-stripe[J].Laser & Infrared,2016,46(5):622-626(in Chinese).
[10] [10] ZHAO X S,ZHANG G X,ZHANG H W. Probe for measuring high reflective surface[J].Journal of Tianjin University,2004,37(3):274-277(in Chinese).
[11] [11] ZHANG H W,ZHANG G X, LI Zh,et al.Application of non-contact optical probe in measurement of high-reflective metallic surface[J].Journal of Tianjin University,2004,37(10):910-913(in Chinese).
[12] [12] ZHAO X S,ZHANG G X,LIU Zh,et al.The probe design of for high-reflection sculptured surface measurement[J].Chinese Journal of Scientific Instrument,2004,25(2):274-279(in Chinese).
[13] [13] ZHAO B H,WANG B X,ZHANG J,et al.Extraction of laser stripe center on rough metal surface[J].Optics and Precision Engineering,2011,19(9):2138-2145(in Chinese).
[14] [14] KOKKU R,BROOKSBY G.Improving 3-D surface measurement accuracy on metallic surfaces[J].Proceedings of the SPIE,2005,5856:618-624.
[15] [15] WANG W Ch,XU J Q,SI Sh Ch.A improved barycenter method used in light-trap center acquiring [J]. Journal of Optoelectronic·Laser,2005,16(10):1239-1242(in Chinese).
[16] [16] SHI Sh L,YIN D Y.Improved real-time grayscale centroid algorithm[J].Opto-Electronic Engineering,2013,40(12):18-24(in Ch-inese).
[17] [17] HUANG L F,LIU G D,ZHANG Ch,et al.Laser stripe center extraction algorithm based on gray weight model[J].Laser Technology,2020,44(2):190-195(in Chinese).
[18] [18] TAO J,ZHANG X.Orientation algorithm of light-spot center subpixel in fiber sensing system[J].Computer Engineering,2010,36(19):31-33(in Chinese).
[19] [19] ESTER M,KRIEGEL H P,XU X.A density-based algorithm for discovering clusters a density-based algorithm for discovering clusters in large spatial databases with noise[C]//Proceedings of the 2nd International Conference on Knowledge Discovery & Data Mining.Portland,USA:AAAI Press,1996:226-231.
[20] [20] PUN T.A new method for grey-level picture thresholding using the entropy of the histogram[J].Signal Processing,1980, 2(3):223-237.
[21] [21] OTSU N.A Threshold selection method from gray-level histograms[J].IEEE Transactions on Systems,Man,and Cybernetics,2007,9(1):62-66.
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LIANG Yulong, DUAN Fajie. Light bar centerline extraction method based on density clustering[J]. Laser Technology, 2020, 44(4): 459
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Received: Aug. 15, 2019
Accepted: --
Published Online: Jul. 16, 2020
The Author Email: DUAN Fajie (fjduan@tju.edu.cn)