[1] [1] ZHOU H. Study on the Vision-based Target Tracking and Spatial Coordinates Positioning System ［D］. Tianjin: Tianjin University, 2011. (in Chinese)

[2] [2] QUAN Y M, LI SH M, MAI Q Q. On-machine 3D measurement of workpiece dimensions based on binocular vision ［J］. Opt. Precision Eng., 2013, 21(4): 1054-1061. (in Chinese)

[3] [3] HU B J, ZENG L, XIONG W, et al.. Object pose measurement technique based on stereovision ［J］. Computer Measurement ＆Control, 2007(1): 27-28+61. (in Chinese)

[4] [4] XIE B F. Study on Rigid Body's Attitude Measurement System Based on Mono-Vision ［D］. Harbin: Harbin Institute of Technology, 2009. (in Chinese)

[5] [5] AlEX M. A. Multiple view geometry in computer vision second edition［J］. Kybernetes, 2003, 30(9-10):1333-1341.

[6] [6] ZHAO Y G, HOU X L, LEI J, et al.. The Obstacle Avoidance System for Mobile Robot Based on Binocular Stereo Vision［C］. 2010 8th World Congress on Intelligent Control and Automation (WCICA),7-9 July,2010:11511708.

[7] [7] XIE Z X, SUN H L, WANG X M. Study of the two-light pen-camera type 3D-coordinate measuring system［J］. Optical Technique, 2012, 38(4):459-464. (in Chinese)

[8] [8] DONG Y H. Research on Technologies for Accuracy Improvement of Light Pen Coordinate Measuring System with Single Camera［D］. Tianjin: Tianjin University, 2013. (in Chinese)

[9] [9] KONG X F, CHEN Q, GU G H, et al.. GPS-based binocular camera calibration and space coordinate reconstruction ［J］. Opt. Precision Eng., 2017, 25(2): 485-492. (in Chinese)

[10] [10] XU Q Y. Study of the Key Technologies of Online 3D Vision Measurement System for Large-scale Equipment［D］. Harbin: Harbin Institute of Technology, 2007. (in Chinese)

[11] [11] ZHANG Y H. Research on the Multi-angle Monocular Coordinates Measuring Method for Spatial Points［D］. Tianjin: Tianjin University, 2016. (in Chinese)

[12] [12] WANG CH Y. Whole Measurement of Antenna Structure based on Wide-angle Imaging［D］. Xi'an: Xidian University, 2013. (in Chinese)

[13] [13] ZHENGYOU ZHANG. A flexible new technique for camera calibration ［J］. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2000,22(11): 1330-1334.

[14] [14] CHRISTIAN WOHLER. 3D Computer Vision_Efficient Methods and Applications, 2nd［M］.New York: Springer-Verlag London, 2013.

[15] [15] MICHAEL A S, JEAN-JOSE ORTEU, HUBERT W S. Image Correlation for Shape Motion and Deformation Measurements［M］. New York: Springer Science Business Media, LLC 2009.

[16] [16] YOUNG HOO KWON. Direct linear transformation method［P/OL]. ［1998]. http://www.kwon3d.com/theory/dlt/dlt.html.

[17] [17] RICHARD HARTLEY A Z. Multiple View Geometry in Computer Vision 2nd Edition ［M］. New York: Cambridge University Press, 2003.

[18] [18] T LUHMANN, S ROBSON, S K HARLEY. Close-Range Photogrammetry and 3D Imaging ［M］. Scotland: Whittles Publishing, 2011.

[19] [19] ZHAO Z X, TU H, FENG R, et al.. Dynamic modelling of paddy leveler based on flexible multibody systems and its verification ［J］. Transactions of the Chinese Society of Agricultural Engineering, 2017, 33(19): 27-33. (in Chinese)

[20] [20] KE X R. Design of a Laser Receiver and Height Controller of Laser Levelers for Paddy Fields［D］. Guangzhou: South Agricultural University, 2014. (in Chinese)