[1] Zhang Z H, Liu W, Liu G D et al. Overview of the development and application of 3D vision measurement technology[J]. Journal of Image and Graphics, 26, 1483-1502(2021).

[2] Su X Y, Zhang Q C. Dynamic 3-D shape measurement method: a review[J]. Optics and Lasers in Engineering, 48, 191-204(2010).

[3] Watkins L R. Review of fringe pattern phase recovery using the 1-D and 2-D continuous wavelet transforms[J]. Optics and Lasers in Engineering, 50, 1015-1022(2012).

[4] Liu Y, Wang Y. Present status and trend of technical development of displacement sensor[J]. Techniques of Automation and Applications, 32, 76-80, 101(2013).

[5] Gorthi S S, Rastogi P. Fringe projection techniques: whither we are?[J]. Optics and Lasers in Engineering, 48, 133-140(2010).

[6] Cai Z W. Research on 3D measurement technology of digital fringe projection[D](2017).

[7] Zhu Y. 3D shape measurement based on digital fringe projection[D](2014).

[8] Hu Y, Chen Q, Feng S J et al. Microscopic fringe projection profilometry: a review[J]. Optics and Lasers in Engineering, 135, 106192(2020).

[9] Porras-Aguilar R, Falaggis K. Absolute phase recovery in structured light illumination systems: sinusoidal vs. intensity discrete patterns[J]. Optics and Lasers in Engineering, 84, 111-119(2016).

[10] Long J, Xi J, Zhang J et al. Recovery of absolute phases for the fringe patterns of three selected wavelengths with improved anti-error capability[J]. Journal of Modern Optics, 63, 1695-1705(2016).

[11] Ding Y, Xi J T, Yu Y G et al. Absolute phase recovery of three fringe patterns with selected spatial frequencies[J]. Optics and Lasers in Engineering, 70, 18-25(2015).

[12] Long J L, Zhang J M, Fan Z H. Implementation of 3-D shape measurement with digital double-wavelength fringe projections[J]. Optoelectronic Technology, 35, 258-262(2015).

[13] Ding Y, Xi J, Yu Y et al. Frequency selection in absolute phase maps recovery with two frequency projection fringes[J]. Optics Express, 20, 13238-13251(2012).

[14] Cao P, Xi J, Yu Y et al. 3D shape measurement based on projection of triangular patterns of two selected frequencies[J]. Optics Express, 22, 29234-29248(2014).

[15] Mao C, Lu R, Liu Z. A multi-frequency inverse-phase error compensation method for projector nonlinear in 3D shape measurement[J]. Optics Communications, 419, 75-82(2018).

[16] Guo W, Wu Z, Li Y et al. Real-time 3D shape measurement with dual-frequency composite grating and motion-induced error reduction[J]. Optics Express, 28, 26882-26897(2020).

[17] Qian J, Feng S, Li Y et al. Single-shot absolute 3D shape measurement with deep-learning-based color fringe projection profilometry[J]. Optics Letters, 45, 1842-1845(2020).

[18] Long J L, Xi J T, Zhu M et al. Absolute phase map recovery of two fringe patterns with flexible selection of fringe wavelengths[J]. Applied Optics, 53, 1794-1801(2014).

[19] Long J L. Absolute phase map recovery with digital multiple wavelength fringe projections in three-dimensional measurement[D](2016).

[20] Yuan X C, Wu L S, Chen H W. Rail image segmentation based on Otsu threshold method[J]. Optics and Precision Engineering, 24, 1772-1781(2016).