[1] Zhang Yu, Jin Chunshui, Ma Dongmei, et al. Key technology for fiber phase-shifting point diffraction interferometer [J]. Infrared and Laser Engineering, 2015, 44(1): 254-259. (in Chinese) doi:  10.3969/j.issn.1007-2276.2015.01.044
[2] Tian Chao, Liu Shengchun. Two-frame phase-shifting interferometry for testing optical surfaces [J]. Optics Express, 2016, 24(16): 18695-18708. doi:  10.1364/OE.24.018695
[3] Wang Zhaoyang, Han Bongtae. Advanced iterative algorithm for phase extraction of randomly phase-shifted interferograms [J]. Optics Letters, 2004, 29(14): 1671-1673. doi:  10.1364/ol.29.001671
[4] Vargas J, Quiroga J A, Belenguer T. Phase-shifting interferometry based on principal component analysis [J]. Optics Letters, 2011, 36(8): 1326-1328. doi:  10.1364/OL.36.001326
[5] Deng Jian, Wang Kai, Wu Dan, et al. Advanced principal component analysis method for phase reconstruction [J]. Optics Express, 2015, 23(9): 12222-12231. doi:  10.1364/OE.23.012222
[6] Yatabe K, Ishikawa K, Oikawa Y. Simple, flexible, and accurate phase retrieval method for generalized phase-shifting interferometry [J]. Journal of the Optical Society of America A, 2017, 34(1): 87-96. doi:  10.1364/JOSAA.34.000087
[7] Vargas J, Quiroga J A, Sorzano C O S, et al. Two-step demodulation based on the Gram-Schmidt orthonormalization method [J]. Optics Letters, 2012, 37(3): 443-445. doi:  10.1364/ol.37.000443
[8] Luo Chunshu, Zhong Liyun, Sun Peng, et al. Two-step demodulation algorithm based on the orthogonality of diamond diagonal vectors [J]. Applied Physics B, 2015, 119: 387-391.
[9] Niu Wenhu, Zhong Liqun, Sun Peng, et al. Two-step phase retrieval algorithm based on the quotient of inner products of phase-shifting interferograms [J]. Journal of Optics, 2015, 17: 085703. doi:  10.1088/2040-8978/17/8/085703
[10] Cheng Zhongtao, Liu Dong. Fast and accurate wavefront reconstruction in two-frame phase-shifting interferometry with unknown phase step [J]. Optics Letters, 2018, 43(13): 3033-3036. doi:  10.1364/OL.43.003033
[11] Cheng Zhongtao, Liu Dong, Zhang Lei. Random two-frame phase-shifting interferometry via minimization of coefficient of variation [J]. Applied Physics Letters, 2019, 115: 121107. doi:  10.1063/1.5118296
[12] Farrell C T, Player M A. Phase step measurement and variable step algorithms in phase-shifting interferometry [J]. Measurement Science and Technology, 1992, 3: 953-958. doi:  10.1088/0957-0233/3/10/003
[13] Zhang Yu, Tian Xiaobo, Liang Rongguang. Two-step random phase retrieval approach based on Gram-Schmidt orthonormalization and Lissajous ellipse fitting method [J]. Optics Express, 2019, 27: 2575-2588. doi:  org/10.1364/OE.27.002575
[14] Zhang Yu, Tian Xiaobo, Liang Rongguang. Accurate and fast two-step phase shifting algorithm based on principle component analysis and lissajous ellipse fitting with random phase shift and no pre-filtering [J]. Optics Express, 2019, 27(14): 20047-20063. doi:  10.1364/OE.27.020047
[15] Zhang Yu. Random phase retrieval approach using Euclidean matrix norm of sum and difference map and fast least-squares algorithm [J]. Optics Communications, 2020, 460: 125174. doi:  org/10.1016/j.optcom.2019.125174
[16] Zhang Yu, Tian Xiaobo, Liang Rongguang. Random two-step phase shifting interferometry based on Lissajous ellipse fitting and least squares technologies [J]. Optics Express, 2018, 26(12): 15059-15072. doi:  10.1364/OE.26.015059