[1] TIAN Chao, LIU Shengchun. Demodulation of two-shot fringe patterns with random phase shifts by use of orthogonal polynomials and global optimization[J]. Optics Express, 24, 3202-3215(2016).

[2] TRUSIAK M. Fringe analysis: single-shot or two-frames? Quantitative phase imaging answers[J]. Optics Express, 29, 18192-18211(2021).

[3] KREIS T M, JUEPTNER W. Fourier transform evaluation of interference patterns: demodulation and sign ambiguity[C], 1553, 263-273(1992).

[4] VARGAS J, QUIROGA J A, SORZANO C O et al. Two-step demodulation based on the Gram-Schmidt orthonormalization method[J]. Optics Letters, 37, 443-445(2012).

[5] VARGAS J, QUIROGA J A, BELENGUER T et al. Two-step self-tuning phase-shifting interferometry[J]. Optics Letters, 19, 638-648(2011).

[6] VARGAS J, QUIROGA J A, SORZANO C O et al. Two-step interferometry by a regularized optical flow algorithm[J]. Optics Letters, 36, 3485-3487(2011).

[7] TIAN Chao, LIU Shengchun. Phase retrieval in two-shot phase-shifting interferometry based on phase shift estimation in a local mask[J]. Optics Express, 25, 21673-21683(2017).

[8] CHENG Zhongtao, LIU Dong, ZHANG Lei. Random two-frame phase-shifting interferometry via minimization of coefficient of variation[J]. Applied Physics Letters, 115, 121107(2019).

[9] ZHANG Yu, TIAN Xiaobo, LIANG Rongguang. Random two-step phase shifting interferometry based on Lissajous ellipse fitting and least squares technologies[J]. Optics Express, 26, 15059-15071(2018).

[10] ZHANG Hangying, ZHAO Hong, ZHAO Zixin et al. Two-frame fringe pattern phase demodulation using Gram-Schmidt orthonormalization with least squares method[J]. Optics Express, 27, 10495-10508(2019).

[11] VARGAS J, QUIROGA J A, BELENGUER T. Phase-shifting interferometry based on principal component analysis[J]. Optics Letters, 36, 1326-1328(2011).

[12] ZHANG Hangying, YANG Feng, ZHAO Hong et al. Fast and robust two-frame random phase-shifting interferometry without pre-filtering[J]. Optics Express, 30, 26426-26439(2022).

[13] GOMEZ-PEDRERO J A, ESTRADA J C, ALONSO J et al. Incremental PCA algorithm for fringe pattern demodulation[J]. Optics Express, 30, 12278-12293(2022).

[14] WANG Zhaoyang, HAN Bongtae. Advanced iterative algorithm for phase extraction of randomly phase-shifted interferograms[J]. Optics Letters, 29, 1671-1673(2004).

[15] CHENG Zhongtao, LIU Dong. Fast and accurate wavefront reconstruction in two-frame phase-shifting interferometry with unknown phase step[J]. Optics Letters, 43, 3033-3036(2018).

[16] ZHAO Zixin, ZHANG Hangying, XIAO Zhaoxian et al. Robust 2D phase unwrapping algorithm based on the transport of intensity equation[J]. Measurement Science and Technology, 30, 015201(2019).