[1] Tabin J, Prącik M. Methods for identifying dynamic parameters of clip-on extensometer-specimen structure in tensile tests[J]. Measurement, 63, 176-186(2015).

[2] Wang Fan, Zhao Liang, Wu Xiaodong, Dang Faning. Measurement and Analysis of Concrete Deformation Field Based on CT and Digital Image Correlation Method[J]. Laser & Optoelectronics Progress, 57, 200401(2020).

[3] Wu R, Liu Y, Zhou J M et al. Full-field strain measurement of rotating object using digital image correlation[J]. Acta Optica Sinica, 40, 1312005(2020).

[4] Pan B, Yu L P, Wu D F. High-accuracy 2D digital image correlation measurements with bilateral telecentric lenses: error analysis and experimental verification[J]. Experimental Mechanics, 53, 1719-1733(2013).

[5] Zhu F P, Gong Y, Bai P X et al. Determination of tensile stress-strain curve of brittle materials based on two-dimensional digital image correlation[J]. Journal of Experimental Mechanics, 33, 333-342(2018).

[6] Bai P X, Zhu F P, He X Y. Optical extensometer and elimination of the effect of out-of-plane motions[J]. Optics and Lasers in Engineering, 65, 28-37(2015).

[7] Pan B, Yu L P, Wu D F. High-accuracy 2D digital image correlation measurements using low-cost imaging lenses: implementation of a generalized compensation method[J]. Measurement Science and Technology, 25, 025001(2014).

[8] Lü Z, Xu X H, Yan T H et al. High-accuracy optical extensometer based on coordinate transform in two-dimensional digital image correlation[J]. Optics and Lasers in Engineering, 100, 61-70(2018).

[9] Zhu F P, Bai P X, Shi H J et al. Enhancement of strain measurement accuracy using optical extensometer by application of dual-reflector imaging[J]. Measurement Science and Technology, 27, 065007(2016).

[10] Zhu F P, Gong Y, Bai P X et al. Study on strain measurement accuracy of optical extensometers based on digital image correlation[J]. Optics and Precision Engineering, 26, 1061-1069(2018).

[11] Zhu F P, Lu R Z, Bai P X et al. Enhancement of strain measurement accuracy of two-dimensional digital image correlation based on dual-reflector imaging[J]. Acta Optica Sinica, 39, 1212002(2019).

[12] Dong B, Tian L, Pan B. Tensile testing of carbon fiber multifilament using an advanced video extensometer assisted by dual-reflector imaging[J]. Measurement, 138, 325-331(2019).

[13] Pan B, Yu L P, Wu D F. High-accuracy twodimensional digital image correlation measurement system using a bilateral telecentric lens[J]. Acta Optica Sinica, 33, 0412004(2013).

[14] Shao X X, Eisa M M, Chen Z N et al. Self-calibration single-lens 3D video extensometer for high-accuracy and real-time strain measurement[J]. Optics Express, 24, 30124-30138(2016).

[15] Zhu F P, Lu R Z, Gu J et al. High-resolution and high-accuracy optical extensometer based on a reflective imaging technique[J]. Optics and Lasers in Engineering, 132, 106136(2020).

[16] Chen B, Chen W P, Pan B. High-precision video extensometer based on a simple dual field-of-view telecentric imaging system[J]. Measurement, 166, 108209(2020).