Y. Lu, R. Zhang, and H. Guo, “Correction of illumination fluctuations in phase-shifting technique by use of fringe histograms,” Appl. Opt. 55(1), 184–197 (2016).

[PubMed]

R. Zhang, H. Guo, and A. K. Asundi, “Geometric analysis of influence of fringe directions on phase sensitivities in fringe projection profilometry,” Appl. Opt. 55(27), 7675–7687 (2016).

[PubMed]

C. Zuo, L. Huang, M. Zhang, Q. Chen, and A. Asundi, “Temporal phase unwrapping algorithms for fringe projection profilometry: A comparative review,” Opt. Lasers Eng. 85, 84–103 (2016).

I. leandry, C. Brequei, and V. Valle, “Calibration of a structured-light projection system: development to large dimension objects,” Opt. Laser Technol. 50, 373–378 (2012).

L. Huang, P. S. Chua, and A. Asundi, “Least-squares calibration method for fringe projection profilometry considering camera lens distortion,” Appl. Opt. 49(9), 1539–1548 (2010).

[PubMed]

S. S. Gorthi and P. Rastogi, “Fringe projection techniques: whither we are?” Opt. Lasers Eng. 48, 133–140 (2010).

K. Liu, Y. Wang, D. L. Lau, Q. Hao, and L. G. Hassebrook, “Gamma model and its analysis for phase measuring profilometry,” J. Opt. Soc. Am. A 27(3), 553–562 (2010).

[PubMed]

T. Hoang, B. Pan, D. Nguyen, and Z. Wang, “Generic gamma correction for accuracy enhancement in fringe-projection profilometry,” Opt. Lett. 35(12), 1992–1994 (2010).

[PubMed]

R. Yang, S. Cheng, and Y. Chen, “Flexible and accurate implementation of a binocular structured light system,” Opt. Lasers Eng. 46, 373–379 (2008).

W. Gao, L. Wang, and Z. Hu, “Flexible method for structured light system calibration,” Opt. Eng. 47, 083602 (2008).

Z. Li, Y. Shi, C. Wang, and Y. Wang, “Accurate calibration method for a structured light system,” Opt. Eng. 47, 053604 (2008).

H. Guo, H. He, Y. Yu, and M. Chen, “Least-squares calibration method for fringe projection profilometry,” Opt. Eng. 44, 033603 (2005).

R. Legarda-sáenz, T. Bothe, and W. P. Jüptner, “Accurate procedure for the calibration of a structured light system,” Opt. Eng. 43, 464–471 (2004).

H. Guo, H. He, and M. Chen, “Gamma correction for digital fringe projection profilometry,” Appl. Opt. 43(14), 2906–2914 (2004).

[PubMed]

H. Liu, W. Su, and K. Reichard, “Calibration-based phase-shifting projected fringe profilometry for accurate absolute 3D surface profile measurement,” Opt. Commun. 216, 65–80 (2003).

Q. Hu, P. S. Huang, Q. Fu, and F.-P. Chiang, “Calibration of a three-dimensional shape measurement system,” Opt. Eng. 42, 487–493 (2003).

H. Guo and M. Chen, “Fourier analysis of the sampling characteristics of the phase-shifting algorithm,” Proc. SPIE 5180, 437–444 (2003).

R. Sitnik, M. Kujawińska, and J. Woźnicki, “Digital fringe projection system for large-volume 360-deg shape measurement,” Opt. Eng. 41, 443–449 (2002).

Y. Y. Hung, L. Lin, H. M. Shang, and B. G. Park, “Practical three dimensional computer vision techniques for full-field surface measurement,” Opt. Eng. 39, 143–149 (2000).

Z. Y. Zhang, “A flexible new technique for camera calibration,” IEEE Trans. Pattern Anal. Mach. Intell. 22, 1330–1334 (2000).

J. Guehring, “Dense 3D surface acquisition by structured light using off-the-shelf components,” Proc. SPIE 4309, 220–231 (2000).

C. Zuo, L. Huang, M. Zhang, Q. Chen, and A. Asundi, “Temporal phase unwrapping algorithms for fringe projection profilometry: A comparative review,” Opt. Lasers Eng. 85, 84–103 (2016).

L. Huang, P. S. Chua, and A. Asundi, “Least-squares calibration method for fringe projection profilometry considering camera lens distortion,” Appl. Opt. 49(9), 1539–1548 (2010).

[PubMed]

B. Pan, Q. Kemao, L. Huang, and A. Asundi, “Phase error analysis and compensation for nonsinusoidal waveforms in phase-shifting digital fringe projection profilometry,” Opt. Lett. 34(4), 416–418 (2009).

[PubMed]

Z. Wang, D. Nguyen, and J. Barnes, “Recent advances in 3D shape measurement and imaging using fringe projection technique,” in Proceedings of the SEM Annual Congress and Exposition on Experimental and Applied Mechanics 2009 (Society for Experimental Mechanics, 2009), pp. 2644–2653.

R. Legarda-sáenz, T. Bothe, and W. P. Jüptner, “Accurate procedure for the calibration of a structured light system,” Opt. Eng. 43, 464–471 (2004).

I. leandry, C. Brequei, and V. Valle, “Calibration of a structured-light projection system: development to large dimension objects,” Opt. Laser Technol. 50, 373–378 (2012).

H. Guo, M. Chen, and P. Zheng, “Least-squares fitting of carrier phase distribution by using a rational function in fringe projection profilometry [corrected],” Opt. Lett. 31(24), 3588–3590 (2006).

[PubMed]

H. Guo, H. He, Y. Yu, and M. Chen, “Least-squares calibration method for fringe projection profilometry,” Opt. Eng. 44, 033603 (2005).

H. Guo, H. He, and M. Chen, “Gamma correction for digital fringe projection profilometry,” Appl. Opt. 43(14), 2906–2914 (2004).

[PubMed]

H. Guo and M. Chen, “Fourier analysis of the sampling characteristics of the phase-shifting algorithm,” Proc. SPIE 5180, 437–444 (2003).

C. Zuo, L. Huang, M. Zhang, Q. Chen, and A. Asundi, “Temporal phase unwrapping algorithms for fringe projection profilometry: A comparative review,” Opt. Lasers Eng. 85, 84–103 (2016).

R. Yang, S. Cheng, and Y. Chen, “Flexible and accurate implementation of a binocular structured light system,” Opt. Lasers Eng. 46, 373–379 (2008).

R. Yang, S. Cheng, and Y. Chen, “Flexible and accurate implementation of a binocular structured light system,” Opt. Lasers Eng. 46, 373–379 (2008).

Q. Hu, P. S. Huang, Q. Fu, and F.-P. Chiang, “Calibration of a three-dimensional shape measurement system,” Opt. Eng. 42, 487–493 (2003).

C. R. Coggrave and J. M. Huntley, “High-speed surface profilometer based on a spatial light modulator and pipeline image processor,” Opt. Eng. 38, 1573–1581 (1999).

Q. Hu, P. S. Huang, Q. Fu, and F.-P. Chiang, “Calibration of a three-dimensional shape measurement system,” Opt. Eng. 42, 487–493 (2003).

W. Gao, L. Wang, and Z. Hu, “Flexible method for structured light system calibration,” Opt. Eng. 47, 083602 (2008).

S. S. Gorthi and P. Rastogi, “Fringe projection techniques: whither we are?” Opt. Lasers Eng. 48, 133–140 (2010).

J. Guehring, “Dense 3D surface acquisition by structured light using off-the-shelf components,” Proc. SPIE 4309, 220–231 (2000).

S. Xing and H. Guo, “Temporal phase unwrapping for fringe projection profilometry aided by recursion of Chebyshev polynomials,” Appl. Opt. 56(6), 1591–1602 (2017).

[PubMed]

F. Lü, S. Xing, and H. Guo, “Self-correction of projector nonlinearity in phase-shifting fringe projection profilometry,” Appl. Opt. 56(25), 7204–7216 (2017).

[PubMed]

Y. Lu, R. Zhang, and H. Guo, “Correction of illumination fluctuations in phase-shifting technique by use of fringe histograms,” Appl. Opt. 55(1), 184–197 (2016).

[PubMed]

R. Zhang, H. Guo, and A. K. Asundi, “Geometric analysis of influence of fringe directions on phase sensitivities in fringe projection profilometry,” Appl. Opt. 55(27), 7675–7687 (2016).

[PubMed]

H. Guo, M. Chen, and P. Zheng, “Least-squares fitting of carrier phase distribution by using a rational function in fringe projection profilometry [corrected],” Opt. Lett. 31(24), 3588–3590 (2006).

[PubMed]

H. Guo, H. He, Y. Yu, and M. Chen, “Least-squares calibration method for fringe projection profilometry,” Opt. Eng. 44, 033603 (2005).

H. Guo, H. He, and M. Chen, “Gamma correction for digital fringe projection profilometry,” Appl. Opt. 43(14), 2906–2914 (2004).

[PubMed]

H. Guo and M. Chen, “Fourier analysis of the sampling characteristics of the phase-shifting algorithm,” Proc. SPIE 5180, 437–444 (2003).

H. Guo, H. He, Y. Yu, and M. Chen, “Least-squares calibration method for fringe projection profilometry,” Opt. Eng. 44, 033603 (2005).

H. Guo, H. He, and M. Chen, “Gamma correction for digital fringe projection profilometry,” Appl. Opt. 43(14), 2906–2914 (2004).

[PubMed]

Q. Hu, P. S. Huang, Q. Fu, and F.-P. Chiang, “Calibration of a three-dimensional shape measurement system,” Opt. Eng. 42, 487–493 (2003).

W. Gao, L. Wang, and Z. Hu, “Flexible method for structured light system calibration,” Opt. Eng. 47, 083602 (2008).

C. Zuo, L. Huang, M. Zhang, Q. Chen, and A. Asundi, “Temporal phase unwrapping algorithms for fringe projection profilometry: A comparative review,” Opt. Lasers Eng. 85, 84–103 (2016).

L. Huang, P. S. Chua, and A. Asundi, “Least-squares calibration method for fringe projection profilometry considering camera lens distortion,” Appl. Opt. 49(9), 1539–1548 (2010).

[PubMed]

B. Pan, Q. Kemao, L. Huang, and A. Asundi, “Phase error analysis and compensation for nonsinusoidal waveforms in phase-shifting digital fringe projection profilometry,” Opt. Lett. 34(4), 416–418 (2009).

[PubMed]

S. Zhang and P. S. Huang, “Novel method for structured light system calibration,” Opt. Eng. 45, 083601 (2006).

Q. Hu, P. S. Huang, Q. Fu, and F.-P. Chiang, “Calibration of a three-dimensional shape measurement system,” Opt. Eng. 42, 487–493 (2003).

Y. Y. Hung, L. Lin, H. M. Shang, and B. G. Park, “Practical three dimensional computer vision techniques for full-field surface measurement,” Opt. Eng. 39, 143–149 (2000).

C. R. Coggrave and J. M. Huntley, “High-speed surface profilometer based on a spatial light modulator and pipeline image processor,” Opt. Eng. 38, 1573–1581 (1999).

R. Legarda-sáenz, T. Bothe, and W. P. Jüptner, “Accurate procedure for the calibration of a structured light system,” Opt. Eng. 43, 464–471 (2004).

R. Sitnik, M. Kujawińska, and J. Woźnicki, “Digital fringe projection system for large-volume 360-deg shape measurement,” Opt. Eng. 41, 443–449 (2002).

I. leandry, C. Brequei, and V. Valle, “Calibration of a structured-light projection system: development to large dimension objects,” Opt. Laser Technol. 50, 373–378 (2012).

R. Legarda-sáenz, T. Bothe, and W. P. Jüptner, “Accurate procedure for the calibration of a structured light system,” Opt. Eng. 43, 464–471 (2004).

Z. Li, Y. Shi, C. Wang, and Y. Wang, “Accurate calibration method for a structured light system,” Opt. Eng. 47, 053604 (2008).

Y. Y. Hung, L. Lin, H. M. Shang, and B. G. Park, “Practical three dimensional computer vision techniques for full-field surface measurement,” Opt. Eng. 39, 143–149 (2000).

H. Liu, W. Su, and K. Reichard, “Calibration-based phase-shifting projected fringe profilometry for accurate absolute 3D surface profile measurement,” Opt. Commun. 216, 65–80 (2003).

T. Hoang, B. Pan, D. Nguyen, and Z. Wang, “Generic gamma correction for accuracy enhancement in fringe-projection profilometry,” Opt. Lett. 35(12), 1992–1994 (2010).

[PubMed]

Z. Wang, D. Nguyen, and J. Barnes, “Recent advances in 3D shape measurement and imaging using fringe projection technique,” in Proceedings of the SEM Annual Congress and Exposition on Experimental and Applied Mechanics 2009 (Society for Experimental Mechanics, 2009), pp. 2644–2653.

T. Hoang, B. Pan, D. Nguyen, and Z. Wang, “Generic gamma correction for accuracy enhancement in fringe-projection profilometry,” Opt. Lett. 35(12), 1992–1994 (2010).

[PubMed]

B. Pan, Q. Kemao, L. Huang, and A. Asundi, “Phase error analysis and compensation for nonsinusoidal waveforms in phase-shifting digital fringe projection profilometry,” Opt. Lett. 34(4), 416–418 (2009).

[PubMed]

Y. Y. Hung, L. Lin, H. M. Shang, and B. G. Park, “Practical three dimensional computer vision techniques for full-field surface measurement,” Opt. Eng. 39, 143–149 (2000).

S. S. Gorthi and P. Rastogi, “Fringe projection techniques: whither we are?” Opt. Lasers Eng. 48, 133–140 (2010).

H. Liu, W. Su, and K. Reichard, “Calibration-based phase-shifting projected fringe profilometry for accurate absolute 3D surface profile measurement,” Opt. Commun. 216, 65–80 (2003).

Y. Y. Hung, L. Lin, H. M. Shang, and B. G. Park, “Practical three dimensional computer vision techniques for full-field surface measurement,” Opt. Eng. 39, 143–149 (2000).

Z. Li, Y. Shi, C. Wang, and Y. Wang, “Accurate calibration method for a structured light system,” Opt. Eng. 47, 053604 (2008).

R. Sitnik, M. Kujawińska, and J. Woźnicki, “Digital fringe projection system for large-volume 360-deg shape measurement,” Opt. Eng. 41, 443–449 (2002).

H. Liu, W. Su, and K. Reichard, “Calibration-based phase-shifting projected fringe profilometry for accurate absolute 3D surface profile measurement,” Opt. Commun. 216, 65–80 (2003).

W. Zhou and X. Y. Su, “A direct mapping algorithm for phase measuring profilometry,” J. Mod. Opt. 41, 89–94 (1994).

P. J. Tavares and M. A. Vaz, “Linear calibration procedure for the phase-to-height relationship in phase measurement profilometry,” Opt. Commun. 274, 307–314 (2007).

R. Y. Tsai, “An efficient and accurate camera calibration technique for 3D machine vision,” in Proceedings of IEEE Conference on Computer Vision and Pattern Recognition (IEEE, 1986), pp. 364–374.

I. leandry, C. Brequei, and V. Valle, “Calibration of a structured-light projection system: development to large dimension objects,” Opt. Laser Technol. 50, 373–378 (2012).

P. J. Tavares and M. A. Vaz, “Linear calibration procedure for the phase-to-height relationship in phase measurement profilometry,” Opt. Commun. 274, 307–314 (2007).

Z. Li, Y. Shi, C. Wang, and Y. Wang, “Accurate calibration method for a structured light system,” Opt. Eng. 47, 053604 (2008).

W. Gao, L. Wang, and Z. Hu, “Flexible method for structured light system calibration,” Opt. Eng. 47, 083602 (2008).

K. Liu, Y. Wang, D. L. Lau, Q. Hao, and L. G. Hassebrook, “Gamma model and its analysis for phase measuring profilometry,” J. Opt. Soc. Am. A 27(3), 553–562 (2010).

[PubMed]

Z. Li, Y. Shi, C. Wang, and Y. Wang, “Accurate calibration method for a structured light system,” Opt. Eng. 47, 053604 (2008).

T. Hoang, B. Pan, D. Nguyen, and Z. Wang, “Generic gamma correction for accuracy enhancement in fringe-projection profilometry,” Opt. Lett. 35(12), 1992–1994 (2010).

[PubMed]

Z. Wang, D. Nguyen, and J. Barnes, “Recent advances in 3D shape measurement and imaging using fringe projection technique,” in Proceedings of the SEM Annual Congress and Exposition on Experimental and Applied Mechanics 2009 (Society for Experimental Mechanics, 2009), pp. 2644–2653.

R. Sitnik, M. Kujawińska, and J. Woźnicki, “Digital fringe projection system for large-volume 360-deg shape measurement,” Opt. Eng. 41, 443–449 (2002).

R. Yang, S. Cheng, and Y. Chen, “Flexible and accurate implementation of a binocular structured light system,” Opt. Lasers Eng. 46, 373–379 (2008).

H. Guo, H. He, Y. Yu, and M. Chen, “Least-squares calibration method for fringe projection profilometry,” Opt. Eng. 44, 033603 (2005).

C. Zuo, L. Huang, M. Zhang, Q. Chen, and A. Asundi, “Temporal phase unwrapping algorithms for fringe projection profilometry: A comparative review,” Opt. Lasers Eng. 85, 84–103 (2016).

R. Zhang, H. Guo, and A. K. Asundi, “Geometric analysis of influence of fringe directions on phase sensitivities in fringe projection profilometry,” Appl. Opt. 55(27), 7675–7687 (2016).

[PubMed]

Y. Lu, R. Zhang, and H. Guo, “Correction of illumination fluctuations in phase-shifting technique by use of fringe histograms,” Appl. Opt. 55(1), 184–197 (2016).

[PubMed]

Z. Y. Zhang, “A flexible new technique for camera calibration,” IEEE Trans. Pattern Anal. Mach. Intell. 22, 1330–1334 (2000).

W. Zhou and X. Y. Su, “A direct mapping algorithm for phase measuring profilometry,” J. Mod. Opt. 41, 89–94 (1994).

C. Zuo, L. Huang, M. Zhang, Q. Chen, and A. Asundi, “Temporal phase unwrapping algorithms for fringe projection profilometry: A comparative review,” Opt. Lasers Eng. 85, 84–103 (2016).

S. Kakunai, T. Sakamoto, and K. Iwata, “Profile measurement taken with liquid-crystal gratings,” Appl. Opt. 38(13), 2824–2828 (1999).

[PubMed]

R. Zhang, H. Guo, and A. K. Asundi, “Geometric analysis of influence of fringe directions on phase sensitivities in fringe projection profilometry,” Appl. Opt. 55(27), 7675–7687 (2016).

[PubMed]

L. Huang, P. S. Chua, and A. Asundi, “Least-squares calibration method for fringe projection profilometry considering camera lens distortion,” Appl. Opt. 49(9), 1539–1548 (2010).

[PubMed]

Y. Lu, R. Zhang, and H. Guo, “Correction of illumination fluctuations in phase-shifting technique by use of fringe histograms,” Appl. Opt. 55(1), 184–197 (2016).

[PubMed]

H. Zhao, W. Chen, and Y. Tan, “Phase-unwrapping algorithm for the measurement of three-dimensional object shapes,” Appl. Opt. 33(20), 4497–4500 (1994).

[PubMed]

F. Lü, S. Xing, and H. Guo, “Self-correction of projector nonlinearity in phase-shifting fringe projection profilometry,” Appl. Opt. 56(25), 7204–7216 (2017).

[PubMed]

M. Takeda and K. Mutoh, “Fourier transform profilometry for the automatic measurement of 3-D object shapes,” Appl. Opt. 22(24), 3977–3982 (1983).

[PubMed]

S. Xing and H. Guo, “Temporal phase unwrapping for fringe projection profilometry aided by recursion of Chebyshev polynomials,” Appl. Opt. 56(6), 1591–1602 (2017).

[PubMed]

K. A. Stetson and W. R. Brohinsky, “Electro-optic holography and its application to hologram interferometry,” Appl. Opt. 24(21), 3631–3637 (1985).

[PubMed]

H. Guo, H. He, and M. Chen, “Gamma correction for digital fringe projection profilometry,” Appl. Opt. 43(14), 2906–2914 (2004).

[PubMed]

V. Srinivasan, H. C. Liu, and M. Halioua, “Automated phase-measuring profilometry of 3-D diffuse objects,” Appl. Opt. 23(18), 3105–3108 (1984).

[PubMed]

S. Zhang and S. T. Yau, “Generic nonsinusoidal phase error correction for three-dimensional shape measurement using a digital video projector,” Appl. Opt. 46(1), 36–43 (2007).

[PubMed]

Z. Y. Zhang, “A flexible new technique for camera calibration,” IEEE Trans. Pattern Anal. Mach. Intell. 22, 1330–1334 (2000).

W. Zhou and X. Y. Su, “A direct mapping algorithm for phase measuring profilometry,” J. Mod. Opt. 41, 89–94 (1994).

H. Liu, W. Su, and K. Reichard, “Calibration-based phase-shifting projected fringe profilometry for accurate absolute 3D surface profile measurement,” Opt. Commun. 216, 65–80 (2003).

P. J. Tavares and M. A. Vaz, “Linear calibration procedure for the phase-to-height relationship in phase measurement profilometry,” Opt. Commun. 274, 307–314 (2007).

C. R. Coggrave and J. M. Huntley, “High-speed surface profilometer based on a spatial light modulator and pipeline image processor,” Opt. Eng. 38, 1573–1581 (1999).

H. Guo, H. He, Y. Yu, and M. Chen, “Least-squares calibration method for fringe projection profilometry,” Opt. Eng. 44, 033603 (2005).

R. Sitnik, M. Kujawińska, and J. Woźnicki, “Digital fringe projection system for large-volume 360-deg shape measurement,” Opt. Eng. 41, 443–449 (2002).

Y. Y. Hung, L. Lin, H. M. Shang, and B. G. Park, “Practical three dimensional computer vision techniques for full-field surface measurement,” Opt. Eng. 39, 143–149 (2000).

S. Zhang and P. S. Huang, “Novel method for structured light system calibration,” Opt. Eng. 45, 083601 (2006).

Z. Li, Y. Shi, C. Wang, and Y. Wang, “Accurate calibration method for a structured light system,” Opt. Eng. 47, 053604 (2008).

R. Legarda-sáenz, T. Bothe, and W. P. Jüptner, “Accurate procedure for the calibration of a structured light system,” Opt. Eng. 43, 464–471 (2004).

W. Gao, L. Wang, and Z. Hu, “Flexible method for structured light system calibration,” Opt. Eng. 47, 083602 (2008).

Q. Hu, P. S. Huang, Q. Fu, and F.-P. Chiang, “Calibration of a three-dimensional shape measurement system,” Opt. Eng. 42, 487–493 (2003).

I. leandry, C. Brequei, and V. Valle, “Calibration of a structured-light projection system: development to large dimension objects,” Opt. Laser Technol. 50, 373–378 (2012).

S. S. Gorthi and P. Rastogi, “Fringe projection techniques: whither we are?” Opt. Lasers Eng. 48, 133–140 (2010).

R. Yang, S. Cheng, and Y. Chen, “Flexible and accurate implementation of a binocular structured light system,” Opt. Lasers Eng. 46, 373–379 (2008).

C. Zuo, L. Huang, M. Zhang, Q. Chen, and A. Asundi, “Temporal phase unwrapping algorithms for fringe projection profilometry: A comparative review,” Opt. Lasers Eng. 85, 84–103 (2016).

H. Guo, M. Chen, and P. Zheng, “Least-squares fitting of carrier phase distribution by using a rational function in fringe projection profilometry [corrected],” Opt. Lett. 31(24), 3588–3590 (2006).

[PubMed]

B. Pan, Q. Kemao, L. Huang, and A. Asundi, “Phase error analysis and compensation for nonsinusoidal waveforms in phase-shifting digital fringe projection profilometry,” Opt. Lett. 34(4), 416–418 (2009).

[PubMed]

T. Hoang, B. Pan, D. Nguyen, and Z. Wang, “Generic gamma correction for accuracy enhancement in fringe-projection profilometry,” Opt. Lett. 35(12), 1992–1994 (2010).

[PubMed]

H. Guo and M. Chen, “Fourier analysis of the sampling characteristics of the phase-shifting algorithm,” Proc. SPIE 5180, 437–444 (2003).

J. Guehring, “Dense 3D surface acquisition by structured light using off-the-shelf components,” Proc. SPIE 4309, 220–231 (2000).

Z. Wang, D. Nguyen, and J. Barnes, “Recent advances in 3D shape measurement and imaging using fringe projection technique,” in Proceedings of the SEM Annual Congress and Exposition on Experimental and Applied Mechanics 2009 (Society for Experimental Mechanics, 2009), pp. 2644–2653.

R. Y. Tsai, “An efficient and accurate camera calibration technique for 3D machine vision,” in Proceedings of IEEE Conference on Computer Vision and Pattern Recognition (IEEE, 1986), pp. 364–374.

https://en.wikipedia.org/wiki/Cross-ratio .