Influence of the Maximum Blur Radius on Depth Sensor Based on Liquid Crystal Lens

Liming ZHENG; Xiaoxi CHEN; Yalei ZHANG; Mao YE

doi:10.1007/s13320-021-0621-x

[1] S. Foix, G. Alenya, and C. Torras, “Lock-in time-of-flight (ToF) cameras: a survey,” IEEE Sensors Journal, 2011, 11(9): 1917–1926.

[2] E. Horn and N. Kiryati, “Toward optimal structured light patterns,” Image and Vision Computing, 1999, 17(2): 87–97.

[3] J. Ens and P. Lawrence, “A matrix based method for determining depth from focus,” IEEE Proceedings, 1991, 1: 600–606.

[4] J. Ens and P. Lawrence, “An investigation of method for determining depth from focus,” IEEE Transactions on Pattern Analysis and Machine Intelligence, 1993, 15(2): 97–108.

[5] M. Moeller, M. Benning, C. Schoenlieb, and D. Cremers, “Variational depth from focus reconstruction,” IEEE Transactions on Image Processing, 2015, 24(12): 5369–5378.

[6] M. Watanabe and S. K. Nayar, “Rational filters for passive depth from defocus,” International Journal of Computer Vision, 1998, 27(3): 203–225.

[7] M. Subbarao and G. Surya, “Depth from defocus: a spatial domain approach,” International Journal of Computer Vision, 1994, 13(3): 271–294.

[8] I. Blayvas, R. Kimmel, and E. Rivlin, “Role of optics in the accuracy of depth-from-defocus systems,” Journal of the Optical Society of America A, 2007, 24(4): 967–972.

[9] S. Sato, “Liquid-crystal lens-cells with variable focal length,” Japanese Journal of Applied Physics, 1979, 18(9): 1679.

[10] B. Wang, M. Ye, and S. Sato, “Liquid crystal lens with focal length variable from negative to positive values,” IEEE Photonics Technology Letters, 2005, 18(1): 79–81.

[11] M. Ye, B. Wang, and S. Sato, “Liquid-crystal lens with a focal length that is variable in a wide range,” Applied Optics, 2004, 43(35): 6407–6412.

[12] M. Ye, B. Wang, M. Uchida, S. Yanase, S. Takahashi, and S. Sato, “Focus tuning by liquid crystal lens in imaging system,” Applied Optics, 2012, 51(31): 7631–7634.

[13] Y. H. Lin, M. S. Chen, and H. C. Lin, “An electrically tunable optical zoom system using two composite liquid crystal lenses with a large zoom ratio,” Optical Express, 2011, 19(5): 4714–4721.

[14] M. Ye, B. Wang, M. Uchida, S. Yanase, S. Takahashi, M. Yamaguchi, et al., “Low-voltage-driving liquid crystal lens,” The Japan Society of Applied Physics, 2010, 49(100204): 1–4.

[15] H. C. Lin and Y. H. Lin, “A fast response and large electrically tunable-focusing imaging system based on switching of two modes of a liquid crystal lens,” Applied Physics Letters, 2010, 97(6): 063505

[16] M. Ye, X. X. Chen, Q. C. Li, J. Zeng, and S. D. Yu, “Depth from defocus measurement method based on liquid crystal lens,” Optics Express, 2018, 26(22): 28413–28420.

[17] X. Chen, Y. Bai, C. Chao, and M. Ye, “Driving liquid crystal lens to extend focus range,” Japanese Journal of Applied Physics, 2018, 57(7): 072601.