[1] [1] Dowski E R, Cathey W T. Extended depth of field through wave-front coding[J]. Appl Opt, 1995, 34(11): 1859-1866.

[2] [2] Sherif S S, Cathey W T, Dowski E R. Phase plate to extend the depth of field of incoherent hybrid imaging systems[J]. Appl Opt, 2004, 43(13): 2709-2721.

[3] [3] Zhao H, Li Q. Improved logarithmic phase mask to extend the depth of field of an incoherent imaging system[J]. Opt Lett, 2008, 33(11): 1171-1173.

[4] [4] Yang Qingguo, Liu Liren, Sun Jianfeng. Optimized phase pupil masks for extended depth of field[J]. Opt Commu, 2007, 272: 56-66.

[5] [5] Angel Sauceda, Jorge Ojeda-Castaneda. High focal depth with fractional-power wave fronts[J]. Opt Lett, 2004, 29(6): 560-562.

[6] [6] Caron Nicolas, Sheng Yunlong. Polynomial phase masks for extending the depth of field of a microscope[J]. Appl Opt, 2008, 47(22): E39-E43.

[7] [7] Hsin-Yueh Sung, Sidney S Yang, Horng Chang. Design of mobile phone lens with extended depth of field based on point-spread function focus invariance[C]//SPIE, 2008, 7061: 706107.

[8] [8] Andrews H C, Hunt B R. Digital Image Restoration[M]. Beijing: Prentice-Hall, Englewood Cliffs, NJ, 1997.

[9] [9] Rafael C Gonzalez, Richard E Wood. Digital Image Processing[M]. 2nd ed. Beijing: Publishing House of Electronics Industry, 2003: 207-210.

[10] [10] Prasad S, Torgersen T C. Engineering the pupil phase to improve image quality[C]//SPIE, 2003, 5108: 1-12.

[11] [11] Prasad S, Torgersen T C, Pauca V P, et al. High-resolution imaging using integrated optical systems[J]. Wiley Periodicals, 2004, 14: 67-74.

[12] [12] Zhang Wenzi, Chen Yanping, Zhao Tingyu, et al. Simple Strehl ratio based method for pupil phase mask′s optimization in wavefront coding system[J]. Chin Opt Lett, 2006, 4(9): 515-517.

[13] [13] Liu Qinxiao, Zhao Tingyu, Chen Yanping, et al. Pupil design based on Fisher information optimization to extend the depth of field in practical optical system[J]. Chin Opt Lett, 2010, 8(2): 159-161.

[14] [14] Liu Qinxiao. Theory research and application of the decoding algorithms based on wave-front coding imaging system[D]. Hangzhou: Zhejiang University, 2010. (in Chinese)

[15] [15] Zhao Yingyu. Theory analysis, design and realization of imaging system with deep-field depth and large-viewing angle based on wave-front coding[D]. Hangzhou: Zhejiang University, 2009. (in Chinese)

[16] [16] Zhang Xin. Research on the image restoration in wave-front coding technology[D]. Changchun: Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 2010. (in Chinese)

[17] [17] Xu Zhigao. Research on the imaging property of wave-front coding optical system and its application in cell phone lens[D]. Harbin: Harbin Engineering University, 2012. (in Chinese)

[18] [18] Wang Jinyu. Study on the wave-front coding technique and its application in measuring crack width[D]. Tianjin: Tianjin University, 2008. (in Chinese)

[19] [19] Wang Shuai. Design of microscope objective with deep depth of field based on the wave-front coding theory[D]. Harbin: Harbin Engineering University, 2012. (in Chinese)

[20] [20] Lv Tianyu. Athermalization of infrared optical system based on wave-front coding[D]. Harbin: Harbin Engineering University, 2010. (in Chinese)

[21] [21] Eric J Tremblay, Joel Rutkowski, Inga Tamayo, et al. Relaxing the alignment and fabrication tolerances of thin annular folded imaging systems using wavefront coding[J]Appl Opt, 2007, 46(27): 6751-6758.

[22] [22] Deokhw Hong, Kangmin Park, Hyungsuck Cho, et al. Flexible depth-of-field imaging system using a spatial light modulator[J]. Appl Opt, 2007, 46(36): 8591-8599.

[23] [23] S Lee, N Park, Y Park. Breaking diffraction limit of a small f-number compact camera using wavefront coding[J]. Opt Express, 2008, 16: 13569-13578.

[24] [24] Zhang Xiaoling, Shen Lansun. A survey of super resolution imaging reconstruction[J]. Measurement & Control Technology, 2005, 24(5): 1-5. (in Chinese)

[25] [25] Zhuo Li, Wang Suyu, Li Xiaoguang. Image/Video Super Resolution[M]. Beijing: Posts & Telecom Press, 2011: 81-94. (in Chinese)

[26] [26] S C Park, M K Park, Moon Gi Kang. Super-resolution image reconstruction: a technical review[J]. IEEE Signal Processing Magazine, 2003, (5): 21-36.

[27] [27] Zhang X L, Lam K M, Shen L S. Image magnification based on adaptive MRF model parameter estimation[C]// Proceedings of International Symposium on Intelligent Signal Processing and Communication Systems, 2005: 653-656.

[28] [28] S Borman, R Stevenson. Spatial resolution enhancement of low-resolution image sequences: a comprehensive review with directions for future research[R]. Lab of Image and Signal Analysis, University of Notre Dame, 1998.