[1] CHAHL J S, SRINIVASAN M V. Reflective surfaces for panoramic imaging[J]. Applied Optics, 36, 8275-8285(1997).

[2] ZHOU X D, BAI J, WANG C et al. Comparison of two panoramic front unit arrangements in design of a super wide angle panoramic annular lens[J]. Applied Optics, 55, 3219-3225(2016).

[3] BAI Jian, NIU Shuang, YANG Guoguang et al. Panoramic optical annular staring imaging technology[J]. Infrared and Laser Engineering, 35, 331-335(2006).

[4] CHEN L, YUAN Q, YE J F et al. Design of a compact dual-view endoscope based on a hybrid lens with annularly stitched aspheres[J]. Optics Communications, 453, 124346(2019).

[5] WANG Min. Research on real-time panoramic remote sensing imaging and image processing technology for UAV[D](2019).

[6] ZHAO L F, FENG H J, BAI J et al. Panoramic optical annular staring inspection system for evaluating the inner surface of a pipe[C](2008).

[7] PETER O. Optic design of head-up displays with freeform surfaces specified by NURBS[C](2008).

[8] ZHU Hao, CUI Qingfeng, PIAO Mingxu et al. Design of circular unobscured three-mirror optical systems[J]. Acta Photonica Sinica, 43, 167-172(2014).

[9] CAKMAKCI O, VO S, FOROOSH H et al. Application of radial basis functions to shape description in a dual-element off-axis magnifier[J]. Optics Letters, 33, 1089-1098(2008).

[10] MA B, SHARMA K, THOMPSON K P et al. Mobile device camera design with Q-type polynomials to achieve higher production yield[J]. Optics Express, 21, 17454-17463(2013).

[11] NAVARRO R, PASCAL S, GRAY M et al. New modelling of freeform surfaces for optical design of astronomical instruments[C], 8450, 845053(2012).

[12] ZHOU Xiangdong, BAI Jian. Small distortion panoramic annular lens design with Q-type aspheres[J]. Acta Optica Sinica, 35, 299-305(2015).

[13] ZHENG Wei, LIN Feng. Application of Q-type asphere in the design of super short-focus panoramic lens[J]. Acta Photonica Sinica, 41, 1317-1320(2012).

[14] FORBES G W. Shape specification for axially symmetric optical surfaces[J]. Optics Express, 15, 5218-5226(2007).

[15] FORBES G W, BROPHY C P. Asphere, oasphere, how shall we describe thee？[J]. SPIE, 7100, 710002(2008).

[16] FORBES G W. Robust, efficient computational methods for axially symmetric optical aspheres[J]. Optics Express, 18, 19700-19712(2010).