[1] Ma Xianglu, Feng Ying, Cao Yu. Concave hyperboloidal catadioptric omnidirectional imaging system[J]. Infrared and Laser Engineering, 2013, 42(8): 2132-2136.
[2] Ying Xianghua. A study on omnidirectional camera calibration[D]. Beijing: Institute of Automation, Chinese Academy of Sciences, 2004: 85-92.
[3] Hong P, Lei B, Ren T T, et al. A fast sea-level line extraction and object detection method for infrared sea image[C]. SPIE, 2014, 9300: 930007.
[4] Dong Y F, Zhang Y F, Zhu C. Extracting sea-sky-line based on improved local complexity[C]. 2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering (CMCE), 2010, 6: 82-85.
[5] Li Qingzhong, Zang Fengni, Zhang Yang. Ship target detection for moving video maritime surveillance[J]. Chinese J Lasers, 2014, 41(8): 0814001.
[6] Lei B, Ren T T, Liu Y B, et al. Sea-level line extraction based on piecewise line detection[C]. SPIE, 2014, 9301: 93013L.
[7] Su Li, Zhou Na, Xu Congying, et al. On the small ship target detection based on panoramic vision[C]. 32nd Chinese Control Conference, 2013: 3575-3579.
[8] Su Li, Yin Yisong, Liu Zhilin. Small surface targets detection based on omnidirectional sea-sky-line extraction[C]. 33rd Chinese Control Conference, 2014: 4732-4736.
[9] Yang Linna, An Wei, Lin Zaiping, et al. Small target detection based on visual saliency improved by spatial distance[J]. Acta Optica Sinica, 2015, 35(7): 0715004.
[10] Achanta R, Estrada F, Wils P, et al. Salient region detection and segmentation[C]. International Conference on Computer Vision Systems, 2008, 5008: 66-75.
[12] Kass M, Witkin A, Terzopoulos D. Snakes: active contour models[J]. International Journal of Computer Vision, 1988, 1(4): 321-331.
[14] Donna J W, Mubarak S. A fast algorithm for active contours and curvature estimation[J]. CVGIP: Image Understanding, 1992, 55(1): 14-26.