[1] Shi Wenzhong, Zhu Changqing, Wang Yu. Road feature extraction from remotely sensed image: review and prospects [J]. Acta Geodaetica Et Cartographic Sinica, 2001, 30(3): 257-262(in Chinese). 
史文中, 朱长青, 王昱. 从遥感影像提取道路特征的方法综述与展望 [J]. 测绘学报, 2001, 30(3): 257-262. 
[2] Kass M, Witkin A, Terzopoulos D. Snakes: active contour models [J]. International Journal of Computer Vision, 1988, 1(4): 321-331. 
[3] Gruen A, Li H H. Semi-automatic linear feature extraction by dynamic programming and LSB-Snakes [J]. Photogrammetric Engineering and Remote Sensing, 1997, 63(8): 985-995. 
[4] Tang Liang. Studies on Extraction Techniques of Primary Objects from Urban Aerial Images [D]. Xi’an: Doctorial Dissertation of University of Xi’dian University, 2004(in Chinese). 
唐亮. 城市航空影像关键地物提取技术研究 [D]. 西安: 西安电子科技大学博士论文, 2004. 
[5] Zhou Shaoguang, Xin Li, Tian Linya. Detecting line segments by using the structural features of them in digital image [J]. Computer Engineering and Applications, 2004，40(22): 71-74(in Chinese). 
周绍光, 辛莉, 田林亚. 利用数字影像中直线的结构特征检测直线段 [J]. 计算机工程与应用, 2004, 40(22): 71-74. 
[6] Zhou Shaoguang, Shi Hailiang. New method for extracting straight line and linear band in remote sensing image [J]. Chinese Journal of Scientific Instrument, 2007, 28(3): 519-523(in Chinese). 
周绍光, 施海亮. 遥感影像中直线和直线条带特征提取的新算法 [J]. 仪器仪表学报, 2007, 28(3): 519-523. 
[7] Velasco F A, Marroquin J L. Growing snakes: active contours for complex topologies [J]. Pattern Recognition, 2003, 36(2): 475-482. 
[8] Williams D J, Shah M. A fast algorithm for active contours and curvature estimation [J]. CVGIP: Image Understanding, 1992, 55(1): 14-26.