[1] DENG Yufen, SHEN Ming, RUAN Rui, et al. Research on Seacoast Tide Gauge Based on Image Recognition Technology [J]. Modern Electronics Technique, 2010(13): 120-122.
[3] HUANG Pingping, WANG Jianhua, CHEN Changfeng. Experimental Studies of Several Reflection Detection Methods [J]. Microcomputer Information, 2011(9): 199-200.
[4] ZHANG Chaoliang, JIANG Hanhong, ZHANG Bo, et al. Tidal Level Measurement in Ruler Image Based on Hough Transform and Harris Detection [J]. Computer Science, 2011, 38(3): 283-285.
[5] CAI Huaiyu, FANG Lei, HUANG Zhanhua, et al. Study on an Automatic Interpretation Algorithm for the Scale Based on the Spectrum Filtering and Fitting [J]. Chinese Journal of Scientific Instrument, 2008, 29(4): 205-208.
[7] REN Mingwu, YANG Wankou, WANG Huan, et al. New Algorithm of Automatic Water level Measurement based on Image Processing [J]. Computer Engineering and Applications, 2007, 43(22): 204-206.
[8] DUAN Ruiling, LI Qingxiang, LI Yuhe. Summary of image edge detection [J]. Optical Technique, 2005, 31(3): 415-419.
[9] OTSU N. A threshold selection method from gray level histograms [J]. IEEE Trans on SMC(S1083-4419), 1979, 9(1): 62-69.
[10] WANG Shuwen, YAN Chengxin, ZHANG Tianxu, et al. Application of Mathematical Morphology in Image Processing [J]. Computer Engineering and Applications, 2004, 40(32): 89-92.
