基于机器视觉技术的玉米种子精选方法研究

韩小伟, 周江明, 高英波, 田雪慧, 李明军, 郝延杰, 李伟, 李树兵, 刘树泽

Research on Refined Selection Method for Maize Seeds Based on Machine Vision Technology

Han Xiaowei, Zhou Jiangming, Gao Yingbo, Tian Xuehui, Li Mingjun, Hao Yanjie, Li Wei, Li Shubing, Liu Shuze

表2 玉米种子R、A、S、B3指标筛选

Table 2 Maize seed screening by R, A, S and B3 indicators

精选指标 Selection indicator 区间 Interval 总数 Total 发芽数 Number of germination 未发芽数 Number of ungerminated 发芽率 Germination rate (%) 获选率 Selection rate (%) 平均鲜重 Average fresh weight (g) 简易活力指数 Simple vitality index 原始对照Original control － 200 132 68 66.0 1.0 0.269 0.178 R 140≤R<150 9 5 4 55.6 3.8 0.025 0.014 150≤R<160 27 16 11 59.3 12.1 0.058 0.034 160≤R<170 60 36 24 60.0 27.3 0.132 0.079 170≤R<180 56 38 18 67.9 28.8 0.342 0.232 180≤R≤190 48 37 11 77.1 28.0 0.520 0.400 170≤R≤190 (s) 104 75 29 72.1 56.8 0.424 0.306 A A<0 13 8 5 61.5 6.1 0.143 0.088 0≤A<5 22 8 14 36.4 6.1 0.016 0.006 5≤A<10 51 32 19 62.7 24.2 0.032 0.020 10≤A<15 65 43 22 66.2 32.6 0.357 0.236 15≤A≤20 49 41 8 83.7 31.1 0.546 0.457 10≤A≤20 (s) 114 84 30 73.7 63.6 0.438 0.323 S 4≤S<8 13 7 6 53.8 5.3 0.024 0.013 8≤S<12 44 22 22 50.0 16.7 0.036 0.018 12≤S<16 51 34 17 66.7 25.8 0.176 0.117 16≤S<20 65 46 19 70.8 34.8 0.436 0.309 20≤S≤24 27 23 4 85.2 17.4 0.540 0.460 16≤S≤24 (s) 92 69 23 75.0 52.3 0.467 0.350 B3 59≤B3<63 24 15 9 62.5 11.4 0.031 0.019 63≤B3<67 36 21 15 58.3 15.9 0.032 0.019 67≤B3<71 49 29 20 59.2 22.0 0.306 0.181 71≤B3<75 42 30 12 71.4 22.7 0.364 0.260 75≤B3≤79 49 37 12 75.5 28.0 0.441 0.333 71≤B3≤79 (s) 91 67 24 73.6 50.8 0.405 0.299