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1 玉米种子芽长、根长及鲜重与其物理指标间相关性分析

Table 1 Correlation analysis between bud length, root length and fresh weight of maize seeds and their physical indicators

物理指标 Physical indicator 极小值 Minimal value 极大值 Maximum value 芽长 Bud length 根长 Root length 鲜重 Fresh weight 变异系数 Coefficient of variation R 148.8 189.6 0.624** 0.599** 0.624** 0.06 G 132.7 199.1 -0.037 -0.085 -0.055 0.11 B 138.5 179.0 -0.140 -0.171 -0.134 0.06 L 57.2 76.7 0.081 0.030 0.064 0.08 A -18.1 16.9 0.312* 0.347* 0.331* 1.08 B2 -8.6 20.6 0.233 0.203 0.209 -29.42 H 63.6 351.5 0.147 0.135 0.142 0.35 S 6.3 24.0 0.632** 0.607** 0.608** 0.29 B3 59.2 78.1 0.418** 0.369** 0.401** 0.07 灰度Gray scale 138.8 183.4 0.105 0.055 0.090 0.07 宽度Width (mm) 7.2 9.6 0.118 0.058 0.104 0.08 长度Length (mm) 9.0 11.7 0.011 -0.052 -0.008 0.07 投影面积Projection area (px) 4892.6 7504.0 0.095 0.028 0.077 0.13