基于轮廓坐标系转换拟合的柚子果形检测分级方法

李燕, 沈杰, 谢航, 高广垠, 刘建雄, 刘洁

Detection and Grading Method of Pomelo Shape Based on Contour Coordinate Transformation and Fitting

Yan LI, Jie SHEN, Hang XIE, Guangyin GAO, Jianxiong LIU, Jie LIU

表2 不同多项式最高次数对样本轮廓曲线的拟合结果

Table 2 Fitting results of the highest degree of different polynomials to the sample contour curve

多项式拟合 R RMSE 拟合时间/s k=15 0.9714 0.0198 0.000084 k=16 0.9713 0.0198 0.000092 k=17 0.9736 0.0190 0.000103 k=18 0.9736 0.0190 0.000153