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
图8 不同坐标系中的类梨形柚子样本轮廓
Fig. 8 The edges of a pear-like sample in cartesian coordinate and polar coordinate systems