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9 步长取10、20和30的轮廓描述
Fig. 9 Contours description based on step lengths at 10,20 and 30