opencv绘图基础(2):cv2.line,cv2.rectangle,cv2.circle,cv2.ellipse,cv2.polylines,cv2.putText
目录1.绘制线段:cv2.line(img,pt1,pt2,color,thickness=None,lineType=None,shift=None)2.绘制矩形:cv2.rectangle(img,pt1,pt2,color,thickness=None,lineType=None,shift=None)3.圆绘制:cv2.circle(img,center,radius,color,thic