opencv 學習第4課 將鼠標作爲筆刷使用

 注意，要使用筆刷的話，需首先按下 m 鍵將默認模式轉變 import numpy as np import cv2 as cv drawing = False # true if mouse is pressed mode = True # if True,draw rectangle. Press 'm' to toggle to curve ix,iy = -1,-1 #mouse

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