A.cv2.erode()B.cv2.dilate()C.cv2.morphologyEx(cv2.MORPH_CLOSE)D.cv2.morphologyEx(cv2.MORPH_GRADIENT)
A.旋轉(zhuǎn)中心B.旋轉(zhuǎn)角度C.縮放比例D.輸出圖像的大小