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