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单项选择题
A.cv2.Sobel()
B.cv2.Laplacian()
C.cv2.Canny()
D.cv2.GaussianBlur()
单项选择题
A.cv2.FASTFeatureDetector_create()
B.cv2.TM_SQDIFF
C.cv2.TM_CCOEFF
D.cv2.TM_CCORR_NORMED
单项选择题
A.cv2.MORPH_OPEN
B.cv2.MORPH_CLOSE
C.cv2.MORPH_GRADIENT
D.cv2.MORPH_TOPHAT