A.cap =cv2.VideoCapture(’video.mp4’)B.ret,frame =cap.read()C.cv2.VideoWriter(’output.avi’,cv2.VideoWriter_fourcc(*’XVID’),20.0,(640,480))D.cv2.imread(’video.mp4’)
A.cv2.Canny(img,50,150)B.cv2.Sobel(img,cv2.CV_64F,1,0,ksize=3)C.cv2.Laplacian(img,cv2.CV_64F)D.cv2.cornerHarris(img,2,3,0.04)
A.cv2.resize(img,(200,200))B.cv2.resize(img,None,fx=0.5,fy=0.5)C.cv2.pyrUp(img)D.cv2.pyrDown(img)