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import cv2.cv as cv import time if __name__ == '__main__': cv.NamedWindow("camera",1) # capture = cv.CaptureFromCAM(0) #开启摄像头 capture = cv.CaptureFromFile("Video.avi") #打开一

1. Welcome2. Dedication3. Preface4. Introduction5. Installation6. First Steps7. Basics8. Operators and Expressions9. Control Flow10. Functions11. Modules12. Data Structures13. Problem Solving14. Objec