Opencv cap is open
2023年1月3日—WhilewritingcodeinPythonusingOpenCV,wemaynotbesurewhetherattheremoteendcameraisopenedandworkingproperlyornot.Thecamera ...,2014年2月15日—read()returnsabool(True/False).Ifframeisreadcorrectly,itwillbeTrue.Sometimes,capmaynothaveinitia...
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importcv2cap=cv2.VideoCapture(0)ifnotcap.isOpened():print(Cannotopencamera)exit()whileTrue:ret,frame=cap.read()#讀取影片的每一幀ifnot ...
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