Frame cap read
Thisisthemostconvenientmethodforreadingvideofilesorcapturingdatafromdecodeandreturnsthejustgrabbedframe.Ifnoframeshasbeengrabbed( ...,...frame=cap.read()cv2.imshow('frame',frame)ifcv2.waitKey(1)&0xFF==ord('q'):breakcap.release()cv2.destroyAllWind...
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...frame=cap.read()ifnotret:print(Cannotreceiveframe)breakgray=cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)#轉換成灰階#gray=cv2.cvtColor(frame ...
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