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python读取摄像头的视频并播放

独兜曲 2022-03-22 阅读 83
opencv
import numpy as np
import cv2

#read camera
cap = cv2.VideoCapture(0)
 
while(True):
    # Capture frame-by-frame
    ret, frame = cap.read()
 
    # Our operations on the frame come here
    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
 
    # Display the resulting frame
    cv2.imshow('frame',gray)
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break
 
# When everything done, release the capture
cap.release()
cv2.destroyAllWindows()
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