擅长:python、mysql、java
<p>在函数cv2中传递另一个整数值。VideoCapture(int)而不是0选择另一个连接的摄像机。示例cv2.VideoCapture(1)</p>
<pre><code>import numpy as np
import cv2
capture = cv2.VideoCapture(1)
while (True):
frame = capture.read()
cv2.imshow('camera',frame)
if cv2.waitKey(1) & 0xFF == odd('q'):
break
capture.release()
cv2.destroyAllWindows()
</code></pre>