擅长:python、mysql、java
<p>我抓取图像后出现了分割错误。结果我在<code>cap.release()</code>之前使用了<code>cv2.destroyAllWindows()</code>。下面是工作代码。</p>
<pre><code>cap = cv2.VideoCapture(0)
while(True):
ret, frame = cap.read()
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
cv2.imshow('frame',gray)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
#do some ops
cap.release()
cv2.imshow("output", output)
cv2.waitKey(0)
cv2.destroyAllWindows()
</code></pre>
<p>这个密码对船长有效。</p>