Unverified90% confidenceFactTime unknown
cv2.waitKey()实际上驱动着OpenCV的GUI事件循环，处理窗口重绘、鼠标事件、键盘事件等系统消息
1
Sources
90%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Python OpenCV入门教程：图片读取与显示完整指南
bilibili尚学堂官方学习课堂
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