RobotKernal-UESTC/Docs/Linux开发板遇到问题和解决方案/摄像头打开异常问题.md

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## `摄像头打开异常问题`
部分情况下,`OpenCV`在打开摄像头的时候会出现`v412`的错误,错误内容类似如下:
![](./Image/V412-Error.png)
解决方案:
```c++
/* 在OpenCV中加入以下特性*/
cv::VideoCapture cap(0, cv::CAP_V4L2);
```