调用视频抓取的时候,有时会出现 HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP 方法 1. 安装 依赖库 (有人说只需要libv4l-dev ,没有试过) sudo apt-get install libv4l-dev sudo apt-get install v4l2ucp sudo apt-get install v4l-utils 2. 重新编译OPENCV cd build cmake .. make sudo make install _...
HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP OpenCV Error: Assertion failed (size.width>0&& size.height>0)inimshow, file /home/pi/Documents/opencv-2.4.13/modules/highgui/src/window.cpp, line261terminate called after throwing an instance of'cv::Exception'what():/home/pi/Documents/opencv-2.4.13/...