利用Anaconda创建了很多需要的环境,有些环境需要opencv的支持,不过直接使用conda安装opencv的话,可能会遇到不能使用的尴尬情况~这是因为conda安装的opencv是阉割版的,功能比较少。甚至连imshow都不能用。会出现下面错误:
(pytorch) ubuntu@mcj:~/mcj/yolo/pytorch-yolo-v3$ python video_demo.py --video 0101.avi Loading network..... Network successfully loaded /home/ubuntu/anaconda3/envs/pytorch/lib/python3.6/site-packages/torch/nn/modules/upsampling.py:129: UserWarning: nn.Upsample is deprecated. Use nn.functional.interpolate instead. warnings.warn("nn.{} is deprecated. Use nn.functional.interpolate instead.".format(self.name)) Traceback (most recent call last): File "video_demo.py", line 172, in <module> cv2.imshow("frame", orig_im) cv2.error: OpenCV(3.4.2) /tmp/build/80754af9/opencv-suite_1535558553474/work/modules/highgui/src/window.cpp:632: error: (-2:Unspecified error) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Carbon support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script in function 'cvShowImage'
解决方法:
首先卸载利用conda安装的opencv
conda remove opencv
然后更新一下conda
conda update conda
可能当前环境没有安装conda,那就安装一下
conda install conda
然后把基础的conda也更新一下
conda update -n base conda
重新安装opencv
方法1:
conda install --channel menpo opencv
方法2(opencv3.1):
conda install -c menpo opencv3
方法3(推荐):
pip install opencv-python
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