Ubuntu 16.04 LTS OpenCV C / C++ and Python interface (接口)
- Install OpenCV from the Ubuntu Repository (apt) - Python 调用接口
Python3
sudo apt update
sudo apt install python3-opencv
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Python2
sudo apt update
sudo apt install python-opencv
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OpenCV version
python3 -c “import cv2; print(cv2.version)”
python2 -c “import cv2; print(cv2.version)”
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Uninstall OpenCV
sudo apt remove python3-opencv -y
sudo apt remove python-opencv -y
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2. Install OpenCV from the Ubuntu Repository (pip) - Python 调用接口
Python3
sudo apt update
sudo pip3 install opencv-python
sudo pip3 install opencv-contrib-python
sudo pip3 install opencv-python4.2.0.32
sudo pip3 install opencv-contrib-python4.2.0.32
sudo pip3 install -i https://pypi.douban.com/simple opencv-python3.4.1.15
sudo pip3 install -i https://pypi.douban.com/simple opencv-contrib-python3.4.1.15
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Python2
sudo apt update
sudo pip2 install opencv-python
sudo pip2 install opencv-contrib-python
sudo pip2 install opencv-python4.2.0.32
sudo pip2 install opencv-contrib-python4.2.0.32
sudo pip2 install -i https://pypi.douban.com/simple opencv-python3.4.1.15
sudo pip2 install -i https://pypi.douban.com/simple opencv-contrib-python3.4.1.15
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OpenCV version
python3 -c “import cv2; print(cv2.version)”
python2 -c “import cv2; print(cv2.version)”
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Uninstall OpenCV
sudo pip3 uninstall opencv-python
sudo pip3 uninstall opencv-contrib-python
sudo pip2 uninstall opencv-python
sudo pip2 uninstall opencv-contrib-python
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3. Install OpenCV from the Ubuntu Repository (pip) - C / C++ 调用接口 (OpenCV 2.4.9.1)
Install OpenCV
sudo apt-get update
sudo apt-get install libopencv-dev -y
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Uninstall OpenCV
sudo apt-get autoremove libopencv-dev
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OpenCV version
pkg-config --modversion opencv
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4. Install OpenCV 4 from the official site - C / C++ 调用接口 (OpenCV 4.2.0)
Install OpenCV
https://blog.csdn.net/chengyq116/article/details/104297224
bash install-opencv.sh
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OpenCV version
pkg-config --modversion opencv4
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Uninstall OpenCV
进入 …/OpenCV/build/ 目录，执行 sudo make uninstall。
