ubuntu 16.04 配置Python2.7 和 Python3.5 同时调用OpenCV

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安装OpenCV

OpenCV 官网，下载见 SourceForge and GitHub。

若使用官网版本安装不成功，则可试试Github版本。
或者

git clone https://github.com/Itseez/opencv.git

安装依赖库

sudo apt-get -y install libopencv-devsudo apt-get -y install build-essentialsudo apt-get -y install checkinstallsudo apt-get -y install cmakesudo apt-get -y install pkg-configsudo apt-get -y install yasmsudo apt-get -y install libtiff5-devsudo apt-get -y install libjpeg-devsudo apt-get -y install libjasper-devsudo apt-get -y install libavcodec-devsudo apt-get -y install libavformat-devsudo apt-get -y install libswscale-devsudo apt-get -y install libdc1394-22-devsudo apt-get -y install libxine2-devsudo apt-get -y install libgstreamer0.10-devsudo apt-get -y install libgstreamer-plugins-base0.10-devsudo apt-get -y install libv4l-devsudo apt-get -y install python-devsudo apt-get -y install python-numpysudo apt-get -y install libtbb-devsudo apt-get -y install libqt4-devsudo apt-get -y install libgtk2.0-devsudo apt-get -y install libfaac-devsudo apt-get -y install libmp3lame-devsudo apt-get -y install libopencore-amrnb-devsudo apt-get -y install libopencore-amrwb-devsudo apt-get -y install libtheora-devsudo apt-get -y install libvorbis-devsudo apt-get -y install libxvidcore-devsudo apt-get -y install x264sudo apt-get -y install v4l-utilssudo apt-get -y install ffmpegsudo apt-get -y install unzip

OpenCV下载

wget https://codeload.github.com/opencv/opencv/zip/3.2.0unzip 3.2.0 && cd opencv-3.2.0mkdir buildcd build

或者 推荐下面的下载方法。

git clone https://github.com/Itseez/opencv.gitcd opencv

编译安装

cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON -D WITH_QT=ON -D WITH_OPENGL=ON ..make -j4sudo make install

或者

~/build$ cmake ~/opencv -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON -D WITH_QT=ON -D WITH_OPENGL=ON ../opencv

测试

pythonimport cv2

配置Python3.5 调用OpenCV

以上OpenCV的python解释器版本是2.7, Python3.5想调用OpenCV，如何配置呢

安装依赖库

sudo apt-get updatesudo apt-get install build-essential cmake pkg-configsudo apt-get install libjpeg8-dev libtiff5-dev libjasper-dev libpng12-devsudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-devsudo apt-get install libxvidcore-dev libx264-devsudo apt-get install libgtk-3-devsudo apt-get install libatlas-base-dev gfortransudo apt-get install python3-setuptools python3-dev sudo easy_install3 pippip3 install numpysudo apt-get install cmake git libgtk2.0-dev

特别注意

sudo apt install python3-dev libpython3.5-dev python3-numpy

1. 进入opencv-3.2.0/build/路径下，执行ccmake

sudo ccmake .

2. 添加python3路径
向下翻页，找到python3，手动添加自己的python3路径
这里写图片描述

具体添加细节如下

CMAKE_BUILD_TYPE=Release CMAKE_INSTALL_PREFIX=/usr/local  PYTHON3_EXECUTABLE=/usr/bin/python3 PYTHON3_INCLUDE_DIR=/usr/include/python3.5 PYTHON3_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython3.5m.soPYTHON3_NUMPY_INCLUDE_DIRS=/usr/local/lib/python3.5/dist-packages/numpy/core/include

命令行配置方法

cmake -D CMAKE_BUILD_TYPE=RELEASE \ -D CMAKE_INSTALL_PREFIX=/usr/local \ -D PYTHON3_EXECUTABLE=/usr/bin/python3 \ -D PYTHON3_INCLUDE_DIR=/usr/include/python3.5 \ -D PYTHON3_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython3.5m.so \ -D PYTHON3_NUMPY_INCLUDE_DIRS=/usr/local/lib/python3.5/dist-packages/numpy/core/include ..

3. 生成make文件

按c键配置。如果有错，例如找不到xx库，自行调整对应选项或者安装对应库。配置成功后，按g键生成makefile。

4. make一下

make一下。多核处理器优势很大，几分钟就make好了。

sudo make -j12  # 根据你自己电脑核心数sudo make install

5. 验证

python3import cv2

6.查询OpenCV版本

pkg-config --modversion opencv

或者

pythonimport cv2cv2.__version__

参考文献

ImportError: No module named ‘cv2’ in Ubuntu 16.04 for Python3 in OpenCV3

Install OpenCV 3.0 and Python 3.4+ on Ubuntu

Linux-ubuntu16.04 Python3.5配置OpenCV3.2

Caffe + Ubuntu 15.04 + CUDA 7.5 在服务器上安装配置及卸载重新安装（已测试可执行）

基于ubuntu16.04配置opencv3.1+python3.5

ubuntu 16.04 安装 opencv3.2.0 with python 3.5

ubuntu14/16安装python3-opencv3

Ubuntu 16.04: How to install OpenCV

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