ubuntu14/16 安装python3-opencv3

1、由于ubuntu14.04/16.04都自带了python2.7和python3.5，所以无需在安装python。

检查python是否安装：

~ whereis python

2、首先需要的是 pip：

~ sudo apt-get install python3-setuptools python3-devsudo easy_install3 pip

然后是 numpy：

~ pip3 install numpy

安装依赖：

~ sudo apt-get install build-essentialsudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev

3、安装opencv3:

~ wget https://codeload.github.com/opencv/opencv/zip/3.2.0

~ unzip 3.2.0 && cd 3.2.0

cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local  PYTHON3_EXECUTABLE=/usr/bin/python3 PYTHON_INCLUDE_DIR=/usr/include/python3.4 PYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython3.4m.so PYTHON3_NUMPY_INCLUDE_DIRS=/usr/local/lib/python3.4/dist-packages/numpy/core/include ..

~ make -j4

~ sudo make install

4、测试一下：

python3.5

>>> import cv2

>>> cv2.__version__

'3.2.0'

>>>

恭喜您，现在可以在python3.5中调用opencv3了！