ubuntu系統怎麽安裝python版本的opencv

由於ubuntu14.04/16.04都自帶了python2.7和python3.5，所以無需在安裝python。

檢查python是否安裝：

~ whereis python

首先需要的是 pip：

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

然後是 numpy：

~ pip3 install numpy

安裝依賴：

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

安裝opencv3:

~ wget /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

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