A brief analysis of the installation of Opencv 2.4.13 version under Linux

1. Download and unzip and install the compressed package

unzip opencv-2.4.13.zip

2. Enter the folder you just decompressed and create a release folder

 cd opencv-2.4.13mkdir release

3. Install the necessary dependency libraries

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

4. Enter the release folder, use cmake to compile the source code of OpenCV, and install the lib to the /usr/local directory

cd release
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..

5. Installation

sudo make install

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