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sudo apt-get install build-essential libgtk2.0-dev libgtk-3-dev libavcodec-dev libavformat-dev libjpeg-dev libswscale-dev libtiff5-dev
# python3支持
$ sudo apt install python3-dev python3-numpy
# streamer支持
$ sudo apt install libgstreamer-plugins-base1.0-dev libgstreamer1.0-dev
# 可选的依赖
$ sudo apt install libpng-dev libopenexr-dev libtiff-dev libwebp-dev
源碼下載
https://opencv.org/releases/
unzip opencv-4.2.0.zip
mkdir build
cd build/
編譯
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..
make
sudo make install?
配置環境
sudo gedit /etc/ld.so.conf.d/opencv.conf
添加 /usr/local/lib
sudo gedit /etc/bash.bashrc
添加
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig ?
? ? export PKG_CONFIG_PATH
source /etc/bash.bashrc
sudo updatedb
在终端打开到opencv-4.1.2/sample/cpp/example_cmake目录，执行下面的代码：
cmake .
make
./opencv_example
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