Opencv 安装

Author: Ling Bao Date: 星期二, 13. 六月 2017 09:18下午 环境说明: Ubuntu16.04/gcc-5.4.1/g++-5.4.1

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1 安装（OpenCV3.1.0为例）

1.1 下载Opencv源码 并解压

tar -zxvf opencv-3.1.0.zip

1.2 安装依赖库 sudo apt-get install gcc g++ cmake pkg-config build-essential sudo apt-get install libgtk2.0-dev libavcodec-dev libavformat-dev libtiff5-dev libswscale-dev libjasper-dev 1.3 安装 cd opencv-3.1.0 mkdir release && cd release cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local .. make -j4 sudo make install -j4 1.4 配置pkg-config sudo vim /etc/ld.so.conf 添加: /usr/local/lib sudo ldconfig -v export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig 查看配置信息： pkg-config –libs opencv 1.5 测试 cd opencv-3.1.0/samples/ cmake . make 1.6 安装python-opencv sudo apt-get install python-opencv 测试 python import cv2

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2 卸载（OpenCV3.1.0为例）

2.1 卸载命令（编译目录）

cd opencv-3.1.0/release/ sudo make uninstall cd .. sudo rm -r release sudo rm -r /usr/local/include/opencv2 /usr/local/include/opencv /usr/include/opencv /usr/include/opencv2 /usr/local/share/opencv /usr/local/share/OpenCV /usr/share/opencv /usr/share/OpenCV /usr/local/bin/opencv* /usr/local/lib/libopencv*

2.2 卸载其它 sudo apt-get –purge remove opencv-doc opencv-data python-opencv

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3 问题

3.1 unsupported GNU version

问题描述 host_config.h:115:2: error: #error – unsupported GNU version! gcc versions later than 4.9 are not supported! error – unsupported GNU version! gcc versions later than 4.9 are not supported! 解决方法 在CMakeLists.txt中增加set(CUDA_NVCC_FLAGS “-ccbin gcc-5”)

3.2 OpenCV in Ubuntu 17.04 E: Unable to locate package libjasper-dev 解决方法 echo “deb http://us.archive.ubuntu.com/ubuntu/ yakkety universe” | sudo tee -a /etc/apt/sources.list sudo apt-get update sudo apt-get install libjasper-dev