ubuntu12.04安装openCV2.4.6.1-白红宇

ubuntu12.04安装openCV2.4.6.1

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发布时间：2019-05-11

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1）在安装OpenCV前需要安装的软件包有

GCC4.4.X or later，可通过命令sudo apt-get install build-essential安装

CMake2.6 or later

SVN客户端

GTK+2.Xor higher, including headers(libgtk2.0-dev)

pkgconfig

Python2.6 or later and Numpy 1.5 or later with developerpackages(python-dev, python-numpy)

ffmpegor libav development packages: libavcodec-dev, libavformat-dev,libswsacle-dev

[可选]libdc13942.x

[可选]libjpeg-dev,libpng-dev, libtiff-dev, libjasper-dev

所有的软件包都可在终端安装或者通过Synaptic软件管理器。

终端安装依赖项：

sudo apt-get install build-essential libgtk2.0-dev libjpeg-dev libtiff4-dev libjasper-dev libopenexr-dev cmake python-dev python-numpy python-tk libtbb-dev libeigen2-dev yasm libfaac-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev libx264-dev libqt4-dev libqt4-opengl-dev sphinx-common texlive-latex-extra libv4l-dev libdc1394-22-dev libavcodec-dev libavformat-dev libswscale-dev

2）下载最新版OpenCV

打开网页：

下载安装包OpenCV-2.4.2.tar.bz2

sudo tar jxvf OpenCV-2.4.2.tar.bz2 -C /usr/local/

cd /usr/local/

sudo mv OpenCV-2.4.2 opencv

cd opencv

mkdir release

cd release

cmake -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -DINSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -DBUILD_EXAMPLES=ON -D WITH_QT=ON -D WITH_OPENGL=ON ..

make

sudo make install

3）安装后的配置

添加库的路径

sudo gedit /etc/ld.so.conf.d/opencv.conf

添加内容

/usr/local/lib

在终端输入命令

sudo ldconfig

设置环境变量

sudo gedit /etc/bash.bashrc

在文件最后加入以下两行并保存：

PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig

 export PKG_CONFIG_PATH
 此时重启Ubuntu或重新登录账户，使得OpenCV安装生效。

4）测试OpenCV自带例程

编译程序：

cd /usr/local/opencv/samples/c

chmod +x build_all.sh

./build_all.sh

运行程序：

./facedetect --cascade="/usr/local/share/OpenCV/haarcascades/haarcascade_frontalface_alt.xml" --scale=1.5 lena.jpg

运行结果如下：

运行程序：

./facedetect --cascade="/usr/local/share/OpenCV/haarcascades/haarcascade_frontalface_alt.xml" --nested-cascade="/usr/local/share/OpenCV/haarcascades/haarcascade_eye.xml" --scale=1.5 lena.jpg

运行结果如下：