ubuntu opencv

sudo apt-get update
sudo apt-get upgrade

sudo apt-get install build-essential libgtk2.0-dev libjpeg-dev libtiff5-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 libtiff5-dev libdc1394-22-dev libavcodec-dev libavformat-dev libswscale-dev

tar -xjvf opencv-2.4.10.tar.bz2
cd opencv-2.4.10

mkdir build
cd build
cmake -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON -D WITH_QT=ON -D WITH_OPENGL=ON -D WITH_FFMPEG=OFF ..

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

make
sudo make install

sudo gedit /etc/ld.so.conf.d/opencv.conf
/usr/local/lib

sudo ldconfig
sudo gedit /etc/bash.bashrc
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
export PKG_CONFIG_PATH

cd ~/opencv-2.4.10/samples/c
chmod +x build_all.sh
./build_all.sh

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

//文件名字lena.cpp
#include <stdio.h>
#include <opencv2/opencv.hpp>
using namespace cv;
int main( )
{
    Mat image;
    image = imread("lena.jpg", 1 );//目录按照自己的目录
    if ( !image.data )
    {
        printf("No image data ");
        return -1;
    }
    namedWindow("Display Image", WINDOW_AUTOSIZE );
    imshow("Display Image", image);
    waitKey(0);
    return 0;
}

 g++ lena.cpp `pkg-config --cflags --libs opencv` -o lena

python3

sudo apt-get install build-essential   
sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev  
sudo apt-get install python3-dev python3-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev
sudo apt-get install pkg-config

进入opencv文件夹

mkdir build
cd build

cmake -D CMAKE_BUILD_TYPE=RELEASE
-D CMAKE_INSTALL_PREFIX=/usr/local
-D PYTHON3_EXECUTABLE=/usr/bin/python3
-D PYTHON3_INCLUDE_DIR=/usr/include/python3.4
-D PYTHON3_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython3.4m.so
-D PYTHON3_NUMPY_INCLUDE_DIRS=/usr/local/lib/python3.4/dist-packages/numpy/core/include ..

make -j4   #（根据电脑核数确定） 一定要加sudo

sudo make install 一定要加sudo