آموزش نصب OpenCV 2.4.9 در کوبونتو ۱۴.۰۴

ROBOTICS

کاربر فعال مهندسی رباتیک
آموزش نصب OpenCV 2.4.9 در کوبونتو ۱۴.۰۴


کد:
sudo apt-get update

sudo apt-get upgrade

sudo apt-get install build-essential

sudo apt-get install cmake cmake-qt-gui git

sudo apt-get install openjdk-7-jre

sudo apt-get install apt-build

sudo apt-get install qtcreator

sudo apt-get install libqtwebkit4 qt4-dev-tools

sudo apt-get install libopencv-dev checkinstall pkg-config yasm libjpeg-dev libjasper-dev libavcodec-dev libavformat-dev libswscale-dev libdc1394-22-dev libxine-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libv4l-dev python-dev python-numpy libtbb-dev libqt4-dev libgtk2.0-dev libfaac-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev x264 v4l-utils

wget http://citylan.dl.sourceforge.net/project/opencvlibrary/opencv-unix/2.4.9/opencv-2.4.9.zip

unzip opencv-2.4.9.zip

cd opencv-2.4.9

mkdir build

cd build

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

sudo make -j4

sudo make install

sudo sh -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'

sudo ldconfig

حالا ریستارت کنید

کد:
cd /usr/local/share/OpenCV/samples/c

sudo chmod +x build_all.sh

sudo ./build_all.sh

./pyramid_segmentation baboon.jpg

اگر عکس بابون را دیدید یعنی به دستی نصب شده
 

ROBOTICS

کاربر فعال مهندسی رباتیک
آزمایش درستی نصب با اجرای برنامه خودتان

برنامه اول - تست عکس

فایل CMakeLists.txt

کد:
cmake_minimum_required(VERSION 2.8)

project(first)

FIND_PACKAGE(OpenCV REQUIRED core highgui)
add_executable(first main.cpp)
TARGET_LINK_LIBRARIES(first ${OpenCV_LIBS})

فایل main.cpp

کد:
#include <iostream>
#include <opencv2/highgui/highgui.hpp>

using namespace std;
using namespace cv;

Mat im;

int main(int argc, char **argv)
{
    if (argc!=2)
    {
        cout << "\nYou must enter an image.\n\n";
        return -1;
    }

    im = imread(argv[1], CV_LOAD_IMAGE_COLOR);
    namedWindow("First Program");
    imshow("First Program", im);
    cout << "Press 'q' to quit.\n\n";
    while(1)
    {
        if(waitKey(1) == 'q') break;
    }
    destroyAllWindows();
    return 0;
}


نحوه کامپایل و اجرا

کد:
mkdir build
cd build
cmake ..
make
./first ~/Pictures/test.jpg


برنامه دوم - تست ویدئو

فایل CMakeLists.txt

کد:
cmake_minimum_required(VERSION 2.8)

project(second)

FIND_PACKAGE(OpenCV REQUIRED core highgui)
add_executable(second main.cpp)
TARGET_LINK_LIBRARIES(second ${OpenCV_LIBS})

فایل main.cpp

کد:
#include <iostream>
#include <opencv2/opencv.hpp>

using namespace std;
using namespace cv;



int main(int argc, char **argv)
{
    if (argc!=2)
    {
        cout << "\nYou must enter a video.\n\n";
        return -1;
    }

    VideoCapture cap(argv[1]); // Create a VideoCapture object to read from video file

    if(!cap.isOpened()) //check if the file was opened
    {
        cout << "\nCapture could not open this video\n\n";
        return -1;
    }

    Mat frame;

    namedWindow("Second Program");

    while(cap.isOpened())
    {
        cap >> frame;

        if(frame.empty()) // Check if the video is over
        {
            cout << "\nEnd!\n\n";
            break;
        }
        imshow("Second Program", frame);
        waitKey(100);
    }

    cout << "Press a key to quit.\n\n";
    waitKey(0);
    destroyAllWindows();

    return 0;
}

نحوه کامپایل و اجرا

کد:
mkdir build
cd build
cmake ..
make
./scond ~/Videos/test.avi
 

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