Linking openCv with Qt

Anas_Deshmukh

hello everyone,
i want to include OpenCv libraries with qt 4.8.5.

getting error like :
error: opencv2/core/core.hpp: No such file or directory

i feel thankful if u help me to link this libraries properly.

// my .pro file
# Additional import path used to resolve QML modules in Creator's code model
QML_IMPORT_PATH =

# The .cpp file which was generated for your project. Feel free to hack it.
SOURCES += main.cpp \
    test.cpp

RESOURCES += qml.qrc

# Installation path
# target.path =

# Please do not modify the following two lines. Required for deployment.
include(qtquick1applicationviewer/qtquick1applicationviewer.pri)

# Default rules for deployment.
include(deployment.pri)


INCLUDEPATH +=/home/anas/opencvArm/include/
LIBS += -L/home/anas/opencvArm/lib/

HEADERS += \

// test.h
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/contrib/contrib.hpp>
#include <opencv2/imgproc/imgproc.hpp>

#include <QtCore>
#include <iostream>
#include <stdio.h>
using namespace cv;
using namespace std;

class openCV : public QObject
{
    Q_OBJECT
public:
void loadImage();
};
``


/// test.cpp```

void openCV::loadImage(){
string imageName("HappyFish.jpg");
    if( argc != 2)
    {
     cout <<" Usage: display_image ImageToLoadAndDisplay" << endl;
     return -1;
    }

    Mat image;
    image = imread(argv[1], CV_LOAD_IMAGE_COLOR);   // Read the file

    if(! image.data )                              // Check for invalid input
    {
        cout <<  "Could not open or find the image" << std::endl ;
        return -1;
    }
else std::cout << "its working\n";
}

// //// main.cpp

#include "qtquick1applicationviewer.h"
#include <QApplication>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QtQuick1ApplicationViewer viewer;
    viewer.addImportPath(QLatin1String("modules"));
    viewer.setOrientation(QtQuick1ApplicationViewer::ScreenOrientationAuto);
    viewer.setMainQmlFile(QLatin1String("qrc:/main.qml"));
    viewer.showExpanded();

    return app.exec();
}

SGaist

Hi,

Maybe a silly question but are you sure that OpenCV is properly installed in opencvArm ?