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I don't know if you need videoio later but for now you don't, so comment it till you solve segmentation fault (core dumped) problem.

Edit your CMakeLists:

find_package(OpenCV REQUIRED)

add_executable(vpnode
  src/vpnode.cpp
)
target_link_libraries(vpnode
  ${catkin_LIBRARIES}
  ${OpenCV_LIBRARIES}
)

Edit your sourcefile as follow:

#include <iostream>
#include <opencv/cv.h>
#include <opencv2/highgui/highgui.hpp>

int main(int argc, char* argv[])  {
    cv::Mat img = cv::imread("/home/andrija/Documents/image.jpg");

    std::cout << img.rows << "; " << img.cols <<  std::endl;

    cv::namedWindow("img");
    cv::imshow("img", img);

    cv::waitKey(2000);    
    return 0; 
}

I don't know if you need videoio later but for now you don't, so comment it till you solve segmentation fault (core dumped) problem.

Edit your CMakeLists:

find_package(OpenCV REQUIRED)

add_executable(vpnode
  src/vpnode.cpp
)
target_link_libraries(vpnode
  ${catkin_LIBRARIES}
  ${OpenCV_LIBRARIES}
)

Edit your sourcefile as follow:

#include <iostream>
#include <opencv/cv.h>
#include <opencv2/highgui/highgui.hpp>

int main(int argc, char* argv[])  {
    cv::Mat img = cv::imread("/home/andrija/Documents/image.jpg");
cv::imread("/home/andrija/Documents/image.jpg"); //Make sure that the image is there

    std::cout << img.rows << "; " << img.cols <<  std::endl;

    cv::namedWindow("img");
    cv::imshow("img", img);

    cv::waitKey(2000);    
    return 0; 
}

I don't know if you need videoio later but for now you don't, so comment it till you solve segmentation fault (core dumped) problem.

Edit your CMakeLists:

find_package(OpenCV REQUIRED)

add_executable(vpnode
  src/vpnode.cpp
)
target_link_libraries(vpnode
  ${catkin_LIBRARIES}
  ${OpenCV_LIBRARIES}
)

Edit your sourcefile as follow:

#include <iostream>
#include <opencv/cv.h>
#include <opencv2/highgui/highgui.hpp>

int main(int argc, char* argv[])  {
    cv::Mat img = cv::imread("/home/andrija/Documents/image.jpg"); //Make sure that the image is there

    std::cout << img.rows << "; " << img.cols <<  std::endl;

    cv::namedWindow("img");
    cv::imshow("img", img);

    cv::waitKey(2000);    
    return 0; 
}