OpenCV/IO/ReadImage

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ReadImage.cxx

#include <opencv2/highgui/highgui.hpp>
#include "cv.h"
 
#include <iostream>
 
 
int main(int argc, char*argv[])
{
  cv::Mat image = cv::imread(argv[1], CV_LOAD_IMAGE_COLOR); // or CV_LOAD_IMAGE_GRAYSCALE
 
  if(image.empty())
  {
    std::cout << "Can't the image" << std::endl;
    return -1;
  }
 
  return 0;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
PROJECT(ReadImage)
 
FIND_PACKAGE(OpenCV REQUIRED )
INCLUDE_DIRECTORIES( ${OPENCV_INCLUDE_DIR} )
 
ADD_EXECUTABLE(ReadImage ReadImage.cxx)
TARGET_LINK_LIBRARIES(ReadImage ${OpenCV_LIBS})