OpenCV/Basics/Image

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Image.cxx

#include "cv.h"
 
#include <iostream>
 
int main()
{
  // Create an image of scalars (the '1' as the last parameter)
  IplImage* image = cvCreateImage(cvSize(20,10), IPL_DEPTH_8U, 1);
 
  // Access a pixel
  CvScalar pixel = cvGet2D(image, 4, 5);
 
  // Access a component of the pixel
  std::cout << pixel.val[0] << std::endl;
 
  return 0;
}

CMakeLists.txt

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