OpenCV/Basics/Image
From ProgrammingExamples
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})