OpenCV/IO/ReadImage
From ProgrammingExamples
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})