#include <opencv2/imgproc.hpp> #include <opencv2/highgui.hpp> #include <opencv2/ximgproc.hpp> #include <iostream> static void help() { std::cout << "\nThis program demonstrates Pei&Lin Normalization\n" "Usage:\n" "./peilin [image1_name -- default is ../data/peilin_plane.png] [image2_name -- default is ../data/peilin_shape.png]\n" << std::endl; } static inline cv::Mat operator& ( const cv::Mat& lhs, const cv::Matx23d& rhs ) { cv::Mat ret; cv::warpAffine ( lhs, ret, rhs, lhs.size(), cv::INTER_LINEAR ); return ret; } static inline cv::Mat operator& ( const cv::Matx23d& lhs, const cv::Mat& rhs ) { cv::Mat ret; cv::warpAffine ( rhs, ret, lhs, rhs.size(), cv::INTER_LINEAR | cv::WARP_INVERSE_MAP ); return ret; } int main(int argc, char** argv) { cv::CommandLineParser parser(argc, argv, "{help h | | }{ @input1 | ../data/peilin_plane.png | }{ @input2 | ../data/peilin_plane.png | }"); if (parser.has("help")) { help(); return 0; } std::string filename1 = parser.get<std::string>("@input1"); std::string filename2 = parser.get<std::string>("@input2"); cv::Mat I = cv::imread(filename1, 0); if (I.empty()) { std::cout << "Couldn't open image " << filename1 << std::endl; return 0; } cv::Mat J = cv::imread(filename2, 0); if (J.empty()) { std::cout << "Couldn't open image " << filename2 << std::endl; return 0; } cv::Mat N = I & cv::ximgproc::PeiLinNormalization ( I ); cv::Mat D = cv::ximgproc::PeiLinNormalization ( J ) & I; cv::imshow ( "I", I ); cv::imshow ( "N", N ); cv::imshow ( "J", J ); cv::imshow ( "D", D ); cv::waitKey(); return 0; }