OpenCV图像匹配算法之freak
//freak.cpp #include "stdafx.h" #include <cv.hpp> #include <highgui.h> #include "utils.h" #include <iostream> using namespace std; void freak(char* path1, char* path2, INFO& info, bool show) { double t1,t2; t1=cvGetTickCount(); initModule_nonfree(); Mat img1, img2; img1=imread(path1,0); img2=imread(path2,0); if(img1.data==NULL) { cout<<"The image can not been loaded: "<<path1<<endl; system("pause"); exit(-1); } if(img2.data==NULL) { cout<<"The image can not been loaded: "<<path2<<endl; system("pause"); exit(-1); } vector<KeyPoint> kpts1_freak, kpts2_freak; Mat desc1_freak, desc2_freak; Ptr<cv::DescriptorMatcher> matcher_l1 = DescriptorMatcher::create("BruteForce-Hamming"); //二进制汉明距离匹配 vector<vector<DMatch> > dmatches_freak; vector<Point2f> matches_freak, inliers_freak; SurfFeatureDetector dfreak(200,4); dfreak.detect(img1,kpts1_freak); dfreak.detect(img2,kpts2_freak); info.n1 = kpts1_freak.size(); info.n2 = kpts2_freak.size(); FREAK freak; freak.compute(img1,kpts1_freak,desc1_freak); freak.compute(img2,kpts2_freak,desc2_freak); matcher_l1->knnMatch(desc1_freak,desc2_freak,dmatches_freak,2); matches2points_nndr(kpts1_freak,kpts2_freak,dmatches_freak,matches_freak,DRATIO); info.m=matches_freak.size()/2; compute_inliers_ransac(matches_freak,inliers_freak,MIN_H_ERROR,false); info.rm=inliers_freak.size()/2; t2=cvGetTickCount(); info.t=(t2-t1)/1000000.0/cvGetTickFrequency(); Mat img1_rgb_freak = imread(path1,1); Mat img2_rgb_freak = imread(path2,1); Mat img_com_freak = Mat(Size(img1.cols*2,img1.rows),CV_8UC3); if(show == true) { draw_inliers(img1_rgb_freak,img2_rgb_freak,img_com_freak,inliers_freak,2); imshow("freak",img_com_freak); waitKey(0); } return; }
使用
INFO freak_info; freak(path1,path2,freak_info,true); showInfo(freak_info);