/*?
?*@function?SiftDetect.cpp?
?*@brief?對sift特征檢測和匹配進行測試，并實現RANSAC算法進行過濾錯配點?
?*@author?ltc?
?*@date?11:20?Saturday，28?November，2015?
?*/??
#include??
#include??
#include??
using?namespace?std;??
using?namespace?cv;??
??
??
//RANSAC算法??
vector?ransac（vector?matchesvector?queryKeyPointvector?trainKeyPoint）;??
??
int?main（int?argcchar*?argv[]）??
{??
????//圖像讀取??
????Mat?img1img2;??
????img1=imread（“D:\\picture\\001_L.png“CV_WINDOW_AUTOSIZE）;??
????img2=imread（“D:\\picture\\002_R.png“CV_WINDOW_AUTOSIZE）;??
??
????if（img1.empty（）||img2.empty（））??
????{??
????????return?-1;??
????}??
??
????//sift特征提取??
????SiftFeatureDetector?detector;?????
????vector?keyPoint1keyPoint2;??
????detector.detect（img1keyPoint1）;??
????detector.detect（img2keyPoint2）;??
????//cout<<“Number?of?KeyPoint1:“<????//cout<<“Number?of?KeyPoint2:“<??
????//sift特征描述子計算??
????SiftDescriptorExtractor?desExtractor;??
????Mat?des1des2;??
????desExtractor.compute（img1keyPoint1des1）;??
????desExtractor.compute（img2keyPoint2des2）;??
??
????//sift特征點（描述子）匹配??
????Mat?res1res2;??
//??drawKeypoints（img1keyPoint1res1Scalar::all（-1）/*DrawMatchesFlags::DRAW_RICH_KEYPOINTS*/DrawMatchesFlags::DEFAULT）;??
//??drawKeypoints（img2keyPoint2res2Scalar::all（-1）/*DrawMatchesFlags::DRAW_RICH_KEYPOINTS*/DrawMatchesFlags::DEFAULT）;??
????BFMatcher?matcher（NORM_L2）;??
????FlannbasedMatcher?matcher_flann;??
????vector?matches;??
??
????vector>?matches_knn;??
????matcher.match（des1des2matches）;??
????matcher.knnMatch（des1des2matches_knn2）;??
??
//??cout<<“matches_knn.size:“<??
????//sift特征最近距離與次近距離之比小于0.6視為正確匹配??
????vector?match_knn;??
????for（int?i=0;i????{??
????????float?ratio=matches_knn[i][0].distance/matches_knn[i][1].distance;??
????????if（ratio<0.6）??
????????{??
????????????match_knn.push_back（matches_knn[i][0]）;??
????????}??
????}??
??
//??matcher_flann.match（des1des2matches_flann）;??
??
????//for（int?i=0;i????//{??
????//??cout<<“第“<????//??cout<<“queryIdx:“<????//??cout<<“imgIdx:“<????//}??
??
????//cout<<“Number?of?matches:“<????//cout<<“Number?of?matches_flann:“<??????
????vector?matches_ransac=ransac（matcheskeyPoint1keyPoint2）;??
????Mat?img_matchimg_match_flann;??
??????
????drawMatches（img1keyPoint1img2keyPoint2matches_ransacimg_match）;??
????drawMatches（img1keyPoint1img2keyPoint2match_knnimg_match_flann）;??
??
????imshow（“img_match“img_match）;??
????imshow（“img_match_flann“img_match_flann）

?屬性????????????大小?????日期????時間???名稱
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?????文件?????156160??2018-05-04?15:59??SIFT_RANSAC\Debug\SIFT_RANSAC.exe

?????文件????2011344??2018-05-04?15:59??SIFT_RANSAC\Debug\SIFT_RANSAC.ilk

?????文件????2477056??2018-05-04?15:59??SIFT_RANSAC\Debug\SIFT_RANSAC.pdb

?????文件????????666??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\cl.command.1.tlog

?????文件??????18190??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\CL.read.1.tlog

?????文件????????420??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\CL.write.1.tlog

?????文件??????????2??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\link-cvtres.read.1.tlog

?????文件??????????2??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\link-cvtres.write.1.tlog

?????文件??????????2??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\link-rc.read.1.tlog

?????文件??????????2??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\link-rc.write.1.tlog

?????文件???????2110??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\link.command.1.tlog

?????文件???????5084??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\link.read.1.tlog

?????文件????????542??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\link.write.1.tlog

?????文件?????700704??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\main.obj

?????文件?????????76??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\SIFT_RANSAC.lastbuildstate

?????文件???????2290??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\SIFT_RANSAC.log

?????文件?????625664??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\vc110.idb

?????文件????1429504??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug\vc110.pdb

?????文件???????4926??2018-05-04?16:09??SIFT_RANSAC\SIFT_RANSAC\main.cpp

?????文件???????4115??2018-05-04?15:22??SIFT_RANSAC\SIFT_RANSAC\SIFT_RANSAC.vcxproj

?????文件????????942??2018-05-04?15:21??SIFT_RANSAC\SIFT_RANSAC\SIFT_RANSAC.vcxproj.filters

?????文件???14680064??2018-05-04?16:09??SIFT_RANSAC\SIFT_RANSAC.sdf

?????文件????????900??2018-05-04?15:21??SIFT_RANSAC\SIFT_RANSAC.sln

????..A..H.?????20992??2018-05-04?16:09??SIFT_RANSAC\SIFT_RANSAC.v11.suo

?????目錄??????????0??2018-05-04?15:59??SIFT_RANSAC\SIFT_RANSAC\Debug

?????目錄??????????0??2018-05-04?15:22??SIFT_RANSAC\Debug

?????目錄??????????0??2018-05-04?15:21??SIFT_RANSAC\SIFT_RANSAC

?????目錄??????????0??2018-05-04?15:21??SIFT_RANSAC

-----------?---------??----------?-----??----

?????????????22141757????????????????????28

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