資源簡介
在opencv的實際使用，經(jīng)常遇到這種情況，自己在電腦上配置了opencv，寫好了opencv的代碼工程，在環(huán)境變量中加了opencv的dll的路徑，這樣可以在自己電腦上運行代碼。但是如果將該工程拷貝到其他沒有配置opencv的電腦上就無法運行。解決辦法：在配置了opencv的電腦上（但是在環(huán)境變量中沒有添加dll的路徑），將調(diào)用相關函數(shù)的代碼封裝成函數(shù)，生成dll文件，拷貝到其他沒配置opencv的電腦上，再解析該dll，將該dll中調(diào)用的一些opencv的函數(shù)涉及到的opencv的dll拷貝下就行。
代碼片段和文件信息
#include“dll_sift.h“
//生成dll文件聲明??
extern?“C“?__declspec（dllexport）?void?sift（char*?src?char*?dst）; //sift配準函數(shù)
extern?“C“?__declspec（dllexport）?void?sift_pixel（char*?src）;???//sift特征提取函數(shù)
void?sift（char*?src?char*?dst）??
{????
????Mat?image01=imread（src）;????
????Mat?image02=imread（dst）;??
????imshow（“原始測試圖像“image01）;??
????imshow（“基準圖像“image02）;??
??
????//灰度圖轉(zhuǎn)換??
????Mat?image1image2;????
????cvtColor（image01image1CV_RGB2GRAY）;??
????cvtColor（image02image2CV_RGB2GRAY）;??
??
??
????//提取特征點????
????SurfFeatureDetector?surfDetector（800）;??//?海塞矩陣閾值??
????vector?keyPoint1keyPoint2;????
????surfDetector.detect（image1keyPoint1）;????
????surfDetector.detect（image2keyPoint2）;????
??
????//特征點描述，為下邊的特征點匹配做準備????
????SurfDescriptorExtractor?SurfDescriptor;????
????Mat?imageDesc1imageDesc2;????
????SurfDescriptor.compute（image1keyPoint1imageDesc1）;????
????SurfDescriptor.compute（image2keyPoint2imageDesc2）;??????
??
????//獲得匹配特征點，并提取最優(yōu)配對?????
????FlannbasedMatcher?matcher;??
????vector?matchePoints;????
????matcher.match（imageDesc1imageDesc2matchePointsMat（））;??
????sort（matchePoints.begin（）matchePoints.end（））;?//特征點排序????
??
????//獲取排在前N個的最優(yōu)匹配特征點??
????vector?imagePoints1imagePoints2;??????
????for（int?i=0;i<10;i++）??
????{?????????
????????imagePoints1.push_back（keyPoint1[matchePoints[i].queryIdx].pt）;???????
????????imagePoints2.push_back（keyPoint2[matchePoints[i].trainIdx].pt）;???????
????}??
??
????//獲取圖像1到圖像2的投影映射矩陣?尺寸為3*3??
????Mat?homo=findHomography（imagePoints1imagePoints2CV_RANSAC）;??
????////也可以使用getPerspectiveTransform方法獲得透視變換矩陣，不過要求只能有4個點，效果稍差??
????//Mat???homo=getPerspectiveTransform（imagePoints1imagePoints2）;?????
????????cout<<“變換矩陣為：\n“<
????Mat?imageTransform1imageTransform2;??
????warpPerspective（image01imageTransform1homoSize（image02.colsimage02.rows））;????
????imshow（“經(jīng)過透視矩陣變換后“imageTransform1）;??
??????
????waitKey（1000）;??????
}??
void?sift_pixel（char*?src）
{
????//從文件中讀入圖像
????Mat?img?=?imread（src）;
????//如果讀入圖像失敗
????if（img.empty（））
fprintf（stderr?“Can?not?load?image?%s\n“?src）;
????//顯示圖像
????imshow（“image?before“?img）;
????//sift特征檢測
????SiftFeatureDetector??siftdtc;
????vectorkp1;
?
????siftdtc.detect（imgkp1）;
????Mat?outimg1;
????drawKeypoints（imgkp1outimg1）;
????imshow（“image1?keypoints“outimg1）;
????//此函數(shù)等待按鍵，按鍵盤任意鍵就返回
????waitKey（）;
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????111104??2017-12-03?18:37??dll_sift\Debug\dll_sift.dll
?????文件????????613??2017-12-03?18:39??dll_sift\Debug\dll_sift.exp
?????文件?????534696??2017-12-03?18:37??dll_sift\Debug\dll_sift.ilk
?????文件???????1692??2017-12-03?18:39??dll_sift\Debug\dll_sift.lib
?????文件????1494016??2017-12-03?18:37??dll_sift\Debug\dll_sift.pdb
?????文件????????550??2017-12-03?18:40??dll_sift\dll_sift\Debug\cl.command.1.tlog
?????文件??????16358??2017-12-03?18:40??dll_sift\dll_sift\Debug\CL.read.1.tlog
?????文件????????304??2017-12-03?18:40??dll_sift\dll_sift\Debug\CL.write.1.tlog
?????文件???????1560??2017-12-03?18:32??dll_sift\dll_sift\Debug\dll_sift.Build.CppClean.log
?????文件?????????57??2017-12-03?18:40??dll_sift\dll_sift\Debug\dll_sift.lastbuildstate
?????文件????????712??2017-12-03?18:40??dll_sift\dll_sift\Debug\dll_sift.log
?????文件?????412724??2017-12-03?18:37??dll_sift\dll_sift\Debug\dll_sift.obj
?????文件??????????0??2017-12-03?18:40??dll_sift\dll_sift\Debug\dll_sift.unsuccessfulbuild
?????文件????????228??2017-12-03?18:37??dll_sift\dll_sift\Debug\dll_sift.write.1.tlog
?????文件??????????2??2017-12-03?18:39??dll_sift\dll_sift\Debug\li
?????文件??????????2??2017-12-03?18:39??dll_sift\dll_sift\Debug\li
?????文件??????????2??2017-12-03?18:39??dll_sift\dll_sift\Debug\li
?????文件??????????2??2017-12-03?18:39??dll_sift\dll_sift\Debug\li
?????文件??????????2??2017-12-03?18:39??dll_sift\dll_sift\Debug\li
?????文件??????????2??2017-12-03?18:39??dll_sift\dll_sift\Debug\li
?????文件??????????2??2017-12-03?18:39??dll_sift\dll_sift\Debug\li
?????文件??????????2??2017-12-03?18:39??dll_sift\dll_sift\Debug\li
?????文件??????????2??2017-12-03?18:39??dll_sift\dll_sift\Debug\li
?????文件?????519168??2017-12-03?18:37??dll_sift\dll_sift\Debug\vc110.idb
?????文件????1110016??2017-12-03?18:37??dll_sift\dll_sift\Debug\vc110.pdb
?????文件???????2721??2017-12-03?20:39??dll_sift\dll_sift\dll_sift.cpp
?????文件????????239??2017-12-03?18:04??dll_sift\dll_sift\dll_sift.h
?????文件???????5333??2017-12-03?20:45??dll_sift\dll_sift\dll_sift.vcxproj
?????文件???????1067??2017-12-03?18:04??dll_sift\dll_sift\dll_sift.vcxproj.filters
?????文件????????164??2017-12-03?18:04??dll_sift\dll_sift\dll_sift.vcxproj.user
............此處省略121個文件信息
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