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BRIEF原理：

/* *@function BRIEFK_Detect.cpp *@brief 使用BRIEF特征检测并匹配目标 *@author ltc *@date 19:06 Thursday，December 3rd，2015*/#include
   
    #include
    
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      #include
      
       #include
       
        using namespace std;using namespace cv;int main(int argc,char* argv[]){	Mat queryImage,trainImage;	queryImage=imread("1.jpg",IMREAD_COLOR);	trainImage=imread("2.jpg",IMREAD_COLOR);		vector
        
          queryKeyPoint,trainKeyPoint; Mat queryDescriptor,trainDescriptor; StarDetector starDetector; starDetector.detect(queryImage,queryKeyPoint); starDetector.detect(trainImage,trainKeyPoint); BriefDescriptorExtractor briefDetector; briefDetector.compute(queryImage,queryKeyPoint,queryDescriptor); briefDetector.compute(trainImage,trainKeyPoint,trainDescriptor); drawKeypoints(queryImage,queryKeyPoint,queryImage); drawKeypoints(trainImage,trainKeyPoint,trainImage); imshow("query",queryImage); imshow("train",trainImage); vector
         
           matches; BFMatcher matcher(NORM_HAMMING); matcher.match(queryDescriptor,trainDescriptor,matches); Mat image_match; drawMatches(queryImage,queryKeyPoint,trainImage,trainKeyPoint,matches,image_match); imshow("image_match",image_match); waitKey(0); return 0;}