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fix features2d tutorials

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This commit is contained in:
berak
2015-03-05 10:15:35 +01:00
parent 4bb496409c
commit b7f2a4da69
2 changed files with 11 additions and 24 deletions
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doc/tutorials/features2d/feature_flann_matcher/feature_flann_matcher.markdown
+6 -12
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@@ -54,25 +54,19 @@ int main( int argc, char** argv )
if( !img_1.data || !img_2.data )
{ std::cout<< " --(!) Error reading images " << std::endl; return -1; }
//-- Step 1: Detect the keypoints using SURF Detector
//-- Step 1: Detect the keypoints using SURF Detector, compute the descriptors
int minHessian = 400;
SurfFeatureDetector detector( minHessian );
Ptr<SURF> detector = SURF::create();
detector->setMinHessian(minHessian);
std::vector<KeyPoint> keypoints_1, keypoints_2;
detector.detect( img_1, keypoints_1 );
detector.detect( img_2, keypoints_2 );
//-- Step 2: Calculate descriptors (feature vectors)
SurfDescriptorExtractor extractor;
Mat descriptors_1, descriptors_2;
extractor.compute( img_1, keypoints_1, descriptors_1 );
extractor.compute( img_2, keypoints_2, descriptors_2 );
detector->detectAndCompute( img_1, keypoints_1, descriptors_1 );
detector->detectAndCompute( img_2, keypoints_2, descriptors_2 );
//-- Step 3: Matching descriptor vectors using FLANN matcher
//-- Step 2: Matching descriptor vectors using FLANN matcher
FlannBasedMatcher matcher;
std::vector< DMatch > matches;
matcher.match( descriptors_1, descriptors_2, matches );