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fix features2d tutorials

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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_homography/feature_homography.markdown
+5 -12
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@@ -42,25 +42,18 @@ int main( int argc, char** argv )
if( !img_object.data || !img_scene.data )
{ std::cout<< " --(!) Error reading images " << std::endl; return -1; }
//-- Step 1: Detect the keypoints using SURF Detector
//-- Step 1: Detect the keypoints and extract descriptors using SURF
int minHessian = 400;
SurfFeatureDetector detector( minHessian );
Ptr<SURF> detector = SURF::create( minHessian );
std::vector<KeyPoint> keypoints_object, keypoints_scene;
detector.detect( img_object, keypoints_object );
detector.detect( img_scene, keypoints_scene );
//-- Step 2: Calculate descriptors (feature vectors)
SurfDescriptorExtractor extractor;
Mat descriptors_object, descriptors_scene;
extractor.compute( img_object, keypoints_object, descriptors_object );
extractor.compute( img_scene, keypoints_scene, descriptors_scene );
detector->detectAndCompute( img_object, keypoints_object, descriptors_object );
detector->detectAndCompute( img_scene, keypoints_scene, descriptors_scene );
//-- 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_object, descriptors_scene, matches );