SurfFeatureDetector undefined

opencvr
19 ●1 ●4

Hello,

I am trying to use SURF DETECTOR using this tutorial. link text

I have installed opencv_contrib extra package using cmake by this tutorial. link text

After completing all procedure, when I am trying to use SurfFeatureDetector it gave me error like, it is not defined.

is anyone have idea what I am missing?

opencv version: 4.0.0

1 answer

Sort by » oldest newest most voted

berak
32993 ●7 ●81 ●312

I have installed opencv_contrib extra package using cmake

good ! make sure you have cmake -DOPENCV_ENABLE_NONFREE=ON

#include "opencv2/xfeatures2d.hpp"

Ptr<xfeatures2d::SURF> surf = xfeatures2d::SURF::create();
surf->detectAndCompute(img, ....);

Thanks....

opencvr ( 2019-02-07 05:52:08 -0600 )edit

1 follower

Asked: 2019-02-07 04:48:43 -0600

Seen: 928 times

Last updated: Feb 07 '19