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OpenCV Surf/Sift

asked 2018-01-17 09:12:52 -0500

Jiaz gravatar image

I have been playing around with image recognition on opencv and I understand Surf/sift have been moved to xfeature2d in the 3.X.X versions of opencv. I have tried to compile the contrib files through Cmake but it always shows errors. I am wondering if there was another way to obtain xfeature2d, maybe through purchasing the license?

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no, there is no other way. (but others succeeded building it, so why shouldn't you ;)

please add:

  • your cmake cmdline
  • the cmake output
  • and the errors you get

to your question, then we can help !

berak gravatar imageberak ( 2018-01-17 09:18:28 -0500 )edit

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answered 2018-01-18 01:52:00 -0500

MiaoDX gravatar image

Hei, you do not have to purchase the license if all you want is try/test/use them for personal projects (maybe for commercial purpose you should look carefully). It seems that you failed just because of the compile stage, maybe a better tutorial is enough. See OpenCV 3 Tutorials, Resources, and Guides, especially the Ubuntu 16.04: How to install OpenCV if you are under ubuntu. I even follwoed it installed opencv(2/3) on windows successfully.

And what is more, Wrapper package for OpenCV python bindings. is pretty impressive, if you do not have to use C++ and python is enough, you do not have to compile and install opencv at all, and it's cross-platform.

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thank you for taking the time to explain, I will try it out. Cheers!

Jiaz gravatar imageJiaz ( 2018-01-18 20:08:18 -0500 )edit
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Asked: 2018-01-17 09:12:52 -0500

Seen: 214 times

Last updated: Jan 17 '18