Where to get Nonfree modules?
I found tutorials using Feature detection. One of the tutorials includes these features:
opencv2/features2d/features2d.hpp
opencv2/nonfree/features2d.hpp
opencv2/nonfree/nonfree.hpp
I did not found the nonfree module where can I download it? Also is there some help how to compile the sources using Visual Studio 2010? Is there project created to build it?
I have found:
xfeatures2d: Features2D extra -- Extra 2D Features Framework containing experimental and non-free
2D feature detector/descriptor
algorithms. SURF, SIFT, BRIEF,
Censure, Freak, LUCID, Daisy,
Self-similar.
ximgproc: Extended Image Processing -- Structured Forests /
Domain Transform Filter / Guided
Filter / Adaptive Manifold Filter /
Joint Bilateral Filter / Superpixels.
xobjdetect: Boosted 2D Object Detection -- Uses a Waldboost cascade
and local binary patterns computed as
integral features for 2D object
detection.
xphoto: Extra Computational Photography -- Additional photo
processing algorithms: Color balance /
Denoising / Inpainting.
I think it could be what I look for. There is the term "Features" often mentioned.
http://docs.opencv.org/3.1.0/de/d25/tutorial_dnn_build.html#gsc.tab=0