2017-10-21 10:46:28 -0500 asked a question Image watch plugin for Linux IDEs (Ubuntu) Image watch plugin for Linux IDEs (Ubuntu) Hello everyone! I am looking for Image Watch plugin for Linux IDEs (C++), si 2015-11-02 22:06:21 -0500 asked a question Using Extra 2d Features Framework in Ceemple Hi, i'm using Ceemple 'version' of OpenCV. I found problem trying to implement SURF algorithm from Non-free 2D Features Algorithms . With such list of included libraries: #include "opencv2/calib3d/calib3d.hpp #include "opencv2/features2d/features2d.hpp" #include "opencv2/highgui/highgui.hpp" #include "opencv2/imgproc/imgproc.hpp" #include "opencv2\xfeatures2d" #include #include  I get following error: error C1083: Cannot open include file: 'opencv2\xfeatures2d': No such file or directory. I searched for that in Google, but I have not found any properly working solution. Moreover, when I searched through directory in which Ceemple was installed, I have not found that library. Is it possible that Ceemple version of OpenCV does not include that library?