C++ cannot open source file "opencv2/tracking.hpp"...

Module 'cv2.cv2' has no attribute 'ximgproc'...

ImportError: cannot import name 'dnn_superres' for python example of super resolution with o...

Opencv-contrib installation error: file not found...

Unable to install opencv-contrib-python deprecation Python 3.5...

OpenCV install opencv_contrib on Windows...

ximgproc (opencv-contrib sub-module) installed successfully but i am getting AttributeError...

Module opencv_sfm disabled because the following dependencies are not found: Glog/Gflags - both are ...

Cannot find reference 'ximgproc' in '__init__.py...

Cannot create FisherFaceRecognizer with OpenCV 4 (C++)...

cv2.namedWindow and imshow is not working properly...

ICP::registerModelToScene() fails to run minimum example...

EXEC_BAD_ACCESS w/ OpenCV `cv::aruco::detectMarkers()` on IOS...

Maven depedency for opencv_contrib...

PyCharm: Installation of non-free OpenCV modules for operations like SIFT, SURF...

contrib module missing in opencv 3.0?...

Tracker undefined after installing extra modules openCV...

Can't load Caffe model with DummyData layer...

Unable to add extra modules to OpenCV (even with matching versions of opencv/opencv_contrib)...

OpenCV C++ Error with sinusoidal pattern generation - structured_light library...

Opencv contrib face library...

Failed OpenCV install unable to uninstall...