2D Features framework (feature2d module) {#tutorial_table_of_content_features2d} ========================================= Learn about how to use the feature points detectors, descriptors and matching framework found inside OpenCV. - @subpage tutorial_harris_detector *Compatibility:* \> OpenCV 2.0 *Author:* Ana Huamán Why is it a good idea to track corners? We learn to use the Harris method to detect corners - @subpage tutorial_good_features_to_track *Compatibility:* \> OpenCV 2.0 *Author:* Ana Huamán Where we use an improved method to detect corners more accuratelyI - @subpage tutorial_generic_corner_detector *Compatibility:* \> OpenCV 2.0 *Author:* Ana Huamán Here you will learn how to use OpenCV functions to make your personalized corner detector! - @subpage tutorial_corner_subpixeles *Compatibility:* \> OpenCV 2.0 *Author:* Ana Huamán Is pixel resolution enough? Here we learn a simple method to improve our accuracy. - @subpage tutorial_feature_detection *Compatibility:* \> OpenCV 2.0 *Author:* Ana Huamán In this tutorial, you will use *features2d* to detect interest points. - @subpage tutorial_feature_description *Compatibility:* \> OpenCV 2.0 *Author:* Ana Huamán In this tutorial, you will use *features2d* to calculate feature vectors. - @subpage tutorial_feature_flann_matcher *Compatibility:* \> OpenCV 2.0 *Author:* Ana Huamán In this tutorial, you will use the FLANN library to make a fast matching. - @subpage tutorial_feature_homography *Compatibility:* \> OpenCV 2.0 *Author:* Ana Huamán In this tutorial, you will use *features2d* and *calib3d* to detect an object in a scene. - @subpage tutorial_detection_of_planar_objects *Compatibility:* \> OpenCV 2.0 *Author:* Victor Eruhimov You will use *features2d* and *calib3d* modules for detecting known planar objects in scenes. - @subpage tutorial_akaze_matching *Compatibility:* \> OpenCV 3.0 *Author:* Fedor Morozov Using *AKAZE* local features to find correspondence between two images. - @subpage tutorial_akaze_tracking *Compatibility:* \> OpenCV 3.0 *Author:* Fedor Morozov Using *AKAZE* and *ORB* for planar object tracking.