Version 4.11.0 is available upstream. Please consider updating! It seems that version 4.11.0 is available upstream, while the latest version in the Gentoo tree is 4.10.0. You think this warning is false? Read more about it here.
OpenCV (Open Source Computer Vision) is a library of programming functions mainly aimed at real time computer vision.
Example applications of the OpenCV library are Human-Computer Interaction (HCI); Object Identification, Segmentation and Recognition;
Face Recognition; Gesture Recognition; Motion Tracking, Ego Motion, Motion Understanding; Structure From Motion (SFM); and Mobile Robotics.