Viola Jones face detection and tracking explained

Viola Jones face detection algorithm and tracking is explained. Includes explanation of haar features, integral images, adaboost, cascading classifiers, mean shift tracking and Camshift tracking. Presentation link: https://drive.google.com/file/d/1Sxfp5k249eoxB57cbcS9vl4zi3gBe0la/view?usp=sharing OpenCV implementation link: http://docs.opencv.org/doc/tutorials/objdetect/cascade_classifier/cascade_classifier.html