Table of Contents Hand Detection Hand Tracking Data Collection Feature Engineering Classification Hand Detection Dataset Number of images Number of classes Classes Epochs HaGRID micro 3 classes 1.3k 3 Fist, Palm, No Gesture 338/1000 (early stopping after 100) Hand tracking SORT (Simple Online and Realtime Tracking) Multiple objects tracker (waits for 20 frames before terminating track) Data collection Class Training Test wave video 1 wave video 2 wave video 3 non-wave video 4 non-wave video 5 wave video 6 non-wave video 7 Training set: 287 wave and 321 non-wave signals Test set: 144 wave and 335 non-wave signals Feature engineering Features of the signal (x - blue, y - green) Signal is of the length of 40 frames (camera runs on about 30 fps) Classification Random forest classificator 13 trees Test accuracy: 0.93
