This post will be completed later! WIP!
pure visual tracking is very demanding – therefore AI models are crutial as helper tools for any tracking – check out this insane collection:
https://ml5js.org/
face feature tracking with ml5.js
FACE FEATURE – LIVE EXAMPLE
https://learn.ml5js.org/#/reference/facemesh
realtime body tracking
REALTIME SKELETON TRACKING with POSENET