https://makezine.com/article/technology/computers-mobile/freetrack-an-open-source-head-track/
FreeTrack, an open source head-tracking program - Make:
Jul 22, 2010 - FreeTrack is an open-source head tracking program for Windows.
open sourcehead trackingfreetrackprogrammake
https://www.streetdirectory.com/travel_guide/54145/performance_cars/seat_altea_freetrack_prototype_in_detail.html
Seat Altea Freetrack Prototype in Detail
The concept car also comes with SEATs Multi Driving Concept MDC, allowing the vehicle to have the capability to switch from MPV Multi Purpose Vehicle mode to...
seat altea freetrackprototypedetail