FreeTrack is a free, general purpose optical motion tracking application for Microsoft Windows, released under the GNU General Public License. Its main function is inexpensive head tracking in computer games and simulations but can also be used for virtual reality, 3d modeling, computer aided design and general hands-free computing to improve computer accessibility. Tracking is sensitive enough that only small head movements are required so that the user's eyes never leave the screen.

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  • FreeTrack is a free, general purpose optical motion tracking application for Microsoft Windows, released under the GNU General Public License. Its main function is inexpensive head tracking in computer games and simulations but can also be used for virtual reality, 3d modeling, computer aided design and general hands-free computing to improve computer accessibility. Tracking is sensitive enough that only small head movements are required so that the user's eyes never leave the screen. Head motions are tracked with six degrees of freedom (6DOF), specifically; yaw, pitch, roll, left/right, up/down and forward/back. This is done by means of a video capture device, typically a webcam, which is placed in front of the user and tracks a rigid point model headpiece. This point model usually consists of infrared LEDs but can also be normal LEDs and even retroreflective material illuminated by a source of infrared light. The only requirement is that the points can be isolated from background light by means of physical and/or software filters. FreeTrack can output head tracking data to programs directly using TrackIR, SimConnect and FSUIPC interfaces, programs that support these interfaces are regarded as having FreeTrack support. FreeTrack can also emulate mouse, keyboard, and joystick (via PPJoy) if a program does not support a direct interface. FreeTrack is coded in Delphi 7 and uses DirectShow and DirectX. Head tracking is achieved using implementations of DeMenthon's four point iterative pose estimation algorithm (POSIT) and Alter's three point geometric algorithm. (en)
  • FreeTrack est un logiciel libre et gratuit qui permet de contrôler, réellement et directement, les mouvements de la tête avec 6 degrés de liberté et les regards dans les jeux vidéos et simulateurs compatibles, avec sa propre tête. (fr)
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  • 2007-10-05 (xsd:date)
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  • v2.1 (en)
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  • 117 (xsd:integer)
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  • FreeTrack is a free, general purpose optical motion tracking application for Microsoft Windows, released under the GNU General Public License. Its main function is inexpensive head tracking in computer games and simulations but can also be used for virtual reality, 3d modeling, computer aided design and general hands-free computing to improve computer accessibility. Tracking is sensitive enough that only small head movements are required so that the user's eyes never leave the screen. (en)
  • FreeTrack est un logiciel libre et gratuit qui permet de contrôler, réellement et directement, les mouvements de la tête avec 6 degrés de liberté et les regards dans les jeux vidéos et simulateurs compatibles, avec sa propre tête. (fr)
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  • FreeTrack (en)
  • FreeTrack (fr)
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