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reacTIVision is a computer vision application framework for the fast and robust tracking of markers attached on physical objects, and the creation of multi-touch surfaces. It was designed for the rapid development of table-based tangible user interfaces such as the reactable.

What's New

Version 1.4:
  • increased standard set of 108x2 fiducials
  • additional small set of 12*2 fiducials
  • improved fiducial rendering (smaller footprint & better proportions)
  • finger blob tracking, with on screen setup (F key)
  • improved and more robust fiducial tracking (with secondary blob tracking)
  • improved calibration precision
  • improved DC1394 camera support and configuration
  • on-screen and more...


Mac OS X 10.3.9 or later, FireWire or USB Camera.

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Current Version (1.x)


Downloads 6,001
Version Downloads 1,785
License Free
Date 19 May 2009
Platform OS X / PPC 32 / Intel 32
Price Free
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