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.

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...

Requirements

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