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  • Last update: 5 years ago
  • Total downloads: 193
  • Operating system: WinXP, WinNT 4.x, WinNT 3.x, Win2000
  • Publisher: Music Technology Group
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windows default iconreacTIVision Publisher's description

reacTIVision is an useful open source, cross-platform computer vision framework.

reacTIVision is an useful open source, cross-platform computer vision framework.

reacTIVision is an useful open source, cross-platform computer vision framework for the robust and fast tracking of fiducial markers in a real-time video stream. It was mainly designed as a toolkit for the rapid development of table-based tangible user interfaces (TUI).

Its tracking core is using Ross Bencina's fidtrack library which is basically a newer high-performance implementation of Enrico Costanza's original d-touch concept. This framework was developed by Martin Kaltenbrunner et.al. at the Music Technology Group, IUA, UPF in Barcelona, Spain as part of the reacTable* project, a novel electro-acoustic musical instrument with a tangible user interface.

reacTIVision is a standalone application, which sends OpenSound Control messages via a UDP network socket to any connected client application. It implements the TUIO protocol, which was specially designed for transmitting the state of tangible objects on a table surface. This framework includes a set of free example client projects for various programming languages, which serve as a base for the easy development of tangible-user interface applications.

The reacTIVision application compiles and runs under the follwing operating systems: Win32, MacOS X and Linux. Under Win32 it suports any camera with a proper WDM driver, such as USB, USB2, FireWire and DV cameras. Equally under MacOS X any such camera supported by QuickTime will work in reacTIVision. Under Linux, FireWire cameras are best supported, as well as a few Video4Linux USB cameras. If you are interested in this video acquisition software, the PortVideo framework is available as a separate component.

What's New in This Release:

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 firewire camera support and configuration on Mac and Linux
improved V4L2 camera support on Linux
on-screen and XML configuration instead of command line options
added MIDI channel selection for note ON events
many minor bug fixes and improvements

System Requirements:

DirectX 9.0,
FireWire or USB Camera
Program Release Status: Minor Update
Program Install Support: Install and Uninstall

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