Interactive Camera-Projector System
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** [http://www.mine-control.com/go.html LaserGo allows playing Go using a laser-pointer] | ** [http://www.mine-control.com/go.html LaserGo allows playing Go using a laser-pointer] | ||
** [http://www.echalk.de/ E-Chalk project] | ** [http://www.echalk.de/ E-Chalk project] | ||
+ | ** [http://icampus.mit.edu/MagicPaper/ MIT iCampus: Magic Paper] | ||
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[[Category:Fun-Projects]] | [[Category:Fun-Projects]] |
Revision as of 12:27, 10 October 2006
Contents |
Camera-Projector System
Application
A software for camera-projector interaction was developed by Juan Roldan and Ushakiran Soutapalli at the Microsystem & Machine Vision Laboratory (MMVL) at Sheffield Hallam University, UK.
The software makes use of a low cost off-the shelf webcam that is calibrated against a standard projector screen. The webcam is used to determine the position of physical pointer (e.g. a pen) which is then used to virtually move the X11 pointer. Point-and-click functionality has also been implemented.
The vision system uses the Mimas real-time computer vision toolkit developed by the MMVL.
How it works
Mouse clicks
The standard deviation of a few recent mouse-positions is used as a criterion, wether the mouse is stationary or moving. If the mouse is stationary, a mouse click is issued.
Future Work
- More different mouseevents
- KDE-miniprogram with configuration wizard
- give feedback for setting up the camera
- allow calibration of the system
- support acquisition of a reference image for improved pointer-detection (using colour-segmentation)
Gallery
Downloads
You first need to install the 4th unofficial release of Mimas-2.0 (28 MByte) of the Mimas Real-Time Computer Vision Library to be able to compile and run version 1.4 of the interactive software (229 kByte).
See Also
External Links
- The interactive camera-projector system at google video
- References
- Other projects