Interactive Camera-Projector System
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=Camera-Projector System= | =Camera-Projector System= | ||
==Application== | ==Application== | ||
| − | A software for camera-projector interaction was developed by ''Juan Roldan'' at the [[MMVL|Microsystem & Machine Vision Laboratory (MMVL)]] at [http://www.shu.ac.uk Sheffield Hallam University, UK] | + | A software for camera-projector interaction was developed by ''Juan Roldan'' at the [[MMVL|Microsystem & Machine Vision Laboratory (MMVL)]] at [http://www.shu.ac.uk 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 software makes use of a low cost off-the shelf webcam that is [[Mimas Camera Calibration|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|Mimas real-time computer vision toolkit]] developed by the MMVL. | + | The vision system uses the [[Mimas|Mimas real-time computer vision toolkit]] developed by the [[MMVL]]. |
==How it works== | ==How it works== | ||
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==Downloads== | ==Downloads== | ||
| − | + | [[Image:New.gif]] You first need to install the [http://vision.eng.shu.ac.uk/jan/mimas/mimas-2.0unofficial4.tar.bz2 4th unofficial release of Mimas-2.0] (28 MByte) of the [[Mimas|Mimas Real-Time Computer Vision Library]] to be able to compile and run [http://vision.eng.shu.ac.uk/jan/interactive-1.4.tar.bz2 version 1.4 of the interactive software] (229 kByte). | |
=See Also= | =See Also= | ||
Revision as of 10:31, 18 July 2006
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Contents |
Camera-Projector System
Application
A software for camera-projector interaction was developed by Juan Roldan 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
Gallery
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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).
