Virtual Mouse

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Provided by: International Journal of Engineering and Innovative Technology (IJEIT)
Topic: Hardware
Format: PDF
In this paper, the authors present an approach for transforming normal LCD into touch screen. This will be done by using single Web cam which will be filming the LCD and detecting motion. That motion will then be transformed into adequate action like pressing left mouse button or emulating double left click. Application works by mapping Web Cam coordinates into LCD coordinates. This means that when Web cam detects motion it knows its coordinates inside the image it has taken. Those coordinates are then transformed into LCD coordinates by using set of pre-calculated coordinates of the dots which are displayed during initialization phase.
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