FLATIR: FTIR multi-touch detection on a discrete distributed sensor array
Proceedings of the 3rd International Conference on Tangible and Embedded Interaction
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In this paper a new way of converting the existing single touch systems to multi-touch using the metaphor of persistence of vision is presented. Multi-touch has always been exciting than the conventional single touch. It enables user to interact with the system in a more natural way as in the real world. Some of the applications like the picture browser in Apple's i-phone where the user can zoom in and zoom out of a picture using two fingers or the Microsoft's Touch wall where the user can use his hands to interact with more than a single object on the screen are more fun to use than the conventional way of using a mouse pointer to browse through the photos or interact with the icons on the computer's desktop by clicking. Multi-touch also gives the feel as if the user is dealing with the objects on the computer screen as they were objects placed on a desk in the real world.