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Design of Scalable Collaborative Multi-touch Screens

In this work, we are exploring the architectural design (software, hardware, human factors) of large and scalable multi-touch screens. In contrast to desktop and notebook computers, the size and scale of multi-touch systems spans along a much wider range. Therefore, we have designed a flexible process that facilitates the simulation of several important parameters, such as multiple cameras and projectors, as well as a multi-user software toolkit. In addition, to the technical aspect, we are also considering the human factors of multi-touch systems. For this purpose, we have devised a novel multi-user task that facilitates the study of collaborative interaction on a large multi-touch screen. Overall, we have found that the design of multitouch systems requires a broad range of engineering skills, such as hardware, software, and human factors. ACM Classification