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Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Proceedings of the 24th annual ACM symposium on User interface software and technology
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This paper proposes the "Substitute Interface" to utilize the flat surfaces of objects around us as part of an ad hoc mobile device. The substitute interface is established by the combination of wearable devices such as a head-mounted display with camera and a ring-type microphone. The camera recognizes which object the user intends to employ. When the user picks up and taps the object, such as a notebook, a virtual display is overlaid on the object, and the user can operate the ad hoc mobile device as if the object were part of the device. Display size can be changed easily by selecting a larger object. The user's pointing/selection action is recognized by the combination of the camera and the ring-type microphone. We first investigate the usage scene of tablet devices and create a prototype that can operate as a tablet device. Experiments on the prototype confirm that the proposal functions as intended.