Interactions In the Air
This project explored several interaction techniques that allow for richer human computer interaction more akin to the flexible and continuous ways in which we manipulate objects in the real world. A model for more natural interactions with 3D data on interactive surfaces is introduced.
Because the interaction – the sensed input and the displayed output – is still bound to the surface, there is a fundamental limitation in manipulating objects using the third dimension. To address this issue, we proposed a novel approach to creating a continuous interaction space – on the surface and above the surface – conceptually allowing users to pick objects off the surface and manipulate their position in 3D as if it were a real object. We present several ways to enable “in-the-air” interactions that allow users to interact with 3D data (rendered on a 2D display) in a as-direct-as possible fashion. This approach utilizes several interesting hardware and software components such as a switchable diffuser, infrared illumination, IR-based depth estimation, holographic projection screens and a depth-sensing camera.
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