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Evaluating the Usability of Recent Consumer-Grade 3D Input Devices

Recently, 3D input devices such as the Microsoft Kinect sensor or the Leap Motion controller became increasingly popular – the later specialized in recognizing hand-gestures, advertising a very precise localization of tools and fingers. Such devices promise to enable a touchless interaction with the computer in three-dimensional space enabling the design of entirely new user interfaces for natural 3D-modeling. However, while implementing a modeling application we found that there are still fundamental problems that can not easily be solved: The lack of a precise and atomic gesture for enabling and disabling interaction (clicking gesture) and a poor human depth perception and localization within an invisible coordinate frame. In this paper, we show why the precision of the interaction is not limited by hardware but software constraints.

 

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