Digital content interaction in 3D environments

With the widespread use of sensors able to track human motions and gestures, natural interactions are becoming pervasive in many application contexts. The design of such interactions depends on the precision of the tracking device as well as on the background of the user and his/her level of confidence in such technologies. In this paper, we present a set of 3D interaction techniques where the user does not need to wear any additional device for hand tracking, and they can interact in the virtual environment with his/her bare hands directly. The usability and the naturalness of the proposed interaction have been tested on a case study where users interact with a steam generator for training purposes. (Abstract)