Abstract— In this study, we propose an interaction method for 3D voxel based modeling in immersive virtual environments. We assumed that all tasks must be NUI (Natural User Interface) based interactions, rather than using conventional input devices like keyboard or mouse. To see the usefulness of our proposed interaction methods, we have created an immersive virtual reality application that can interact with three-dimensional objects using only hands and arms. The modeling process requires interactions for two types of tasks. One group is the menu selection and control tasks, and the other is the manipulation tasks for voxels. We have defined motion interactions that are appropriate for each task so that all actions are possible only with hands and arms. In order to confirm how effective the proposed methods are, we have produced various shapes of 3d objects. Based on the results, we investigated the possibility of NUI based interactions proposed in this study.
Keywords— NUI (Natural User Interface), HMD (Head Mounted Display), immersive, 3d modeling.
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