Abstract
Interaction for Handheld Augmented Reality (HAR) is a challenging research topic because of the small screen display and limited input options. Although 2D touch screen input is widely used, 3D gesture interaction is a suggested alternative input method. Recent 3D gesture interaction research mainly focuses on using RGB-Depth cameras to detect the spatial position and pose of fingers, using this data for virtual object manipulations in the AR scene. In this paper we review previous 3D gesture research on handheld interaction metaphors for HAR. We present their novelties as well as limitations, and discuss future research directions of 3D gesture interaction for HAR. Our results indicate that 3D gesture input on HAR is a potential interaction method for assisting a user in many tasks such as in education, urban simulation and 3D games.
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