User-Elicited Gestural Interaction With Future In-Car Holographic 3D Displays

Holographic 3D displays (H3D) have the potential to expand the interaction space for in-car infotainment systems by providing a larger depth range than other state of the art 3D display technologies. This work explored how non-expert users would interact with non-driving related tasks tailored to H3D visualization. In a gesture-elicitation study, N = 20 participants proposed mid-air gestures for a set of 33 tasks (referents) displayed either within or outside of participants’ reach. In a follow-up reverse-matching study with N = 21 participants, the resulting set of most mentioned gestures was refined. The final gesture set shows that techniques elicited for other 3D technologies are applicable to interaction with future in-car H3D displays.