Extended Reality on-the-move

Smartphones are our ubiquitous companions, and we often use them on the go, which for an increasingly large portion of the world’s population means: when we’re out and about in cities. But the way we interact with smartphones is not well appropriated for mobile urban usage. Augmented—and interestingly, also Virtual—Reality technologies promise to merge the physical and digital experience for our senses; it has the potential to revolutionize the way we interact in and with the cities of the future, and with countless applications. Especially regarding the mobile experience, AR and VR are evolving from two distinct technologies to a continuum. We denote the results of these developments as mobile extended reality (MEX).
As part of the desirable developments, both interaction and immersion must be considerably furthered in order to provide a better user experience along with the analog-digital convergence. Interestingly, a novel approach to 3D models can play a key role in this development, characterized as urban situated models or “3D-plus-time” — or 4D.City for short.
The talk will briefly place the vision of urban MEX interaction in the perspective of the evolution of human-computer interaction (HCI), describe important development steps towards the MEX vision and a number of contributions of the presenter’s research lab to these steps. The novel approach 4D.City will be introduced and the necessary processing pipeline will be discussed along with a report on the state of mastery of the pipeline steps.

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