Mixed Reality Browsers and Pedestrian Navigation in Augmented Cities

Jacques Lemordant 1 Thibaud Michel 1 Mathieu Razafinahazo 1
1 TYREX - Types and Reasoning for the Web
Inria Grenoble - Rhône-Alpes, LIG - Laboratoire d'Informatique de Grenoble
Abstract : In this paper, We use a declarative format for positional audio with synchronization between audio chunks using SMIL. This format has been specifically designed for the type of audio used in AR applications. The audio engine associated to this format is running on mobile platforms (iOS, Android). Our MRB browser called IXE use a format based on volunteered geographic information (OpenStreetMap) and OSM documents for IXE can be fully authored in side OSM editors like JOSM. This is in contrast with the other AR browsers like Layar, Juniao, Wikitude, which use a Point of Interest (POI) based format having no notion of ways. This introduces a fundamental difference and in some senses a duality relation between IXE and the other AR browsers. In IXE, Augmented Virtuality (AV) navigation along a route (composed of ways) is central and AR interaction with objects is delegated to associate 3D activities. In AR browsers, navigation along a route is delegated to associated map activities and AR interaction with objects is central. IXE supports multiple tracking technologies and therefore allows both indoor navigation in buildings and outdoor navigation at the level of sidewalks. A first android version of the IXE browser will be released at the end of 2013. Being based on volunteered geographic it will allow building accessible pedestrian networks in augmented cities.
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https://hal.inria.fr/hal-00872721
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Jacques Lemordant, Thibaud Michel, Mathieu Razafinahazo. Mixed Reality Browsers and Pedestrian Navigation in Augmented Cities. The Graphical Web Conference, Oct 2013, San Francisco, United States. ⟨hal-00872721⟩

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