Abstract
There is a continuous and increasing demand for solutions, both software and hardware-based, that are able to productively handle underground utilities geospatial data. Innovative approaches that are based on the use of the European GNSS, Galileo and EGNOS, sensor technologies and LBS, are able to monitor, document and manage utility infrastructures’ data with an intuitive 3D augmented visualisation and navigation/positioning technology. A software and hardware-based system called LARA, currently under develop- ment through a H2020 co-funded project, aims at meeting that demand. The concept of LARA is to integrate the different innovative components of existing technologies in order to design and develop an integrated navigation/positioning and information system which coordinates GNSS, AR, 3D GIS and geodatabases on a mobile platform for monitoring, documenting and managing utility infrastruc- tures on-site. The LARA system will guide utility field workers to locate the working area by helping them see beneath the ground, rendering the complexity of the 3D models of the underground grid such as water, gas and electricity. The capacity and benefits of LARA are scheduled to be tested in two case studies located in Greece and the United Kingdom with various underground utilities. The paper aspires to present the first results from this initiative. The project leading to this application has received funding from the European GNSS Agency under the European Union’s Horizon 2020 research and innovation programme under grant agreement No 641460.
Highlights
Geographic Information System (GIS) is an important tool for managing and visualising geospatial data
The link between virtual objects and real world is in most cases the proper and seamless positioning of the virtual objects in 3D in the real scene, which implies that the exact position and orientation of the user’s eye or of the used video camera - has to be computed in real time to generate Augmented reality (AR) content
Recent methods such as simultaneous position and mapping (SPAM) (e.g. PTAM (Klein and Murray, 2007)) attempt to compute the camera pose without knowledge of the underlying scene, but for AR they require an initialisation with a known reference
Summary
GIS is an important tool for managing and visualising geospatial data. A current trend in Geographic Information Sciences is the development of integrated geospatial data infrastructures, which unite geographically and semantically disperse national geodatabases. The EU-funded pilot project HUMBOLDT (HUMBOLDT, 2016) is a real test implementation of the standards defined in this directive Another related EU project, is ORCHESTRA (ORCHESTRA, 2016), which provides a framework for field data management, services for sensor access, visualisation, user-authentication and management, format conversion, coordinate transformation etc. An exhaustive review on the state of the art of the different technologies employed is attempted and the LARA project integration framework is presented providing useful insights on methods, interoperability requirements and on site validation test beds.
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