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Supporting Urban Search & Rescue Mission Planning through Visualization-Based Analysis
Linköpings universitet, Institutionen för teknik och naturvetenskap, Medie- och Informationsteknik. Linköpings universitet, Tekniska högskolan. (Scientific Visualization Group)ORCID-id: 0000-0002-2849-6146
Linköpings universitet, Institutionen för datavetenskap, Artificiell intelligens och integrerade datorsystem. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för teknik och naturvetenskap, Medie- och Informationsteknik. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0001-8862-7331
Linköpings universitet, Institutionen för teknik och naturvetenskap, Medie- och Informationsteknik. Linköpings universitet, Tekniska högskolan.
2014 (engelsk)Inngår i: Proceedings of the Vision, Modeling, and Visualization Conference 2014, Eurographics - European Association for Computer Graphics, 2014Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We propose a visualization system for incident commanders in urban search~\&~rescue scenarios that supports access path planning for post-disaster structures. Utilizing point cloud data acquired from unmanned robots, we provide methods for assessment of automatically generated paths. As data uncertainty and a priori unknown information make fully automated systems impractical, we present a set of viable access paths, based on varying risk factors, in a 3D environment combined with the visual analysis tools enabling informed decisions and trade-offs. Based on these decisions, a responder is guided along the path by the incident commander, who can interactively annotate and reevaluate the acquired point cloud to react to the dynamics of the situation. We describe design considerations for our system, technical realizations, and discuss the results of an expert evaluation.

sted, utgiver, år, opplag, sider
Eurographics - European Association for Computer Graphics, 2014.
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-117772DOI: 10.2312/vmv.20141275ISBN: 978-3-905674-74-3 (tryckt)OAI: oai:DiVA.org:liu-117772DiVA, id: diva2:810810
Konferanse
Vision, Modeling, and Visualization
Prosjekter
ELLIIT; VR; SeRC
Forskningsfinansiär
ELLIIT - The Linköping‐Lund Initiative on IT and Mobile CommunicationsSwedish e‐Science Research CenterSwedish Research Council, 2011-4113Tilgjengelig fra: 2015-05-08 Laget: 2015-05-08 Sist oppdatert: 2018-05-21bibliografisk kontrollert
Inngår i avhandling
1. Tailoring visualization applications for tasks and users
Åpne denne publikasjonen i ny fane eller vindu >>Tailoring visualization applications for tasks and users
2018 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Exponential increases in available computational resources over the recent decades have fueled an information explosion in almost every scientific field. This has led to a societal change shifting from an information-poor research environment to an over-abundance of information. As many of these cases involve too much information to directly comprehend, visualization proves to be an effective tool to gain insight into these large datasets. While visualization has been used since the beginning of mankind, its importance is only increasing as the exponential information growth widens the difference between the amount of gathered data and the relatively constant human ability to ingest information. Visualization, as a methodology and tool of transforming complex data into an intuitive visual representation can leverage the combined computational resources and the human cognitive capabilities in order to mitigate this growing discrepancy.

A large portion of visualization research is, directly or indirectly, targets users in an application domain, such as medicine, biology, physics, or others. Applied research is aimed at the creation of visualization applications or systems that solve a specific problem within the domain. Combining prior research and applying it to a concrete problem enables the possibility to compare and determine the usability and usefulness of existing visualization techniques. These applications can only be effective when the domain experts are closely involved in the design process, leading to an iterative workflow that informs its form and function. These visualization solutions can be separated into three categories: Exploration, in which users perform an initial study of data, Analysis, in which an established technique is repeatedly applied to a large number of datasets, and Communication in which findings are published to a wider public audience.

This thesis presents five examples of application development in finite element modeling, medicine, urban search & rescue, and astronomy and astrophysics. For the finite element modeling, an exploration tool for simulations of stress tensors in a human heart uses a compression method to achieve interactive frame rates. In the medical domain, an analysis system aimed at guiding surgeons during Deep Brain Stimulation interventions fuses multiple modalities in order to improve their outcome. A second analysis application is targeted at the Urban Search & Rescue community supporting the extraction of injured victims and enabling a more sophisticated decision making strategy. For the astronomical domain, first, an exploration application enables the analysis of time-varying volumetric plasma simulations to improving these simulations and thus better predict space weather. A final system focusses on combining all three categories into a single application that enables the same tools to be used for Exploration, Analysis, and Communication, thus requiring the handling of large coordinate systems, and high-fidelity rendering of planetary surfaces and spacecraft operations.

sted, utgiver, år, opplag, sider
Linköping: Linköping University Electronic Press, 2018. s. 87
Serie
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 1940
HSV kategori
Identifikatorer
urn:nbn:se:liu:diva-147975 (URN)10.3384/diss.diva-147975 (DOI)9789176852910 (ISBN)
Disputas
2018-06-15, Domteatern, Visualiseringscenter C, Kungsgatan 54, Campus Norrköping, Norrköping, 08:00 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2018-05-21 Laget: 2018-05-21 Sist oppdatert: 2019-09-26bibliografisk kontrollert

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