Article (Scientific journals)
Interpreting Thermal 3D Models of Indoor Environments for Energy Efficiency
Demisse, Girum; Borrman, Dorit; Nuchter, Andreas
2014In Journal of Intelligent and Robotic Systems
Peer reviewed
 

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Keywords :
3D Thermal modelling; Eneregy efficiency; Window labeling
Abstract :
[en] In recent years 3D models of buildings are used in maintenance and inspection, preservation, and other building related applications. However, the usage of these models is limited because most models are pure representations with no or little associated semantics. In this paper we present a pipeline of techniques used for interior interpretation, object detection, and adding energy related semantics to windows of a 3D thermal model. A sequence of algorithms is presented for building the fundamental semantics of a 3D model. Among other things, these algorithms enable the system to differentiate between objects in a room and objects that are part of the room, e.g. floor, windows. Subsequently, the thermal information is used to construct a stochastic mathematical model - namely Markov Random Field - of the temperature distribution of the detected windows. As a result, the MAP (Maximum a posteriori) framework is used to further label the windows as either open, closed or damaged based upon their temperature distribution. The experimental results showed the robustness of the techniques. Furthermore, a strategy to optimize the free parameters is described, in cases where there is ample training dataset.
Disciplines :
Computer science
Author, co-author :
Demisse, Girum ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Borrman, Dorit;  University of Wurzburg > Robotics and Telematics
Nuchter, Andreas;  University of Wurzburg > Robotics and Telematics
Language :
English
Title :
Interpreting Thermal 3D Models of Indoor Environments for Energy Efficiency
Publication date :
26 August 2014
Journal title :
Journal of Intelligent and Robotic Systems
ISSN :
0921-0296
Publisher :
Springer
Peer reviewed :
Peer reviewed
Available on ORBilu :
since 23 September 2014

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