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Authors: B. Kottler ; E. Burkard ; D. Bulatov and L. Haraké

Affiliation: Department of Scene Analysis, Fraunhofer Institute of Optronics, System Technologies and Image Exploitation (IOSB), 76275 Ettlingen and Germany

ISBN: 978-989-758-354-4

ISSN: 2184-4321

Keyword(s): Physics-Based, Thermal Infrared, Heat Simulation, Heat Transfer Modeling, Finite Volume Method.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Modeling and Algorithms ; Modeling of Natural Scenes and Phenomena ; Physics-Based Modeling ; Scene and Object Modeling

Abstract: Rendering large scenes in the thermal infrared spectrum requires the knowledge of the surface temperature distribution. We developed a workflow starting from raw airborne sensor data yielding to a physically-based thermal simulation, which can be used for rendering in the infrared spectrum. The workflow consists of four steps: material classification, mesh generation, material parameter assignment, and thermal simulation. This paper concerns the heat transfer simulation of large scenes. Our thermal model includes the heat transfer types radiation, convection, and conduction in three dimensions within the object and with its environment, i.e. sun and sky in particular. We show that our model can be solved by finite volume method and it shows good agreement with experimental data of the CUBI object. We demonstrate our workflow for sensor data from the City of Melville and produce reasonable results compared to infrared sensor data. For the large scene, the temperature simulation finishe d in appropriate time of 252 sec. for five day-night cycles. (More)

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Paper citation in several formats:
Kottler, B.; Burkard, E.; Bulatov, D. and Haraké, L. (2019). Physically-based Thermal Simulation of Large Scenes for Infrared Imaging.In Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 1 GRAPP: GRAPP, ISBN 978-989-758-354-4, ISSN 2184-4321, pages 53-64. DOI: 10.5220/0007351400530064

@conference{grapp19,
author={Kottler, B. and E. Burkard. and D. Bulatov. and L. Haraké.},
title={Physically-based Thermal Simulation of Large Scenes for Infrared Imaging},
booktitle={Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 1 GRAPP: GRAPP,},
year={2019},
pages={53-64},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007351400530064},
isbn={978-989-758-354-4},
}

TY - CONF

JO - Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 1 GRAPP: GRAPP,
TI - Physically-based Thermal Simulation of Large Scenes for Infrared Imaging
SN - 978-989-758-354-4
AU - Kottler, B.
AU - Burkard, E.
AU - Bulatov, D.
AU - Haraké, L.
PY - 2019
SP - 53
EP - 64
DO - 10.5220/0007351400530064

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