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Proceedings Paper

3D rendering of passive millimeter-wave scenes using modified open source software
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Paper Abstract

As millimeter-wave imaging technology becomes more mature, several applications are emerging for which this technology may be useful. However, effectively predicting the nuances of millimeter-wave phenomenology on the usefulness for a given application remains a challenge. To this end, an accurate millimeter-wave scene simulator would have tremendous value in predicting imager requirements for a given application. Herein, we present a passive millimeter-wave scene simulator built on the open-source 3d modeling software Blender. We describe the changes made to the Blender rendering engine to make it suitable for this purpose, including physically accurate reflections at each material interface, volumetric absorption and scattering, and tracking of both s and p polarizations. In addition, we have incorporated a mmW material database and world model that emulates the effects of cold sky profiles for varying weather conditions and frequencies of operation. The images produced by this model have been validated against calibrated experimental imagery captured by a passive scanning millimeter-wave imager for maritime, desert, and standoff detection applications.

Paper Details

Date Published: 26 May 2011
PDF: 8 pages
Proc. SPIE 8022, Passive Millimeter-Wave Imaging Technology XIV, 80220B (26 May 2011); doi: 10.1117/12.884240
Show Author Affiliations
Maciej Murakowski, Univ. of Delaware (United States)
John Wilson, Univ. of Delaware (United States)
Janusz Murakowski, Univ. of Delaware (United States)
Garrett Schneider, Univ. of Delaware (United States)
Christopher Schuetz, Phase Sensitive Innovations, Inc. (United States)
Dennis Prather, Univ. of Delaware (United States)

Published in SPIE Proceedings Vol. 8022:
Passive Millimeter-Wave Imaging Technology XIV
David A. Wikner; Arttu R. Luukanen, Editor(s)

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