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Proceedings Paper

Modelling vehicle colour and pattern for multiple deployment environments
Author(s): Eric Liggins; Ian R. Moorhead; Daniel A. Pearce; Christopher J. Baker; William P. Serle
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Paper Abstract

Military land platforms are often deployed around the world in very different climate zones. Procuring vehicles in a large range of camouflage patterns and colour schemes is expensive and may limit the environments in which they can be effectively used. As such this paper reports a modelling approach for use in the optimisation and selection of a colour palette, to support operations in diverse environments and terrains. Three different techniques were considered based upon the differences between vehicle and background in L*a*b* colour space, to predict the optimum (initially single) colour to reduce the vehicle signature in the visible band. Calibrated digital imagery was used as backgrounds and a number of scenes were sampled. The three approaches used, and reported here are a) background averaging behind the vehicle b) background averaging in the area surrounding the vehicle and c) use of the spatial extension to CIE L*a*b*; S-CIELAB (Zhang and Wandell, Society for Information Display Symposium Technical Digest, vol. 27, pp. 731-734, 1996). Results are compared with natural scene colour statistics. The models used showed good agreement in the colour predictions for individual and multiple terrains or climate zones. A further development of the technique examines the effect of different patterns and colour combinations on the S-CIELAB spatial colour difference metric, when scaled for appropriate viewing ranges.

Paper Details

Date Published: 24 October 2016
PDF: 14 pages
Proc. SPIE 9997, Target and Background Signatures II, 99970B (24 October 2016); doi: 10.1117/12.2241641
Show Author Affiliations
Eric Liggins, QinetiQ Ltd. (United Kingdom)
Ian R. Moorhead, sciVision (United Kingdom)
Daniel A. Pearce, QinetiQ Ltd. (United Kingdom)
Christopher J. Baker, QinetiQ Ltd. (United Kingdom)
William P. Serle, Defence Science and Technology Lab. (United Kingdom)

Published in SPIE Proceedings Vol. 9997:
Target and Background Signatures II
Karin U. Stein; Ric H. M. A. Schleijpen, Editor(s)

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