Infrared scene capabilities of SHIPIR

David A. Vaitekunas; Owen E. Lawrence

doi:10.1117/12.352937

14 July 1999 Infrared scene capabilities of SHIPIR

David A. Vaitekunas, Owen E. Lawrence

Proceedings Volume 3699, Targets and Backgrounds: Characterization and Representation V; (1999) https://doi.org/10.1117/12.352937
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

A signature model called SHIPIR was developed by W. R. Davis Engineering Ltd (DAVIS) and the Defence Research Establishment Valcartier (DREV). The IR scene component of the model incorporates a full-hemispherical background, the ability to define multiple ship targets, each with their own exhaust plume and flare decoy deployments, and an interactive engagement simulation with an IR observer or seeker model. The model runs on an entry-level Silicon Graphics (SGI) workstation. The program relies on the color image display for both signature analysis and to drive the engagement model. To achieve reasonable refresh rates and meet the necessary image resolution requirements, a unique set of display routines had to be devised to enhance the basic capabilities of the OpenGL graphics library. These routines, which include a multiple clipping plane algorithm, sub-image analysis, transparent plume-gas rendering, and automatic threshold detection, are described. Methods for predicting and assessing the image accuracy of a generic ship model are presented. Shortcomings of running the software on an Intel-based PC are also discussed.

Citation Download Citation

David A. Vaitekunas and Owen E. Lawrence "Infrared scene capabilities of SHIPIR", Proc. SPIE 3699, Targets and Backgrounds: Characterization and Representation V, (14 July 1999); https://doi.org/10.1117/12.352937

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