Generation of realistic IR images of tactical targets in obscured environments

William G. Greenleaf; Sheri M. Siniard; Mary Beth Tait

doi:10.1117/12.45780

1 July 1991 Generation of realistic IR images of tactical targets in obscured environments

William G. Greenleaf, Sheri M. Siniard, Mary Beth Tait

Proceedings Volume 1486, Characterization, Propagation, and Simulation of Sources and Backgrounds; (1991) https://doi.org/10.1117/12.45780
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

The Battlefield Environment Weapon System Simulation (BEWSS) includes battlefield obscurant transport and diffusion models and adverse weather models which can predict transmission over a specified range in the presence of specified meteorological (MET) conditions, obscurant conditions, and scenario geometry. These models are used to generate transmission maps applicable for a particular sensor boresight, resolution, field-of-view (FOV), and spectral bandwidth. In addition, a three-dimensional IR target/background scene is modeled, and perspective views of the target are generated from any viewing geometry. By combining the BEWSS obscurant models with the target/background model, realistic synthetic imagery of an obscured tactical target is generated for use in analyzing night sights and IR seeker/trackers. The unique feature of these images is that they are correlatable to a particular set of assumptions about the target/background temperature, the MET conditions, the obscurant conditions and the IR sensor characteristics. The imagery is displayed on an IRIS 4D-GT Silicon Graphics workstation, and the high-resolution thermal maps are stored for future analysis. The imagery has been animated and stored in video format for use in evaluating seeker/tracker terminal homing performance. This paper presents the BEWSS models employed in developing the computational algorithm, and displays examples of the generated imagery.

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William G. Greenleaf, Sheri M. Siniard, and Mary Beth Tait "Generation of realistic IR images of tactical targets in obscured environments", Proc. SPIE 1486, Characterization, Propagation, and Simulation of Sources and Backgrounds, (1 July 1991); https://doi.org/10.1117/12.45780

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KEYWORDS

3D modeling

Atmospheric modeling

Sensors

Infrared imaging

3D acquisition

Clouds

Eye models

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