SOSIS: infrared ocean simulation package with target interactions

Jon W. Harris; Wayne D. Williams

doi:10.1117/12.151045

13 August 1993 SOSIS: infrared ocean simulation package with target interactions

Jon W. Harris, Wayne D. Williams

Proceedings Volume 1967, Characterization, Propagation, and Simulation of Sources and Backgrounds III; (1993) https://doi.org/10.1117/12.151045
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

ERIM has developed a highly accurate method of simulating ocean backgrounds and targets in the infrared called Ship and Ocean Surface Image Simulation (SOSIS). This package provides realistic IR images of the ocean surface and horizon as a function of sea state, atmospheric conditions, sensor properties, and viewing geometry. SOSIS uses as inputs a thermal target model, an ocean surface model, and an environmental model. It samples these three models using a system of ray tracing and rough surface scattering to account for the interactions of the ocean surface, target, and the environment. At each ray-surface intersection, SOSIS takes into account small surface roughness, bi-directional reflection functions (BRDF's), solar glint, and polarization. The imagery from the SOSIS package is used for target signature prediction, weapons design, automatic target recognition (ATR) development, IR search and track (IRST) testing, ocean-horizon signatures, and many other functions.

Citation Download Citation

Jon W. Harris and Wayne D. Williams "SOSIS: infrared ocean simulation package with target interactions", Proc. SPIE 1967, Characterization, Propagation, and Simulation of Sources and Backgrounds III, (13 August 1993); https://doi.org/10.1117/12.151045

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