Research on hyperspectral dynamic infrared scene simulation technology

Jun Wang; Yu Hu; Na Ding; Kefeng Sun; Dandan Sun; Junhu Xie; Wenli Wu; Jiaobo Gao

doi:10.1117/12.2076007

19 February 2015 Research on hyperspectral dynamic infrared scene simulation technology

Jun Wang, Yu Hu, Na Ding, Kefeng Sun, Dandan Sun, Junhu Xie, Wenli Wu, Jiaobo Gao

Proceedings Volume 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014); 94490V (2015) https://doi.org/10.1117/12.2076007
Event: The International Conference on Photonics and Optical Engineering and the Annual West China Photonics Conference (icPOE 2014), 2014, Xi'an, China

Abstract

The paper presents a hardware in loop dynamic IR scene simulation technology for IR hyperspectral imaging system. Along with fleetly development of new type EO detecting, remote sensing and hyperspectral imaging technique, not only static parameters’ calibration of hyperspectral IR imaging system but also dynamic parameters’ testing and evaluation are required, thus hyperspectral dynamic IR simulation and evaluation become more and more important. Hyperspectral dynamic IR scene projector utilizes hyperspectral space and time domain features controlling spectrum and time synchronously to realize hardware in loop simulation. Hyperspectral IR target and background simulating image can be gained by the accomplishment of 3D model and IR characteristic romancing, hyperspectral dynamic IR scene is produced by image converting device. The main parameters of a developed hyperspectral dynamic IR scene projector: wave band range is 3~5μm, 8~12μm; Field of View (FOV) is 8°; spatial resolution is 1024×768; spectrum resolution is 1%~2%. IR source and simulating scene features should be consistent with spectrum characters of target, and different spectrum channel’s images can be gotten from calibration. A hyperspectral imaging system splits light with dispersing type grating, pushbrooms and collects the output signal of dynamic IR scene projector. With hyperspectral scene spectrum modeling, IR features romancing, atmosphere transmission feature modeling and IR scene projecting, target and scene in outfield can be simulated ideally, simulation and evaluation of IR hyperspectral imaging system’s dynamic features are accomplished in laboratory.

Citation Download Citation

Jun Wang, Yu Hu, Na Ding, Kefeng Sun, Dandan Sun, Junhu Xie, Wenli Wu, and Jiaobo Gao "Research on hyperspectral dynamic infrared scene simulation technology", Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94490V (19 February 2015); https://doi.org/10.1117/12.2076007

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KEYWORDS

Infrared imaging

Imaging systems

Hyperspectral simulation

Hyperspectral imaging

Thermography

Projection systems

Atmospheric modeling

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