Generation of synthetic celestial imagery in the visible and infrared bands

Duncan L. Hickman; Moira I. Smith; Jae-Wan Lim; Yun-Ho Jeon

doi:10.1117/12.2325328

9 October 2018 Generation of synthetic celestial imagery in the visible and infrared bands

Duncan L. Hickman, Moira I. Smith, Jae-Wan Lim, Yun-Ho Jeon

Proceedings Volume 10795, Electro-Optical and Infrared Systems: Technology and Applications XV; 107950L (2018) https://doi.org/10.1117/12.2325328
Event: SPIE Security + Defence, 2018, Berlin, Germany

Abstract

Celestial image backgrounds are relevant to many upward-looking sensors, particularly those operating at altitudes where the presence of clouds is minimal, and the absorption of the atmosphere is negligible. In this paper, a method is presented for the generation of synthetic celestial background imagery. For the determination of star and planet signatures, the technique uses third party databases with the underlying assumption that the various spectra follow Planck’s blackbody spectral distribution. An Image Generation Tool (IGT) has been developed to create synthetic celestial imagery within any spectral band and for any imaging sensor. The approach taken within the IGT provides a fast and efficient approach for image generation which makes the technique viable for both single frame and image-sequence generation. Example image data is presented for the MWIR spectral band (3-5μm) and the effects of noise and image blur are examined. It is shown that the cooler, brighter stars can exceed practical noise-levels in the MWIR, leading to potential false-alarm signatures.

Conference Presentation

Citation Download Citation

Duncan L. Hickman, Moira I. Smith, Jae-Wan Lim, and Yun-Ho Jeon "Generation of synthetic celestial imagery in the visible and infrared bands", Proc. SPIE 10795, Electro-Optical and Infrared Systems: Technology and Applications XV, 107950L (9 October 2018); https://doi.org/10.1117/12.2325328

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