Calibration of Earth observing spectral imagers vicariously and with a controlled ground-based array (Conference Presentation)

Marsha Fox; R. Sundberg; R. Shroll; M. Stark; J. Grassi; M. Kogan; N. Goldstein; B. Tannian; B. St. Peter; C. Garms; P. Corlies; J. Gelbord

doi:10.1117/12.3031403

3 October 2024 Calibration of Earth observing spectral imagers vicariously and with a controlled ground-based array (Conference Presentation)

Marsha Fox, R. Sundberg, R. Shroll, M. Stark, J. Grassi, M. Kogan, N. Goldstein, B. Tannian, B. St. Peter, C. Garms, P. Corlies, J. Gelbord

Author Affiliations +

Proceedings Volume 13143, Earth Observing Systems XXIX; 131430U (2024) https://doi.org/10.1117/12.3031403
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Abstract

Two recent projects at Spectral Sciences Inc. share the goal of improving the calibration of overhead optical sensors. In the first, we have developed a vicarious calibration method that utilizes our MODTRAN software, a recognized standard for atmospheric radiative transport modeling along with contemporaneous satellite measurements from known sensors, to retrieve top-of-atmosphere radiance and subsequent band integrations provide calibration constants. In the second, we are developing a new thermally controlled array of spectrally characterized panels to support accurate calibration of imagers in the visible through long wavelength infrared (LWIR). Progress and results of both efforts will be described.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Marsha Fox, R. Sundberg, R. Shroll, M. Stark, J. Grassi, M. Kogan, N. Goldstein, B. Tannian, B. St. Peter, C. Garms, P. Corlies, and J. Gelbord "Calibration of Earth observing spectral imagers vicariously and with a controlled ground-based array (Conference Presentation)", Proc. SPIE 13143, Earth Observing Systems XXIX, 131430U (3 October 2024); https://doi.org/10.1117/12.3031403

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KEYWORDS

Calibration

Imaging systems

Imaging arrays

Satellites

Atmospheric modeling

Spectral response

Bidirectional reflectance transmission function

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