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Publications

Displaying Items 1 - 25 of 68

2025

Wu, A. , Xiong, X. , Twedt, K. , Geng, X.
(2025). Tracking MODIS RVS for the reflective solar bands in drifting orbits using SNO with VIIRS. Proc. SPIE 13267, Earth Observing Missions and Sensors: Development, Implementation, and Characterization VI, 132670D. 10.1117/12.3040232.

2024

McBride, B , Twedt, K. , Wu, A. , Geng, X. , Xiong, X.
(2024). Improved characterization of Dome Concordia for tracking calibration changes in MODIS reflective solar bands. Proc. SPIE 13192, Sensors, Systems, and Next-Generation Satellites XXVIII, 1319210. 10.1117/12.3031740.

2023

Angal, A. , Xiong, X. , Twedt, K. , Chang, T. , Geng, X. , Aldoretta, E. , Perez Diaz, C.
(2023). Status of the Terra and Aqua MODIS Collection 7 L1B. IEEE 2023 International Geoscience & Remote Sensing Symposium, 4466-4469. 10.1109/IGARSS52108.2023.10283303.
Twedt, K. , Xiong, X. , Geng, X. , Wilson, T. , Mu, Q.
(2023). Impact of satellite orbit drift on MODIS Earth scene observations used in calibration of the reflective solar bands. Proc. SPIE 12685, Earth Observing Systems XXVIII, 126850O. 10.1117/12.2676873.
Xiong, X. , Angal, A. , Chang, T. , Aldoretta, E. , Geng, X. , Link, D. , Sun, J. , Twedt, K. , Wu, A.
(2023). Aqua MODIS: 20 years of on-orbit calibration and performance. Journal of Applied Remote Sensing, 17(3), 037501. 10.1117/1.JRS.17.037501.

2022

Angal, A. , Xiong, X. , Chang, T. , Twedt, K. , Geng, X. , Wu, A. , Aldoretta, E.
(2022). Terra and Aqua MODIS collection 7 level 1B algorithm. Journal of Applied Remote Sensing, 16(3), Article 037502. 10.1117/1.JRS.16.037502.
Mu, Q. , Xiong, X. , Twedt, K. , Angal, A. , Geng, X.
(2022). Characterization of the on-orbit response versus scan angle for Terra MODIS SWIR bands in Collection 7. 16 (2), Article 024520.
Twedt, K. , Henderson, S. , Xiong, X. , Angal, A. , Geng, X.
(2022). Nonlinear Detector Response of Aqua MODIS Land Imaging Bands. IEEE Transactions on Geoscience and Remote Sensing, 60(5403310), 1-10.
Wilson, T. , Angal, A. , Sun, J. , Geng, X. , Xiong, X.
(2022). Lunar calibration enhancements for MODIS collection 7. Proc. SPIE 12232, Earth Observing Systems XXVII, 122320C. 10.1117/12.2633409.

2021

Twedt, K. , Aldoretta, E. , Angal, A. , Chen, H. , Geng, X. , Li, Y. , Mu, Q. , Vermeesch, K. , Xiong, X.
(2021). MODIS reflective solar bands calibration improvements for Collection 7. Proc. SPIE 11858, Sensors, Systems, and Next-Generation Satellites XXV, 118580S.
Vermeesch, K. , Geng, X. , Chen, N.
(2021). Status of the moderate-resolution imaging spectroradiometer level 1B algorithm. Proc. SPIE - Algorithms, Technologies, and Applications for Multispectral and Hyperspectral Imaging XXVII, 11727, 117270H.

2020

Angal, A. , Geng, X. , Xiong, X. , Twedt, K. , Wu, A. , Link, D. , Aldoretta, E.
(2020). On-Orbit Calibration of Terra MODIS VIS Bands Using Polarization-Corrected Desert Observations. IEEE Transactions on Geoscience and Remote Sensing, 58(8), 5428-5439.
Wilson, T. , Aldoretta, E. , Angal, A. , Geng, X. , Twedt, K. , Xiong, X.
(2020). Analysis of the on-orbit responseversus-scan-angle for the MODIS SWIR bands derived from lunar observations. Proc. of SPIE - Sensors, Systems, and Next-Generation Satellites XXIV, 11530, 115301E. 10.1117/12.2572877.
Xiong, X. , Aldoretta, E. , Angal, A. , Chang, T. , Geng, X. , Link, D. , Salomonson, V. , Twedt, K. , Wu, A.
(2020). Terra MODIS: 20 years of on-orbit calibration and performance. Journal of Applied Remote Sensing, 14(3), 037501.

2019

Geng, X. , Angal, A. , Li, Y. , Twedt, K. , Xiong, X.
(2019). Improvements in the on-orbit response versus scan-angle characterization for the MODIS ocean color bands. Proc. SPIE 11151, Sensors, Systems, andNext-Generation Satellites XXIII,
Keller, G. , Wilson, T. , Geng, X. , Wu, A. , Wang, Z. , Xiong, X.
(2019). Aqua MODIS Electronic Crosstalk Survey: Mid-Wave Infrared Bands. IEEE Transactions on Geoscience and Remote Sensing, 57(3), 1684-1697. 10.1109/TGRS.2018.2868613.
Xiong, X. , Angal, A. , Twedt, K.A. , Chen, H. , Link, D. , Geng, X. , Aldoretta, E. , Mu, Q.
(2019). MODIS Reflective Solar Bands On-Orbit Calibration and Performance. IEEE Transactions on Geoscience and Remote Sensing, 57(9), 6355-6371. 10.1109/TGRS.2019.2905792.
Xiong, X. , Aldoretta, E. , Angal, A. , Chang, T. , Geng, X. , Link, D. , Salomonson, V. , Twedt, K. , Wu, A.
(2019). Terra MODIS: 20 years of on-orbit calibration and performance. Proc. SPIE 11127, Earth Observing Systems XXIV, 11127, 1112714. 10.1117/12.2531933.

2018

Angal, A. , Xiong, X. , Wu, A. , Geng, X. , Chen, H.
(2018). Improvements in the On-Orbit Response Versus Scan Angle Characterization of the Aqua MODIS Reflective Solar Bands. IEEE Transactions on Geoscience and Remote Sensing, 56(3), 1728-1738. 10.1109/TGRS.2017.2767206.
Mu, Q. , Angal, A. , Geng, X. , Wu, A. , Xiong, X.
(2018). Evaluation of the on-orbit response versus scan-angle (RVS) performance for the MODIS reflective solar bands using multiple ground targets. Proc. SPIE - Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV, 10644, 106441X. 10.1117/12.2304390.
Twedt, K.A. , Chen, H. , Xiong, X. , Angal, A. , Geng, X. , Wu, A.
(2018). Methods of Earth-view-based calibration of the response versus scan angle of the MODIS reflective solar bands. Proc. SPIE, Earth Observing Systems XXIII, 10764, 107641P. 10.1117/12.2321231.
Xiong, X. , Angal, A. , Barnes, W.L. , Chen, H. , Chiang, V. , Geng, X. , Li, Y. , Twedt, K. , Wang, Z. , Wilson, T. , Wu, A.
(2018). Updates of Moderate Resolution Imaging Spectroradiometer on-orbit calibration uncertainty assessments. Journal of Applied Remote Sensing, 12(3),034001,

2017

Chang, T. , Xiong, X. , Angal, A. , Wu, A. , Geng, X.
(2017). Aqua and Terra MODIS RSB Calibration Comparison Using BRDF Modeled Reflectance. IEEE Transactions on Geoscience and Remote Sensing, 55(4), 2288 - 2298.
Wu, A. , Angal, A. , Geng, X. , Xiong, X.
(2017). Assessment of polarization correction impact on the calibration of Terra MODIS reflective solar bands. Proceedings Volume 10423, Sensors, Systems, and Next-Generation Satellites XXI; 104231C,
Wu, A. , Geng, X. , Wald, A. , Angal, A. , Xiong, X.
(2017). Assessment of Terra MODIS On-Orbit Polarization Sensitivity Using Pseudoinvariant Desert Sites. IEEE Transactions on Geoscience and Remote Sensing, 55(7), 4168 - 4176.

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