Side-slither radiometric calibration mode design and in-orbit verification of Ziyuan-1(02D) satellite hyperspectral imager

Deyin Liang; Jing Yu; Bo Han; Haijian Zhu

doi:10.1117/12.2636830

29 April 2022 Side-slither radiometric calibration mode design and in-orbit verification of Ziyuan-1(02D) satellite hyperspectral imager

Deyin Liang, Jing Yu, Bo Han, Haijian Zhu

Author Affiliations +

Proceedings Volume 12247, International Conference on Image, Signal Processing, and Pattern Recognition (ISPP 2022); 122470F (2022) https://doi.org/10.1117/12.2636830
Event: 2022 International Conference on Image, Signal Processing, and Pattern Recognition, 2022, Guilin, China

Abstract

The radiometric calibration accuracy of a hyperspectral imager is a key link in its quantitative application. The side-slither radiometric calibration can realize the high-frequency and full field of view relative radiometric correction of the hyperspectral imager, which lays the foundation for the subsequent quantitative application of hyperspectral data. In this paper, a hyperspectral imager relative radiometric calibration method and data processing method based on satellite platform 90° yaw maneuver is proposed. A verification of this method is carried out based on the in-orbit data of Ziyuan1(02D) satellite. The results show that the proposed method has good performance for relative radiometric calibration. The relative radiometric calibration accuracy of all the sensor pixels can reach 1%, and the fringe noise in the original image is well removed.

Citation Download Citation

Deyin Liang, Jing Yu, Bo Han, and Haijian Zhu "Side-slither radiometric calibration mode design and in-orbit verification of Ziyuan-1(02D) satellite hyperspectral imager", Proc. SPIE 12247, International Conference on Image, Signal Processing, and Pattern Recognition (ISPP 2022), 122470F (29 April 2022); https://doi.org/10.1117/12.2636830

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