Time series of cross-calibration of HJ-1B thermal infrared channel

Li Liu; Xing-Fa Gu; Tao Yu; Xiao-Ying Li; Hai-Liang Gao; Jia-Guo Li; Xing-Feng Chen

doi:10.1117/12.898761

23 November 2011 Time series of cross-calibration of HJ-1B thermal infrared channel

Li Liu, Xing-Fa Gu, Tao Yu, Xiao-Ying Li, Hai-Liang Gao, Jia-Guo Li, Xing-Feng Chen

Proceedings Volume 8006, MIPPR 2011: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications; 800602 (2011) https://doi.org/10.1117/12.898761
Event: Seventh International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2011), 2011, Guilin, China

Abstract

The absolute calibration of HJ-1B thermal infrared channel is achieved by 7 times cross-calibration of Qinghai Lake in 2010, between the HJ-1B thermal infrared channel and MODIS 31, 32 channels. At the same time, the intercept of calibration coefficients is calculated. First, the spatial match are completed between the HJ-1B IRS image and MODIS 31, 32 channels image. Then, the spectral response of HJ-1B IRS thermal channel and MODIS 31, 32 channels are used for the spectral match. Based on the SST algorithms of MODIS, the MODTRAN4.0 is used to simulate the radiative transfer results under the condition of variety surface temperature of the Qinghai Lake, the atmospheric profile, observational geometry combined with the spectral response functions of the remote sensors. The quantitative linear relationship can be established with the simulation results. The gain and offset of cross-calibration are 52.7788 1/(W/(m2•sr•μm)), -55.4137. The result needs further validation of longer sequence.

Citation Download Citation

Li Liu, Xing-Fa Gu, Tao Yu, Xiao-Ying Li, Hai-Liang Gao, Jia-Guo Li, and Xing-Feng Chen "Time series of cross-calibration of HJ-1B thermal infrared channel", Proc. SPIE 8006, MIPPR 2011: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications, 800602 (23 November 2011); https://doi.org/10.1117/12.898761

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KEYWORDS

Thermography

MODIS

Infrared imaging

Calibration

Infrared radiation

Remote sensing

Data modeling

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