Vicarious absolute radiometric calibration of GF-2 PMS2 sensor using permanent artificial targets in China

Yaokai Liu; Chuanrong Li; Lingling Ma; Ning Wang; Yonggang Qian; Lingli Tang

doi:10.1117/12.2240472

Abstract

GF-2, launched on August 19 2014, is one of the high-resolution land resource observing satellite of the China GF series satellites plan. The radiometric performance evaluation of the onboard optical pan and multispectral (PMS2) sensor of GF-2 satellite is very important for the further application of the data. And, the vicarious absolute radiometric calibration approach is one of the most useful way to monitor the radiometric performance of the onboard optical sensors. In this study, the traditional reflectance-based method is used to vicarious radiometrically calibrate the onboard PMS2 sensor of GF-2 satellite using three black, gray and white reflected permanent artificial targets located in the AOE Baotou site in China. Vicarious field calibration campaign were carried out in the AOE-Baotou calibration site on 22 April 2016. And, the absolute radiometric calibration coefficients were determined with in situ measured atmospheric parameters and surface reflectance of the permanent artificial calibration targets. The predicted TOA radiance of a selected desert area with our determined calibrated coefficients were compared with the official distributed calibration coefficients. Comparison results show a good consistent and the mean relative difference of the multispectral channels is less than 5%. Uncertainty analysis was also carried out and a total uncertainty with 3.87% is determined of the TOA radiance.

Conference Presentation

Citation Download Citation

Yaokai Liu, Yaokai Liu, Chuanrong Li, Chuanrong Li, Lingling Ma, Lingling Ma, Ning Wang, Ning Wang, Yonggang Qian, Yonggang Qian, Lingli Tang, Lingli Tang, } "Vicarious absolute radiometric calibration of GF-2 PMS2 sensor using permanent artificial targets in China", Proc. SPIE 10000, Sensors, Systems, and Next-Generation Satellites XX, 1000019 (19 October 2016); doi: 10.1117/12.2240472; https://doi.org/10.1117/12.2240472

ACCESS THE FULL ARTICLE

PERSONAL SIGN IN
Full access may be available with your subscription

Email or Username Forgot your username?

Password Forgot your password?

Show

Remember Email/Username on this computer

Remember Password

No SPIE account? Create an account
or Institutional Sign In via Shibboleth

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $14.40

Non-members: $18.00 ADD TO CART

Show All Keywords

Keywords/Phrases

Search In:

Publication Years