On-orbit radiometric calibration and Validation of GF-7 satellite based on RadCalNet Baotou site

TANG Hongzhao; TANG Xinming; XIE Junfeng; CHEN Wei; Qian Yonggang

doi:10.11834/jrs.20221692

Satellite Calibration Instances and Groud-based Validation | Views : 0 下载量: 1573 CSCD: 2

R-PDF
PDF
Export
Share
Collection
Album

On-orbit radiometric calibration and Validation of GF-7 satellite based on RadCalNet Baotou site
Vol. 27, Issue 5, Pages: 1194-1204(2023)
Received：05 November 2021，

Published：07 May 2023
DOI： 10.11834/jrs.20221692
稿件说明：

移动端阅览

唐洪钊，唐新明，谢俊峰，陈伟，钱永刚.2023.基于RadCalNet包头场的高分七号卫星在轨绝对辐射定标及精度验证.遥感学报，27（5）： 1194-1204 DOI： 10.11834/jrs.20221692.

Tang H F，Tang X M，Xie J F，Chen W and Qian Y G. 2023. On-orbit radiometric calibration and validation of GF-7 satellite based on RadCalNet Baotou site. National Remote Sensing Bulletin， 27（5）：1194-1204 DOI： 10.11834/jrs.20221692.

摘要

针对2019年11月发射的首颗民用亚米级高分辨率立体测绘卫星高分七号的影像数据特点，2020年9月在内蒙古包头高分辨率遥感综合定标场开展了卫星在轨辐射定标试验。利用包头场固定辐射灰阶靶标和AERONET AOE-Baotou站点同步观测反演的大气气溶胶物理及光学特性参数，基于反射率基法对高分七号卫星传感器进行了在轨场地绝对辐射定标，获取了卫星在轨辐射定标系数，实现了传感器全动态范围内的高精度辐射定标。同时基于包头场均匀沙地的自动观测数据对辐射定标系数进行了精度验证。试验结果显示，高分七号卫星自发射以来立体测绘相机的辐射性能稳定，相机各波段影像DN值与表观辐射亮度的线性相关系数优于99%。通过误差分析可知，高分七号卫星包头场辐射定标的不确定度优于5%，获取的定标系数精确可靠，获取的辐射定标系数可用于地物参数的反演，对实现我国国产立体测绘卫星数据定量化应用、提高定量遥感科研水平都具有重要意义。

Abstract

The aim of this study is to obtain a reliable

high-precision radiometric calibration coefficient for the GF-7 satellite sensor. In this study

we describe the methods and results of a reflectance-based vicarious calibration campaign that was conducted in September 2020 at RadCalNet Baotou Site located in Inner Mongolia

China. A series of gray-scale permanent artificial targets and infrastructure have been built in the Baotou site to provide effective support for the GF-7 satellite sensor’s on-orbit calibration. The reflectance-based vicarious calibration approach relies on the synchronous measurement of surface spectral reflectance and atmospheric parameters. In this campaign

synchronous measurements of surface and atmospheric conditions (including aerosol optical depth

amount of water vapor

and aerosol inversion products) at the Baotou site at the time of the GF-7 satellite’s overhead pass are obtained with an SVC HR-1024i spectroradiometer and a Cimel CE318 sun photometer. The bidirectional reflectance distribution function (BRDF) of the surface is measured with a multi-angle instrument with an SVC spectroradiometer. The synchronous measurement of surface spectral reflectance is modified by the surface BRDF model

and the atmospheric parameters are coupled with the exoatmospheric solar irradiance spectrum. The relative spectral response of the sensor is adopted as an input for a radiative transfer model to compute the at-sensor spectral radiance. The relationship between the at-sensor radiance and the digital number (DN) recorded in the GF-7 satellite image is identified. Results show a good linear relationship between DN and the apparent radiances of each band. The uncertainty of the GF-7 sensor radiometric calibration in the RadCalNet Baotou site is 4.33%

which is less than 5%. A detailed discussion of the validation analysis of the GF-7 radiometric calibration coefficient is performed using the products from the automated RadCalNet Baotou Sand site. This study can provide a site reference for the radiometric validation of Chinese satellites. In consideration of the results shown in this paper

the data from the RadCalNet Baotou site can be used as a reference to evaluate the radiometric performance of Chinese high-resolution satellites.

关键词

Keywords

references

Biggar S F , Dinguirard M C , Gellman D I , Henry P J , Jackson R D , Moran M S and Slater P N . 1991 . Radiometric calibration of SPOT 2 HRV: a comparison of three methods // Proceedings of SPIE 1493, Calibration of Passive Remote Observing Optical and Microwave Instrumentation . Orlando : SPIE: 155 - 162 [ DOI: 10.1117/12.46693 http://dx.doi.org/10.1117/12.46693 ]

Biggar S F , Slater P N and Gellman D I . 1994 . Uncertainties in the in-flight calibration of sensors with reference to measured ground sites in the 0.4-1.1 μm range . Remote Sensing of Environment , 48 ( 2 ): 245 - 252 [ DOI: 10.1016/0034-4257(94)90145-7 http://dx.doi.org/10.1016/0034-4257(94)90145-7 ]

BIPM , IEC , IFCC , ILAC , ISO , IUPAC , IUPAP and OIML . 2008 . JCGM 101:2008 Evaluation of measurement data - Supplement 1 to the “Guide to the expression of uncertainty in measurement” - Propagation of distributions using a Monte Carlo method. [s.l.]: JCGM

Bouvet M , Thome K , Berthelot B , Bialek A , Czapla-Myers J , Fox N P , Goryl P , Henry P , Ma L L , Marcq S , Meygret A , Wenny B N and Woolliams E R . 2019 . RadCalNet: a radiometric calibration network for earth observing imagers operating in the visible to shortwave infrared spectral range . Remote Sensing , 11 ( 20 ): 2401 [ DOI: 10.3390/rs11202401 http://dx.doi.org/10.3390/rs11202401 ]

Cao H Y , Liu F Q , Zhao C G and Dai J . 2021 . The study of high resolution stereo mapping satellite . National Remote Sensing Bulletin , 25 ( 7 ): 1400 - 1410

曹海翊 , 刘付强 , 赵晨光 , 戴君 . 2021 . 高分辨率立体测绘卫星技术研究 . 遥感学报 , 25 ( 7 ): 1400 - 1410 [ DOI: 10.11834/jrs.20210411 http://dx.doi.org/10.11834/jrs.20210411 ]

Dinguirard M and Slater P N . 1999 . Calibration of space-multispectral imaging sensors: a review . Remote Sensing of Environment , 68 ( 3 ): 194 - 205 [ DOI: 10.1016/S0034-4257(98)00111-4 http://dx.doi.org/10.1016/S0034-4257(98)00111-4 ]

Feingersh T , Dorigo W , Richter R and Ben-Dor E . 2005 . A new model-driven correction factor for BRDF effects in HRS data // Proceedings of 4th EARSeL Workshop on Imaging Spectroscopy . Warsaw : EARSeL and Warsaw University

Gao H L , Gu X F , Yu T , Li X Y , Gong H and Li J G . 2010 . The research overview on visible and near-infrared channels radiometric calibration of space-borne optical remote sensors . Remote Sensing Information , 25 ( 4 ): 117 - 128

高海亮 , 顾行发 , 余涛 , 李小英 , 巩慧 , 李家国 . 2010 . 星载光学遥感器可见近红外通道辐射定标研究进展 . 遥感信息 , 25 ( 4 ): 117 - 128 [ DOI: 10.3969/j.issn.1000-3177.2010.04.022 http://dx.doi.org/10.3969/j.issn.1000-3177.2010.04.022 ]

Han Q J , Ma L L , Liu L , Zhang X W , Fu Q Y , Pan Z Q and Wang A C . 2015 . On-orbit calibration and evaluation of GF-2 satellite based on wide dynamic ground target . Acta Optica Sinica , 35 ( 7 ): 0728003

韩启金 , 马灵玲 , 刘李 , 张学文 , 傅俏燕 , 潘志强 , 王爱春 . 2015 . 基于宽动态地面目标的高分二号卫星在轨定标与评价 . 光学学报 , 35 ( 7 ): 0728003 [ DOI: 10.3788/AOS201535.0728003 http://dx.doi.org/10.3788/AOS201535.0728003 ]

Jing X , Leigh L , Teixeira Pinto C and Helder D . 2019 . Evaluation of RadCalNet output data using Landsat 7, Landsat 8, sentinel 2 A, and sentinel 2 B sensors. Remote Sensing , 11 ( 5 ): 541 [ DOI: 10.3390/rs11050541 http://dx.doi.org/10.3390/rs11050541 ]

Li C R , Ma L L , Gao C X , Tang L L , Wang N , Liu Y K , Zhao Y G , Dou S , Zhang D D and Li X H . 2015 . Permanent target for optical payload performance and data quality assessment: spectral characterization and a case study for calibration . Journal of Applied Remote Sensing , 8 ( 1 ): 083498 [ DOI: 10.1117/1.JRS.8.083498 http://dx.doi.org/10.1117/1.JRS.8.083498 ]

Li C R , Ma L L , Tang L L , Gao C X , Qian Y G , Wang N and Wang X H . 2021 . A comprehensive calibration site for high resolution remote sensors dedicated to quantitative remote sensing and its applications . National Remote Sensing Bulletin , 25 ( 1 ): 198 - 219

李传荣 , 马灵玲 , 唐伶俐 , 高彩霞 , 钱永刚 , 王宁 , 王新鸿 . 2021 . 面向定量遥感的高分辨遥感综合定标场及其应用 . 遥感学报 , 25 ( 1 ): 198 - 219 [ DOI: 10.11834/jrs.20210326 http://dx.doi.org/10.11834/jrs.20210326 ]

Liu Y K , Ma L L , Wang N , Qian Y G , Qiu S , Li C R and Tang L L . 2017 . Vicarious radiometric calibration/validation of Landsat-8 operational land imager using a ground reflected radiance-based approach with Baotou site in China . Journal of Applied Remote Sensing , 11 ( 4 ): 044004 [ DOI: 10.1117/1.JRS.11.044004 http://dx.doi.org/10.1117/1.JRS.11.044004 ]

Pang B , Ma L L , Liu Y K , Wang N , Zhao Y G , Han Q J , Meng F R , Li C R , Tang L L , Chen Z P and Wang G Z . 2019 . Ground-based automatic radiometric calibration of land observation satellite optical sensors and cross validation analysis . Remote Sensing Technology and Application , 34 ( 1 ): 146 - 154

庞博 , 马灵玲 , 刘耀开 , 王宁 , 赵永光 , 韩启金 , 孟凡荣 , 李传荣 , 唐伶俐 , 陈志明 , 王国珠 . 2019 . 陆地卫星光学载荷地基自动辐射定标与验证分析 . 遥感技术与应用 , 34 ( 1 ): 146 - 154 [ DOI: 10.11873/j.issn.1004-0323.2019.1.0146 http://dx.doi.org/10.11873/j.issn.1004-0323.2019.1.0146 ]

Tang H Z , Xiao C C , Liang S N , Wei H Y and Gao H L . 2020 . On-orbit radiometric calibration and validation of ZY-1-02D satellite . Spacecraft Engineering , 29 ( 6 ): 142 - 147

唐洪钊 , 肖晨超 , 梁树能 , 魏红艳 , 高海亮 . 2020 . 资源一号02D卫星在轨辐射定标精度验证与分析 . 航天器工程 , 29 ( 6 ): 142 - 147 [ DOI: 10.3969/j.issn.1673-8748.2020.06.021 http://dx.doi.org/10.3969/j.issn.1673-8748.2020.06.021 ]

Thome K J . 2001 . Absolute radiometric calibration of Landsat 7 ETM+ using the reflectance-based method . Remote Sensing of Environment , 78 ( 1/2 ): 27 - 38 [ DOI: 10.1016/S0034-4257(01)00247-4 http://dx.doi.org/10.1016/S0034-4257(01)00247-4 ]

Xu W W , Zhang L M , Yang B Y and Qiao Y L . 2012 . On-orbit radiometric calibration based on gray-scale tarps . Acta Optica Sinica , 32 ( 2 ): 0212007

徐伟伟 , 张黎明 , 杨本永 , 乔延利 . 2012 . 基于多灰阶靶标的在轨辐射定标方法研究 . 光学学报 , 32 ( 2 ): 0212007 [ DOI: 10.3788/AOS201232.0212007 http://dx.doi.org/10.3788/AOS201232.0212007 ]

Yeom J M , Hwang J , Jung J H , Lee K H and Lee C S . 2017 . Initial radiometric characteristics of KOMPSAT-3A multispectral imagery using the 6S radiative transfer model, well-known radiometric tarps, and MFRSR measurements . Remote Sensing , 9 ( 2 ): 130 [ DOI: 10.3390/rs9020130 http://dx.doi.org/10.3390/rs9020130 ]

Alert me when the article has been cited

提交

Principle and method of GF-7 satellite integrated processing of stereo image and laser data

The near-space altitude experiment for satellite radiometric calibration and the first results

Uncertainty analysis of the absolute radiometric calibration of full waveform airborne LiDAR

Evaluation of GF-5 AHSI on-orbit instrument radiometric performance