In-Flight Absolute Radiometric Calibration of UAV Multispectral Sensor

被引：5

作者：

Chen Wei ^{[1
,2
,3
]}

Yan Lei ^{[1
,2
,3
]}

Gou Zhi-yang ^{[1
,2
,3
]}

Zhao Hong-ying ^{[1
,2
,3
]}

Liu Da-ping ^{[1
,2
,3
]}

Duan Yi-ni ^{[1
,2
,3
]}

机构：

[1] Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China

[2] Peking Univ, Inst RS & GIS, Beijing 100871, Peoples R China

[3] Peking Univ, Beijing Key Lab Spatial Informat Integrat & Its A, Beijing 100871, Peoples R China

来源：

SPECTROSCOPY AND SPECTRAL ANALYSIS | 2012年 / 32卷 / 12期

关键词：

Radiometric calibration; Reflectance-based method; Apparent radiance; Radiometric target; REFLECTANCE;

D O I：

10.3964/j.issn.1000-0593(2012)12-3169-06

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Based on the data of the scientific experiment in Urad Front Banner for UAV Remote Sensing Load Calibration Field project, with the help of 6 hyperspectral radiometric targets with good Lambertian property, the wide-view multispectral camera in UAV was calibrated adopting reflectance-based method. The result reveals that for green, red and infrared channel, whose images were successfully captured, the linear correlation coefficients between the DN and radiance are all larger than 99%. In final analysis, the comprehensive error is no more than 6%. The calibration results demonstrate that the hyperspectral targets equipped by the calibration field are well suitable for air-borne multispectral load in-flight calibration. The calibration result is reliable and could be used in the retrieval of geophysical parameters.

引用

页码：3169 / 3174

页数：6