Radiometric Calibration of Space Remote Sensing Camera

被引：0

作者：

Guo Huinan ^{[1
]}

Yang Hongtao ^{[1
]}

Song Xiaodong ^{[1
]}

Zhao Ronghui ^{[1
]}

Ma Nan ^{[2
]}

Wang Wei ^{[3
]}

机构：

[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, 17 Xinxi Rd, Xian, Shaanxi, Peoples R China

[2] Peoples Liberat Army 95879, Chengdu, Sichuan, Peoples R China

[3] Xianyang Vocat Tech Coll, 1 Tongyi Rd, Xianyang, Shaanxi, Peoples R China

来源：

EIGHTH INTERNATIONAL CONFERENCE ON DIGITAL IMAGE PROCESSING (ICDIP 2016) | 2016年 / 10033卷

关键词：

Radiometric calibration; remote sensing; camera response; digital imaging system;

D O I：

10.1117/12.2245147

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Radiometric calibration is an important part for space remote sensing camera to obtain an accurate radiation value of ground target. The main significance of radiometric calibration is to reduce the influence by external scene and internal parameters of camera and to recover the real radiation property of objects. In order to break the limitation of line array imaging sensor, we propose a radiometric calibration method based on camera state matrix for area array camera. According to camera response characteristics, calculate and fit a functional relationship between the input radiance energy and the output digital number. Meanwhile, analyse and describe the procedure of radiometric calibration in detail. Experimental results indicates that the calibration method can provide high accuracy linear fitting parameters and can be widely applied to a large variety digital imaging systems.

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