A Method Based on Blackbody to Estimate Actual Radiation of Measured Cooperative Target Using an Infrared Thermal Imager

doi:10.3390/app13084832

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	A Method Based on Blackbody to Estimate Actual Radiation of Measured Cooperative Target Using an Infrared Thermal Imager
	M. Y. Yang, L. Xu, X. Tan and H. H. Shen
	2023
发表期刊	Applied Sciences-Basel
卷号	13 期号:8 页码:12
摘要	Infrared signature of targets is one important approach for target detection and recognition. When measuring the infrared signature of a target in the atmosphere, it is necessary to take the atmospheric transmittance and atmospheric radiation between the measured target and the observer into account. In this study, a blackbody-based approach for estimating atmospheric transmittance and atmospheric radiation is proposed to improve accuracy. Radiometric calibration is first carried out in the laboratory for the infrared thermal imager to determine the slope and offset used in the linear regression. With a set of different temperatures, radiance of the blackbody and digital number value of images are calculated. Finally, according to the analytical expressions derived, the atmospheric transmittance and atmospheric radiation are determined, and actual radiance for the cooperative target is calculated. Results demonstrate that the uncertainty of the actual radiance of measured cooperative target calculated via the proposed method is lower than that by MODTRAN, from MODTRAN at 5.7% and 16.7%, from proposed method at 2.56% and 10.2% in two experiments.
DOI	10.3390/app13084832
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收录类别	sci
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/68086
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	M. Y. Yang, L. Xu, X. Tan and H. H. Shen. A Method Based on Blackbody to Estimate Actual Radiation of Measured Cooperative Target Using an Infrared Thermal Imager[J]. Applied Sciences-Basel,2023,13(8):12.
APA	M. Y. Yang, L. Xu, X. Tan and H. H. Shen.(2023).A Method Based on Blackbody to Estimate Actual Radiation of Measured Cooperative Target Using an Infrared Thermal Imager.Applied Sciences-Basel,13(8),12.
MLA	M. Y. Yang, L. Xu, X. Tan and H. H. Shen."A Method Based on Blackbody to Estimate Actual Radiation of Measured Cooperative Target Using an Infrared Thermal Imager".Applied Sciences-Basel 13.8(2023):12.

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