High-precision Non-uniformity Correction Algorithm for High Sensitivity Infrared Remote Marine Images

波段	DN响应	校正精度均值/%		校正精度改善程度均值/%
波段	DN响应	传统算法	本文算法	校正精度改善程度均值/%
B1	944.17	0.81	0.68	15.89
	1 295.97	0.56	0.42	24.81
	1 512.35	0.56	0.48	15.98
	1 607.20	0.36	0.28	23.33
	1 716.57	0.40	0.31	21.27
	1 859.98	0.49	0.41	16.88
B2	744.96	0.68	0.51	23.11
	1 043.43	0.69	0.50	27.54
	1 322.60	0.60	0.52	17.70
	1400.88	0.38	0.30	22.94
	1 521.71	0.43	0.36	19.17
	1 634.65	0.56	0.49	14.01
B3	1 020.01	0.68	0.53	23.44
	1 240.77	0.46	0.30	33.79
	1 423.16	0.33	0.27	19.64
	1 454.88	0.39	0.29	29.54
	1 510.52	0.48	0.40	19.51
	1 572.74	0.57	0.47	19.29
B4	1 286.36	0.55	0.43	22.30
	1 426.96	0.69	0.60	12.84
	1 564.69	0.30	0.23	23.33
	1 585.00	0.44	0.33	30.85
	1 610.61	0.44	0.33	29.07
	1 652.00	0.51	0.40	23.33

Table 2. The statistical mean values of relative radiometric correction accuracy and the improvement degree of COCTS 3 bands

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Table 2. The statistical mean values of relative radiometric correction accuracy and the improvement degree of COCTS 3 bands

波段	DN响应	校正精度均值/%		校正精度改善程度均值/%
波段	DN响应	传统算法	本文算法	校正精度改善程度均值/%
B16	4 313.03	0.54	0.45	17.43
	4 396.57	0.58	0.48	17.79
	4 891.43	0.41	0.35	15.23
	4 817.88	0.44	0.36	18.15
	4 961.53	0.44	0.35	20.09
	5 608.28	0.47	0.39	16.13
	6 533.29	0.45	0.37	16.91
	7 216.69	0.35	0.29	16.83
	8 030.21	0.34	0.30	11.86
B17	9 320.48	0.31	0.26	16.15
	9 501.27	0.35	0.29	16.70
	9 993.10	0.31	0.26	16.01
	10 225.30	0.14	0.12	16.26
	10 314.85	0.25	0.20	19.93
	11 008.22	0.17	0.14	15.38
	11 476.57	0.15	0.12	18.18
	11 708.96	0.08	0.06	28.87
	11 964.63	0.13	0.11	15.29
B18	10 217.75	0.19	0.16	15.90
	10 330.11	0.21	0.18	15.31
	10 608.71	0.20	0.17	15.32
	10 776.26	0.11	0.09	18.54
	10 828.81	0.14	0.12	15.85
	11 258.01	0.11	0.09	19.33
	11 530.84	0.10	0.08	19.94
	11 659.93	0.06	0.05	17.25
	11 795.89	0.09	0.07	20.79

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Yan LI, Haiyan WANG, Hongyan HE. High-precision Non-uniformity Correction Algorithm for High Sensitivity Infrared Remote Marine Images[J]. Spacecraft Recovery & Remote Sensing, 2025, 46(2): 122

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Paper Information

Category:

Received: Aug. 29, 2024

Accepted: Aug. 29, 2024

Published Online: May. 23, 2025

The Author Email:

DOI:10.3969/j.issn.1009-8518.2025.02.011

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology