Geometric Positioning Accuracy Evaluation of Domestic High-Resolution Satellite Images Based on Unified Verification Field Method

Ao Li; Xinming Tang; Xiaoyong Zhu

doi:10.3788/AOS202141.0328001

Acta Optica Sinica, Volume. 41, Issue 3, 0328001(2021)

Geometric Positioning Accuracy Evaluation of Domestic High-Resolution Satellite Images Based on Unified Verification Field Method

Ao Li¹, Xinming Tang^1,2、*, and Xiaoyong Zhu^2、**

Author Affiliations

¹College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, Shandong 266510, China

²Land Satellites Remote Sensing Application Center, Ministry of Natural Resources, Beijing 100048, China

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Figures & Tables(6)

Fig. 1. Multiple domestic high-resolution satellite images and control point distribution map

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Fig. 2. Distribution of plane error of stereo image in Guyuan region. (a) Without control points; (b) four control points; (c) all control points

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Fig. 3. Elevation error distribution of stereo image in Guyuan region. (a) ZY3-1; (b) ZY3-2

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Table 1. Basic parameters and test image information of domestic satellites (PAN: panchromatic image; MS: multispectral image)

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Table 1. Basic parameters and test image information of domestic satellites (PAN: panchromatic image; MS: multispectral image)

Satellite	Launchingyear	Orbitheight /km	Spatialresolution /m	Width ofimage /km	Imagingtime	Number ofGCP
ZY3-1	2012	505	2.1(PAN)5.8(MS)	50	2019-09-27	32
ZY3-2	2016	505	2.1(PAN)5.8(MS)	50	2017-09-22	32
GF1	2013	645	2(PAN)8(MS)	60	2018-12-07	22
GF1-B	2018	645	2(PAN)8(MS)	60	2018-11-01	29
GF1-C	2018	645	2(PAN)8(MS)	60	2019-10-12	30
GF1-D	2018	645	2(PAN)8(MS)	60	2018-10-02	26
TH-1	2012	505	2(PAN)8(MS)	60	2018-09-16	28

Table 2. Geometric positioning accuracy of single scene satellite image

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Table 2. Geometric positioning accuracy of single scene satellite image

Satellite	Number of GCP	Number of CIP	RMSE of ICP /pixel
Satellite	Number of GCP	Number of CIP	x	y	Plane
GF1	0	32	12.87	12.89	17.08
	5	27	2.42	2.04	3.16
GF1-B	0	32	16.11	13.23	20.85
	5	27	4.06	2.98	5.03
GF1-C	0	22	8.45	15.65	17.79
	5	17	3.09	2.49	3.97
GF1-D	0	29	19.48	87.69	89.83
	5	24	5.18	4.17	6.65
ZY3-1	0	30	4.63	1.88	5.00
	5	25	1.29	1.09	1.69
ZY3-2	0	36	11.35	5.9	12.80
	5	31	1.61	2.04	2.60
TH-1	0	28	2.49	1.99	3.18
	5	23	1.61	1.79	2.41

Table 3. Accuracy statistics of domestic satellite stereo image adjustment in test area under different control points

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Table 3. Accuracy statistics of domestic satellite stereo image adjustment in test area under different control points

Satellite	Numberof GCP	Numberof CIP	RMSE of ICP /m				RMSE of GCP /m
Satellite	Numberof GCP	Numberof CIP	x	y	Plane	Height	x	y	Plane	Height
	0	24	9.97	5.3	11.29	3.43	-	-	-	-
ZY3-1	4	20	0.76	0.53	0.93	0.59	3.47	5	6.09	1.79
	24	0	-	-	-	-	2.96	2.69	4.01	1.71
	0	27	25.58	5.32	26.12	5.28	-	-	-	-
ZY3-2	4	23	1.74	1.76	2.47	2.58	4.76	3.41	5.86	1.63
	27	0	-	-	-	-	2.99	3.08	4.29	1.61

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Ao Li, Xinming Tang, Xiaoyong Zhu. Geometric Positioning Accuracy Evaluation of Domestic High-Resolution Satellite Images Based on Unified Verification Field Method[J]. Acta Optica Sinica, 2021, 41(3): 0328001

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Paper Information

Category: Remote Sensing and Sensors

Received: Aug. 4, 2020

Accepted: Sep. 9, 2020

Published Online: Feb. 28, 2021

The Author Email: Tang Xinming (tangxinming99@qq.com), Zhu Xiaoyong (zhuxytop@163.com)

DOI:10.3788/AOS202141.0328001

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