Hybrid Source Photogrammetry of Optical Remote Sensing Images and Space-Borne LiDAR

Xinlei Zhang; Qing Xu; Shuai Xing; Ming Gao; Pengcheng Li; Guoping Zhang; Jin Wang

doi:10.3788/AOS202242.2428001

Acta Optica Sinica, Volume. 42, Issue 24, 2428001(2022)

Hybrid Source Photogrammetry of Optical Remote Sensing Images and Space-Borne LiDAR

Xinlei Zhang^1,2,3、*, Qing Xu^1,2,3, Shuai Xing^1,2,3, Ming Gao^1,2,3, Pengcheng Li^1,2,3, Guoping Zhang^1,2,3, and Jin Wang^1,2,3

Author Affiliations

¹Institute of Geospatial Information, PLA Strategic Support Force Information Engineering University, Zhengzhou 450001, Henan , China

²Collaborative Innovation Center of Geo-Information Technology for Smart Central Plains, Zhengzhou 450001, Henan , China

³Key Laboratory of Spatiotemporal Perception and Intelligent Processing, Ministry of Natural Resources, Zhengzhou 450001, Henan , China

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Figures & Tables(11)

Fig. 1. Flow chart of joint block adjustment method of remote sensing images and satellite-based LiDAR data

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Fig. 2. DEM area element matching diagram

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Fig. 3. Flow chart of DEM area element matching

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Fig. 4. Flow chart of iterative solution method considering coordinate error of laser altimetry points

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Fig. 5. Experimental data distributions. (a) TH-3; (b) GF-7

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Fig. 6. DEM area element matching optimal offset. (a) Optimal offset of trajectory corresponding to selected control points in TH-3 adjustment experiment; (b) optimal offset of trajectory coresponding to selected control points in GF-7 adjustment experiment

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Fig. 7. Comparison of residuals of TH-3 block adjustment schemes. (a) Scheme 1; (b) scheme 2; (c) scheme 3

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Fig. 8. Comparison of residuals of GF-7 block adjustment schemes. (a) Scheme 1; (b) scheme 2; (c) scheme 3

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Table 1. Detail information of satellite images

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Table 1. Detail information of satellite images

Satellite type	TH-3	GF-7
Acquisition date	2021-03-03，2021-09-02	2021-01-17
Latitude range	34.04°N-35.12°N	34.31°N-34.94°N
Longitude range	112.52°E-113.54°E	113.46°E-113.87°E
Image number	6	3
Range /（km×km）	40×40	20×20
Image resolution /m	0.65（backward-view）， 0.8（forward-view）	0.65（backward-view）， 0.8（forward-view）

Table 2. Total adjustment results of TH-3 stereo images unit: m
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Table 2. Total adjustment results of TH-3 stereo images unit: m
Scheme Height East North
Scheme 1 1.970 3.470 3.429
Scheme 2 1.353 3.385 3.256
Scheme 3 1.258 3.252 3.285

Table 3. Total adjustment results of GF-7 stereo images unit: m
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Table 3. Total adjustment results of GF-7 stereo images unit: m
Scheme Height East North
Scheme 1 4.643 13.101 7.119
Scheme 2 2.198 7.421 3.659
Scheme 3 1.637 5.734 2.972

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Xinlei Zhang, Qing Xu, Shuai Xing, Ming Gao, Pengcheng Li, Guoping Zhang, Jin Wang. Hybrid Source Photogrammetry of Optical Remote Sensing Images and Space-Borne LiDAR[J]. Acta Optica Sinica, 2022, 42(24): 2428001

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