Infrared and Laser Engineering, Volume. 51, Issue 2, 20210896(2022)
Infrared remote sensing imaging simulation method for earth’s limb scene
Figures & Tables(7)
Fig. 2. Schematic diagram of infrared image simulation of earth limb scene
Fig. 3. Schematic diagram of transformation between coordinate systems
Fig. 4. Schematic diagram of infrared simulation effect of earth limb scene (Without noise)
Fig. 5. Schematic diagram of infrared simulation effect of earth limb scene (Including noise)
Table 1. Simulation parameters
View tableView in ArticleTable 1. Simulation parameters
Parameters (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) Focal length/mm 20 20 20 20 40 40 40 40 60 60 60 80 Obliquity of satellite orbit/rad 0 0 0 0 20 20 20 20 0 20 0 20 Altitude of satellite orbit/km 2 000 2 000 2 000 2 000 10 000 10 000 10 000 10 000 20 000 20 000 20 000 20 000 Longitude of virtual target/rad 5π/12 5π/12 7π/12 7π/12 5π/12 5π/12 7π/12 7π/12 5π/12 5π/12 7π/12 7π/12 Latitude of virtual target/rad π/18 π/6 π/18 π/6 π/18 π/6 π/18 π/6 π/18 π/6 π/18 π/6 Altitude of virtual target/km 100 200 200 200 500 500 3 000 3 000 200 200 5 000 5 000 Longitude of direct sunlight/rad 0 2π/3 4π/3 0 2π/3 4π/3 0 2π/3 4π/3 0 2π/3 4π/3 Latitude of direct sunlight/rad −π/9 −π/9 −π/9 0 0 0 π/9 π/9 π/9 −π/9 0 π/9
Table 2. Image evaluation metrics
View tableView in ArticleTable 2. Image evaluation metrics
Evaluation index image in figures LS GMG Runtime/s Fig.4 Fig.5 Fig.4 Fig.5 (a) 0.085 0.078 0.34 0.33 98.57 (b) 0.090 0.080 0.44 0.40 98.71 (c) 0.11 0.10 0.50 0.50 164.22 (d) 0.13 0.11 0.71 0.61 87.30 (e) 0.13 0.12 0.58 0.53 105.50 (f) 0.14 0.12 0.63 0.57 111.58 (g) 0.17 0.15 0.81 0.76 154.30 (h) 0.16 0.15 0.85 0.77 108.92 (i) 0.22 0.23 0.98 1.16 156.75 (j) 0.19 0.17 0.94 0.85 139.99 (k) 0.19 0.19 0.93 0.99 144.22 (l) 0.14 0.13 0.68 0.68 111.33 Average 0.15 0.14 0.70 0.68 123.45
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Xueqi Chen, Minjie Wan, Yunkai Xu, Weixian Qian, Qian Chen, Guohua Gu. Infrared remote sensing imaging simulation method for earth’s limb scene[J]. Infrared and Laser Engineering, 2022, 51(2): 20210896
Paper Information
Category: Special issue-Infrared low light level night vision technology
Received: Nov. 20, 2021
Accepted: --
Published Online: Mar. 21, 2022
The Author Email: Wan Minjie (minjiewan1992@njust.edu.cn), Gu Guohua (gghnjust@mail.njust.edu.cn)
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