Acquisition Method of Zero Stadia Standard Image for Satellite Imaging Simulation

Lanxia Wang; Wenyu Cui; Weining Yi; Honglian Huang; Chuan Chen

doi:10.3788/AOS201838.0128002

Acta Optica Sinica, Volume. 38, Issue 1, 0128002(2018)

Acquisition Method of Zero Stadia Standard Image for Satellite Imaging Simulation

Lanxia Wang^1,2, Wenyu Cui¹, Weining Yi^1、*, Honglian Huang¹, and Chuan Chen^1,2

¹ Key Laboratory of Optical Calibration and Characterization of Chinese Academy of Sciences, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China

² University of Science and Technology of China, Hefei, Anhui 230026, China

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Figures & Tables(17)

Fig. 1. System of measurement

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Fig. 2. Directional reflectance of cement ground

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Fig. 3. Experiment field. (a) Marker; (b) shoot along track

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Fig. 4. Process of radiance change

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Fig. 5. Process of zero stadia image

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Fig. 6. Image after synthesis

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Fig. 7. Corrected image

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Fig. 8. Original figure of target area. (a) Cement floor 1; (b) cement floor 2; (c) lawn

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Fig. 9. Fitting figure of target area. (a) Cement floor 1; (b) cement floor 2; (c) lawn

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Fig. 10. Zero stadia figure of target area. (a) Cement floor 1; (b) cement floor 2; (c) lawn

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Table 1. Parameter of measuring instrument

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Table 1. Parameter of measuring instrument

Item	Description
Camera	Industrial camera can modulate the aperture and focal length at will
Stabilizer	Stabilizer has customized algorithm, three kinds of built-in mode, three buttons can be used to control the direction of the stabilizer, and achieve any angle shot
Spectrometer	SVC HR-1024 full spectrum portable ground spectrometer produced by Spectra Vista, Inc., with a spectral range of 350-2500 nm

Table 2. Parameters of K and B
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Table 2. Parameters of K and B
Parameter Cement floor 1 Cement floor 2 Lawn
K 0.00126 0.13786 5.4×10^-4
B -4.32576 7.36908 6.38236

Table 3. Fitting errors of parameter K and B
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Table 3. Fitting errors of parameter K and B
Parameter Cement floor 1 Cement floor 2 Lawn
$\begin{matrix} {V_{K_error}}_{} \end{matrix}$ /100% 4×10^-5 0.00114 1×10^-5
$\begin{matrix} {V_{B_error}}_{} \end{matrix}$ /100% 0.82148 0.12276 0.53468

Table 4. Theoretical estimation of uncertainty
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Table 4. Theoretical estimation of uncertainty
Area Cement floor 1 Cement floor 2 Lawn
$\begin{matrix} {V_{Estimated_value}}_{} \end{matrix}$ /100% 0.8389 0.2079 0.5611

Table 5. Cement floor 1
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Table 5. Cement floor 1
V_{Measured_Ref} V_{Simulate_Ref} $\begin{matrix} {V_{Relative_error}}_{} \end{matrix}$ /100%
1 29.80174 29.37048 1.447112
2 8.61878 8.90659 3.339375
3 28.37086 27.97529 1.394277
4 27.44236 28.25718 2.969215

Table 6. Cement floor 2
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Table 6. Cement floor 2
V_{Measured_Ref} V_{Simulate_Ref} $\begin{matrix} {V_{Relative_error}}_{} \end{matrix}$ /100%
1 28.20121 27.98649 0.761386
2 27.95568 27.73198 0.800195
3 10.85616 10.86443 0.076193
4 11.46058 11.39127 0.604733

Table 7. Lawn
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Table 7. Lawn
V_{Measured_Ref} V_{Simulate_Ref} $\begin{matrix} {V_{Relative_error}}_{} \end{matrix}$ /100%
1 32.87892 33.09092 0.644785
2 33.91467 33.96521 0.149013
3 33.38226 33.54343 0.482788
4 25.09455 24.92857 0.661425

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Lanxia Wang, Wenyu Cui, Weining Yi, Honglian Huang, Chuan Chen. Acquisition Method of Zero Stadia Standard Image for Satellite Imaging Simulation[J]. Acta Optica Sinica, 2018, 38(1): 0128002

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