Design of a wide-field target detection and tracking system using the segmented planar imaging detector for electro-optical reconnaissance

Qinghua Yu; Dongmei Wu; Fuchun Chen; Shengli Sun

doi:10.3788/COL201816.071101

Chinese Optics Letters, Volume. 16, Issue 7, 071101(2018)

Design of a wide-field target detection and tracking system using the segmented planar imaging detector for electro-optical reconnaissance

Qinghua Yu^1,2、*, Dongmei Wu^1,2,3, Fuchun Chen^1,2, and Shengli Sun^1,2

Author Affiliations

¹Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China

²Key Laboratory of Infrared System Detection and Imaging Technology, Shanghai 200083, China

³University of Chinese Academy of Sciences, Beijing 100049, China

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Figures & Tables(8)

Fig. 1. Schematic of the detection and tracking system. (a) Top view of the system. (b) Working principle of the system.

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Fig. 2. Schematic of system operating modes. (a) Detection mode with wide field and low resolution. (b) Tracking mode with narrow field and high resolution.

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Fig. 3. Flowchart of the detection and tracking system.

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Fig. 4. Schematic of the working waveguides for tracking focus targets.

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Fig. 5. Simulation results for target detection and tracking system. (a) Pristine target scene used for the simulation; (b) detection mode simulation result; (c)–(e) tracking mode simulation results.

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Table 1. Target Detection and Tracking System Imaging Performance

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Table 1. Target Detection and Tracking System Imaging Performance

Performance Parameters	Value
Object distance	250 km
Wavelength	500–900 nm
Number of spectral bins	10
Wide-field resolution	10 arcsec
Focus targets resolution	2 arcsec
FOV of wide field	10°
FOV of focus targets	0.2° and 0.3°

Table 2. Target Detection and Tracking System Structure

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Table 2. Target Detection and Tracking System Structure

Structure Parameters	Value
$B_{d \max}$ for detection mode	0.014 m
$B_{t \max}$ for tracking mode	0.072 m
Waveguide arrays for detection mode	$100 \times 100$
Waveguide arrays for tracking mode	$2 \times 2$ and $3 \times 3$
Lenslet diameter	0.802 mm
Interferometer arms	37
Baselines in single interferometer arm	45

Table 3. PSNRs of Imaging Result with Original Image
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Table 3. PSNRs of Imaging Result with Original Image
Comparison Figures PSNR
Fig. 5(b) with Fig. 5(a) 29.2622
Fig. 5(c) with Fig. 5(a) 38.9698
Fig. 5(d) with Fig. 5(a) 39.1527
Fig. 5(e) with Fig. 5(a) 36.9610

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Qinghua Yu, Dongmei Wu, Fuchun Chen, Shengli Sun, "Design of a wide-field target detection and tracking system using the segmented planar imaging detector for electro-optical reconnaissance," Chin. Opt. Lett. 16, 071101 (2018)

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