Online Optimization on Operation Parameters of Range-Gated Imaging System Based on Gaussian Process Regression

Hu Cheng; Wei Li; Wenping Guo; Kecheng Yang

doi:10.3788/AOS201939.0412010

Acta Optica Sinica, Volume. 39, Issue 4, 0412010(2019)

Online Optimization on Operation Parameters of Range-Gated Imaging System Based on Gaussian Process Regression

Hu Cheng, Wei Li, Wenping Guo, and Kecheng Yang^*

Author Affiliations

School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China

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Figures & Tables(6)

Fig. 1. Temporal scheme of range-gated imaging system

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Fig. 2. Characterization of range resolution for range-gated imaging system. (a) Reflection intensity in time-domain; (b) Lissajou type eyepattern

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Fig. 3. Flow chart of learning and optimization algorithm based on Gaussian process regression

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Fig. 4. QEPversus number of iteration steps

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Fig. 5. Eye patterns obtained before and after system parameter optimization

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Table 1. Eye pattern parameters of imaging system before and after optimization
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Table 1. Eye pattern parameters of imaging system before and after optimization
Parameter Before optimization After optimization
Eye pattern amplitude d_EP 96 145
Root-mean-square error σ_d 8.3 6.5
Eye pattern quality Q_EP 11.5 22.3

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Hu Cheng, Wei Li, Wenping Guo, Kecheng Yang. Online Optimization on Operation Parameters of Range-Gated Imaging System Based on Gaussian Process Regression[J]. Acta Optica Sinica, 2019, 39(4): 0412010

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