Acta Optica Sinica, Volume. 44, Issue 23, 2312002(2024)
Modeling and Compensation Method of Camera Temperature Drift Effect
Fig. 1. Schematic diagrams of image planes before and after translation (dashed quadrilateral represents original image plane, and blue quadrilateral represents image plane after translation)
Fig. 2. Schematic diagrams of image planes before and after rotation (white quadrilateral represents image plane after translation, and gray quadrilateral represents image plane after rotation)
Fig. 4. Relationship among camera internal temperature, temperature control box temperature, indoor temperature, and time
Fig. 5. Relationship between change of each parameter and temperature in experiment 2. (a)
Fig. 6. Relationship between two equivalent focal length changes and camera internal temperature. (a)(b) Experiment 1;
Fig. 7. Regression results of Gaussian processes. (a)
Fig. 8. Histograms of image point drifts before and after compensation of four groups of experiments. (a) Linear regression; (b) neural network; (c) support vector regression; (d) decision tree regression; (e) Gaussian process regression
Fig. 10. Change curves of temperature and image point coordinates with time in outdoor experiment 1
Fig. 11. Displacement error distributions before and after compensation. (a) Experiment 2; (b) experiment 3
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Zechun Lin, Huiping Liang, Lihao Liu, Baoqiong Wang, Yi Zhang, Yueqiang Zhang, Xiaolin Liu, Qifeng Yu. Modeling and Compensation Method of Camera Temperature Drift Effect[J]. Acta Optica Sinica, 2024, 44(23): 2312002
Category: Instrumentation, Measurement and Metrology
Received: Jul. 5, 2024
Accepted: Aug. 22, 2024
Published Online: Dec. 17, 2024
The Author Email: Zhang Yueqiang (yueqiang.zhang@szu.edu.cn)
CSTR:32393.14.AOS241254