Infrared and Laser Engineering, Volume. 52, Issue 5, 20220537(2023)
"Cat's eye" echo information assessment method of CCD damage status
Figures & Tables(10)
Fig. 1. (a) Basic structure of CCD; (b) Damage status of CCD; (c) Marked area, 3D topography image of CCD; (d) Undamaged area; (e) Damaged area
Fig. 2. (a) Schematic diagram of optical system platform for simultaneous polariztion imaging; (b) Experimental scene, system device (c) Transmitting and receiving system; (d) Detection system
Fig. 4. Relationship between smoothing fator and error rate 平滑因子 与错误率的关系
Fig. 5. Predition effect of long-distance outdoor models. (a) KNN; (b) K-SVM; (c) PNN
Fig. 6. Long-distance predition effect of different random numbers. (a) Error rate; (b) Predition time
Table 1. RMS parameter
Sq of CCD surfaceView tableView in ArticleTable 1. RMS parameter
Sq of CCD surfaceGroup Undamaged area Sq/μm Damaged area Sq/μm 1 3.931 6.357 2 4.114 6.522 3 4.115 5.705 4 4.074 5.191 5 4.099 6.033 6 4.142 5.643
Table 2. Input data format of model
View tableView in ArticleTable 2. Input data format of model
I DP Category label 309098 0.112896 1 320810 0.102260 1 284051 0.095712 1 296661 0.145772 1 291796 0.084086 1 387932 0.378391 2 370 913 0.316562 2 392 911 0.385240 2 396514 0.336255 2 396126 0.387806 2
Table 3. Error rates for different smoothing fators
\begin{document}$ \sigma $\end{document} View tableView in ArticleTable 3. Error rates for different smoothing fators
\begin{document}$ \sigma $\end{document} Smoothing fator Error rate 0.1 9.8639% 0.2 23.1293% 0.3 42.8571% 0.4 44.5578% 0.5 44.5578%
Table 4. Average of five random numbers in different data
View tableView in ArticleTable 4. Average of five random numbers in different data
Different data Mehod Number of errors/PSC Error rate Predition time/ms Near-distance experiment KNN 5 2.13678% 0.081 K-SVM 6 2.73506% 0.101 PNN 5 2.13678% 0.169 Long-distance experiment KNN 35 11.9728% 0.044 K-SVM 21 7.27888% 0.067 PNN 28 9.65986% 0.161 Mixed data KNN 66 12.42424% 3.377 K-SVM 73 13.86364% 4.273 PNN 57 10.7197% 7.751
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Ting Yu, Chunhui Niu, Yong Lv. "Cat's eye" echo information assessment method of CCD damage status[J]. Infrared and Laser Engineering, 2023, 52(5): 20220537
Paper Information
Category: Image processing
Received: Aug. 1, 2022
Accepted: --
Published Online: Jul. 4, 2023
The Author Email: Lv Yong (lvyong@bistu.edu.cn)
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