Infrared and Laser Engineering, Volume. 51, Issue 10, 20211120(2022)
Research on optical camera imaging quality evaluation method under the condition of laser irradiation
Figures & Tables(12)
Fig. 3. Relative error of MTFA value under different edge obliquities
Fig. 4. Influence of different amplitude background noises on the calculation accuracy of MTF
Fig. 5. Interference effect of optical camera under different laser power densities
Fig. 6. Interference effect of optical camera under different spot positions
Fig. 9. Construction scheme of image quality evaluation system for optical camera under laser irradiation
Table 1. MTFA values of two degraded images
View tableView in ArticleTable 1. MTFA values of two degraded images
Standard deviation MTFA calculated value MTFA theoretical value Relative error σ=1 0.4316 0.4298 0.004 σ=2 0.2239 0.2248 0.004
Table 2. MTFA value under different gray contrast
View tableView in ArticleTable 2. MTFA value under different gray contrast
Grayscale contrast MTFA calculated value Relative error 0 & 255 0.4303 0.0014 20 & 235 0.4292 0.0012 40 & 215 0.4301 0.0009 60 & 195 0.4286 0.0026 80 & 175 0.4275 0.0052 100 & 155 0.4257 0.0094 120 & 135 0.4280 0.0040
Table 3. MTFA values of different interference graphs
View tableView in ArticleTable 3. MTFA values of different interference graphs
Interference graph (a) (b) (c) (d) MTFA 0.4110 0.3924 0.3736 0.3559 Interference graph (e) (f) (g) (h) MTFA 0.4177 0.4091 0.3559 -
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Xiaolin Liang, Songqing Zhou, Ling Zhou, Bengang Bao. Research on optical camera imaging quality evaluation method under the condition of laser irradiation[J]. Infrared and Laser Engineering, 2022, 51(10): 20211120
Paper Information
Category: Lasers & Laser optics
Received: Dec. 28, 2021
Accepted: Mar. 14, 2022
Published Online: Jan. 6, 2023
The Author Email: Zhou Songqing (122322855@qq.com)
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