Jun SU, Hao WANG, Yuan CHEN, Jinsong WANG. Narcissus elimination based on Butterworth cross-section fitting[J]. Infrared and Laser Engineering, 2024, 53(12): 20240405
- Infrared and Laser Engineering
- Vol. 53, Issue 12, 20240405 (2024)
Fig. 1. Flow of narcissus correction method based on Butterworth cross-section function
Fig. 2. Narcissus map
Fig. 3. (a) Cooling infrared optical system structure; (b) MTF curve
Fig. 4. (a) Ray tracing diagram; (b) Fifth surface ray tracing map
Fig. 5. Narcissus irradiation diagram
Fig. 6. Comparison of simulated image scenes
Fig. 7. Comparison of real image scenes
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Table 1. YNI for each surface of the system
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Table 2. PSNR and SSIM values for simulated image scenes
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Table 3. PSNR and SSIM values for physical image scenes
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Table 4. STD values for different image scenes
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