Infrared and Laser Engineering, Volume. 54, Issue 1, 20240298(2025)
Research on scattering suppression imaging technology under computational optics framework (invited)
Fig. 2. Experimental device diagram of ballistic light extraction based on super continuous illumination and annular space gate[8]
Fig. 4. (a) Non-scattering medium imaging; (b) Imaging through a scattering medium; (c) Traditional optical Kerr gate imaging; (d) SOKG imaging[9]
Fig. 5. (a1) and (b1) are the initial images; (a2) and (b2) are grayscale images, and the red matrix area is the selected background scattering light area; (a3) and (b3) are the results of the traditional underwater polarization de-scattering method; (a4) and (b4) are the results of the mentioned method[6]
Fig. 7. (a) Comparison of different imaging methods under low concentration and high concentration scattering medium conditions; (b), (c) A local enlarged contrast map of the selected region[11]
Fig. 8. Optical random corridor speckle correlation imaging process[13]. (a) Experimental optical path; (b) Subspace reduction process; (c), (f) Speckle correlation; (d), (g) Reconstructed image; (e), (h) Imaging target
Fig. 9. Flow chart of imaging method of research team of Hanjing National University[15]
Fig. 10. Comparison between (a) array-based imaging system and (b) photon scanning imaging system[16]
Fig. 13. DOPC system optical path. (a) Wave front measurement; (b) Spatial light modulation[30]
Fig. 14. Principle optical path diagram of annular interferometer method[31]
Fig. 15. (a) Conventional imaging method; (b) Computational ghost imaging method
Fig. 16. (a) Non-scattering medium; (b) The scattering medium is located in the emission path; (c) The scattering medium is located in the receiving path; (d) Scattering medium is located in the transmitting path and receiving path[32]
Fig. 18. The underwater computational ghost imaging experimental device with different positions (
Fig. 19. Simulation of imaging results of the object set in
Fig. 24. Extensible computing ghost imaging system and blurred image training process[45]
Fig. 25. Interaction process of photons propagating in scattering medium[45]
Fig. 26. Degradation results of Hadamard matrix after passing through scattering medium[45]. (a) Hadamard patterns with high energy; (b) Degraded patterns simulated with PCM
Fig. 27. The principle diagram of computational ghost imaging system based on PSF optimization[46]
Fig. 28. Comparison of the results of Fourier method single pixel imaging and optimized PSF computational ghost imaging method[46]
Fig. 29. Scattering image reconstruction results under different target backgrounds[47]
Fig. 30. Scattering imaging results at different distances and different media[48]
Fig. 31. Comparison of imaging results in the new natural scattering scene[50]
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Xuemin CHENG, Lieyu LUO, Zesen ZHANG, Qun HAO. Research on scattering suppression imaging technology under computational optics framework (invited)[J]. Infrared and Laser Engineering, 2025, 54(1): 20240298
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Received: Sep. 22, 2024
Accepted: --
Published Online: Feb. 12, 2025
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