Qingsheng XUE, Haoxuan BAI, Hui LI, Yajun WANG, Dongxue ZHANG. Development of Underwater Hyperspectral Imaging Detecting Technology （Invited）[J]. Acta Photonica Sinica, 2021, 50(12): 1201001
- Acta Photonica Sinica
- Vol. 50, Issue 12, 1201001 (2021)
Fig. 1. Principe of line scanning hyperspectral imaging technology［6］
Fig. 2. Different data acquiring methods of hyperspectral imaging［21］
Fig. 3. Sketch map of the detecting progress with a push-broom underwater hyperspectral imaging detecting system［31］
Fig. 4. The intensity of downwelling irradiance（300 nm~2 500 nm） at different depth in the ocean［32］
Fig. 5. Two kinds of market oriented underwater hyperspectral imager products
Fig. 6. Common types of sensors used in underwater hyperspectral detecting system
Fig. 7. Relationships between different software in underwater hyperspectral detecting system
Fig. 8. Part functions of the underwater hyperspectral detecting software
Fig. 9. ENVI remoting data process software
Fig. 10. The working underwater hyperspectral imaging systems of NTU［40］
Fig. 11. The hyperspectral image shot by underwater hyperspectral detecting system at 2012 and its classification result［40］
Fig. 12. The hyperspectral image shotted by NTNU underwater hyperspectral detecting system using UHI-2 imager at 2016［40］
Fig. 13. False color image of underwater manganese nodules shotted by NTU underwater hyperspectral detecting system & classification result of the hyperspectral image［13］
Fig. 14. The underwater hyperspectral detecting system using a stationary platform developed by NTU［14］
Fig. 15. The false color image gotten by the underwater hyperspectral imaging system using stationary platform & classification result of the hyperspectral data［14］
Fig. 16. The shallow water hyperspectral detecting system developed by NTNU［36］
Fig. 17. The hyperspectral image shotted by the system mentioned above in shallow water and its classification result［36］
Fig. 19. The hyperspectral detecting system developed by the Max Planck Institute for Marine Microbiology［35］
Fig. 20. The false color image of underwater sediments & Chlorophyll concentration distribution gotten by inverting the hyperspectral data［35］
Fig. 21. The ‘HyperDiver’ underwater imaging detecting system developed by the Max Planck Institute for Marine Microbiology［17］
Fig. 22. The hyperspectral data gotten by using the HyperDiver detecting system［17］
Fig. 23. The hyperspectral data gotten by Institute of Marine Sciences of Italy［19］
Fig. 24. The underwater hyperspectral imaging system based on filter wheel developed by Zhejiang University［24］
Fig. 25. The hyperspectral data gotten by using the filter wheel underwater hyperspectral imager mentioned above［24］
Fig. 26. The spectral data of underwater microplastic and its classification result by using SVM algorithm［53］
Fig. 27. The image taken at air、underwater and the corrected underwater image［53］
Fig. 28. The underwater hyperspectral imaging system based on P-G-P dispersion structure developed by Zhejiang University［51］
Fig. 29. The classification result of different algae's hyperspectral data by using PCA methods［51］
Fig. 30. The design result and real system of underwater hyperspectral imaging system developed by Ocean University of China［38］
Fig. 31. Hyperspectral image at different wavelengths and its spectral curve gotten by Ocean University of China［38］
Fig. 32. Sketch map of the effect on hyperspectral image by shaking the system in different directions
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Table 1. Various properties comparison of different hyperspectral imaging methods
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Table 2. Several kinds of platform used in underwater hyperspectral imaging detection
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Table 3. Comparison of different dispersive elements
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Table 4. Several kinds of hyperspectral imaging system used in research or commercialized
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Table 5. Parameters and values of the UHI-1 system
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Table 6. Parameters and values of the UHI-2 system
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Table 7. Parameters and values of the spectral imager developed by Zhejiang University
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Table 8. Parameters and values of the hyperspectral imaging system developed by Ocean University of China
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