Journal of Infrared and Millimeter Waves, Volume. 42, Issue 1, 50(2023)
Efficient information acquisition spectral imaging system based on multi-field slits
Fig. 1. The schematic diagram of the detector display under the slit scanning mode of the SSHI system
Fig. 3. Comparison of three spectral imaging methods,(a)the slit scanning mode of the SSHI system,(b)the uncoupled slit array scanning of uSASHI,(c)the coded slit array scanning of cSASHI
Fig. 7. Physical view of different types of slits (a) single slit, (b) uniform array slit, (c) coded array slit
Fig. 9. Spectral calibration results for 5 typical fields of view (a) center wavelength, (b) spectral resolution
Fig. 10. Imaging objectives and preliminary imaging results (a) RGB Image, (b) sampling images, (c) imaging without synchronization correction
Fig. 12. Reflectance curves (a)~(d): reflectance curves corresponding to positions 1~4 respectively
Fig. 13. Outdoor imaging physical picture (a) target in the red box, (b) system physical
Fig. 14. Outdoor panchromatic channel imaging and spectral imaging results (a) panchromatic channel imaging, (b) single-band image of 30 channels
Fig. 15. Results of 10 Hz video spectral imaging implemented by uSASHI (a)-(e) are the results of continuous 1s spectral imaging(half of them)
Fig. 16. Spectral imaging results of cSASHI at different sampling rates (a)-(e) Spectral imaging results at 16.6 Hz for 60% sampling rate, 14.3 Hz for 70% sampling rate, 12.5 Hz for 80% sampling rate, 11 Hz for 90% sampling rate, and 10 Hz for 100% sampling rate, respectively
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Shi-Jie LIU, Xing-Yu ZHANG, Hao ZHOU, Chun-Lai LI, Dong Jing LI, Hong-Xing QI, Jian-Yu WANG. Efficient information acquisition spectral imaging system based on multi-field slits[J]. Journal of Infrared and Millimeter Waves, 2023, 42(1): 50
Category: Research Articles
Received: Jun. 21, 2022
Accepted: --
Published Online: Feb. 23, 2023
The Author Email: Hong-Xing QI (qihongxing@ucas.ac.cn), Jian-Yu WANG (jywang@mail.sitp.ac.cn)