Jian-wei WANG, Wei-yan LI, Jian-ying SUN, Bing LI, Xin-wen CHEN, Zheng TAN, Na ZHAO, Yang-yang LIU, Qun-bo LÜ. Fast Spectral Calibration Method of Spectral Imager[J]. Spectroscopy and Spectral Analysis, 2022, 42(7): 2013
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 7, 2013 (2022)
Fig. 1. To be calibrated hyperspectral image
Fig. 2. Schematic diagram of the principle of spectral calibration
Fig. 3. Spectral calibration data
Fig. 4. Measured spectral response
Fig. 5. Wavelength-pixel position relationship
Fig. 6. Standard spectrometer and spectral imager collect data and fit curves
Fig. 7. Hyperspectral imager acquires mercury lamp spectral data
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Table 1. Monochromator output wavelength (nm)
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Table 2. Spectral resolution calculation
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Table 3. Low-pressure mercury lamp spectrum
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Table 4. Wavelength deviation of hyperspectral imager
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