Yang Lu, Haisong Xu. Illumination Spectrum Estimation Method Based on Single Multispectral Image[J]. Acta Optica Sinica, 2022, 42(7): 0733001
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- Acta Optica Sinica
- Vol. 42, Issue 7, 0733001 (2022)
Fig. 1. Flow chart of illumination spectrum estimation method for multispectral images
Fig. 2. 8-channel spectral sensitivity function of multispectral imaging system
Fig. 3. Color images of partial scenes in CAVE database
Fig. 4. 8-channel multispectral images of oil painting
Fig. 5. Spectral estimation results of two challenging illuminants. (a) Illuminant 1; (b) illuminant 2
Fig. 6. Spectral estimation results of three typical illuminants. (a) Illuminant A; (b) illuminant D65; (c) illuminant LED
Fig. 7. Ink painting used in experiment
Fig. 8. Illumination spectrum estimation results based on real test platform
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Table 1. Performance comparison of different light source estimation methods based on simulated data
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Table 2. Performance comparison of different light source estimation methods based on real data
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