Daoquan WEI, Huiqin WANG, Ke WANG, Zhan WANG, Gang ZHEN. Pigment Classification Method of Mural Sparse Multi-spectral Image Based on Space Spectrum Joint Feature[J]. Acta Photonica Sinica, 2022, 51(4): 0430002
- Acta Photonica Sinica
- Vol. 51, Issue 4, 0430002 (2022)
Fig. 1. Spatial feature extraction network structure
Fig. 2. Spectrum feature extraction network structure
Fig. 3. Space-spectrum joint feature extraction network
Fig. 4. Multispectral pigment board
Fig. 5. Self-made mock murals
Fig. 6. The training results of different methods under the paint board
Fig. 7. Color board classification results
Fig. 8. Classification results of different methods under self-made murals
Fig. 9. Self-made mural classification results
Fig. 10. 16-channel multispectral image of Venerable Injanta's skirt
Fig. 11. Partial region samples and classification results of skirts
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Table 1. The division of training set and test set of multispectral paint board
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Table 2. Classification accuracy of different methods under pigment board
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Table 3. Comparison of the scales of subjective image evaluation
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Table 4. Evaluation results of dual stimulation injury classification method
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Table 5. Objective evaluation results of image quality
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Table 6. Classification accuracy of self-made simulated murals by different methods
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