Acta Optica Sinica, Volume. 37, Issue 9, 0933001(2017)
Spectral Reconstruction from Single RGB Image of Trichromatic Digital Camera
Figures & Tables(6)
Fig. 1. Sample distributions in CIE1931 chromaticity diagram. (a) Training samples; (b) reconstruction samples
Fig. 2. Influence of the number of local training samples on spectral reconstruction errors. (a) CIEDE2000 color difference; (b) root-mean-square error
Fig. 3. Influence of response expansion item number on spectral reconstruction errors. (a) CIEDE2000 color difference; (b) root-mean-square error
Fig. 4. Relationship between small value σ and spectral reconstruction errors. (a) CIEDE2000 color difference; (b) root-mean-square error
Fig. 5. Samples number distribution of reconstruction errors of different methods. (a) CIEDE2000 color difference; (b) root-mean-square error
Table 1. Comparison on spectral reconstruction results between the proposed and current existing methods
View tableTable 1. Comparison on spectral reconstruction results between the proposed and current existing methods
Method Δ de2000E RMSMean Maximum Standard deviation Mean Maximum Standard deviation RLS 1.2328 5.7986 0.7560 0.0288 0.1757 0.0228 PLS 1.2334 5.8023 0.7558 0.0288 0.1759 0.0228 Xiao 1.4502 8.0282 0.9467 0.0300 0.1860 0.0229 Zhang 1.2345 5.8020 0.7565 0.0314 0.1844 0.0234 Proposed 1.0389 8.3738 0.7379 0.0230 0.1361 0.0205
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Jinxing Liang, Xiaoxia Wan. Spectral Reconstruction from Single RGB Image of Trichromatic Digital Camera[J]. Acta Optica Sinica, 2017, 37(9): 0933001
Paper Information
Category: Vision, Color, and Visual Optics
Received: Mar. 20, 2017
Accepted: --
Published Online: Sep. 7, 2018
The Author Email: Wan Xiaoxia (wan_whu@hotmail.com)
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