Xiaowen Dong, Yang Xu, Cheng Gao, Changjun Li. Calculation of Light Source Corrected Color Temperature Based on Cone Fundamental Space[J]. Acta Optica Sinica, 2022, 42(2): 0233001
- Acta Optica Sinica
- Vol. 42, Issue 2, 0233001 (2022)
Fig. 1. Distribution of blackbody locus and chromaticity coordinates of 401 SPDs in u-v plane
Fig. 2. Distribution of chromaticity coordinates of 401 SPDs in uc-vc space under different scale factors. (a) Scale factor provided by formula (9); (b) scale factor provided by formula (10); (c) scale factor provided by formula (12)
Fig. 3. CCT mapping under different scale factors. (a) Scale factor provided by formula (9); (b) scale factor provided by formula (10); (c) scale factor provided by formula (12)
Fig. 4. Distribution of chromaticity coordinates of 401 SPDs in different coordinate spaces. (a) xF-yF space; (b) uF-vF space
Fig. 5. CCT mapping under different coordinate spaces. (a) xF-yF space; (b) uF-vF space
Fig. 6. Shape of spectra that produce the maximum color temperature error
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Table 1. Chromaticity coordinates based on L, M and S under different sets of scale factors
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Table 2. Summary of CCT of cone fundamental space
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Table 3. Summary of CCT after cone fundamental space transformed to XYZ space
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