Xinyuan Gao, Min Huang, Yu Wang, Yu Li, Xiu Li, Zimo Yan, Yanfang Xu, Yu Liu. Color Calculation Accuracy of LED Display Based on CIE1931 Color Matching Functions[J]. Acta Optica Sinica, 2022, 42(22): 2233001
- Acta Optica Sinica
- Vol. 42, Issue 22, 2233001 (2022)
Fig. 1. SPDs of primaries measured using Photo Research PR-655 spectroradiometer
Fig. 2. Color gamut enclosed by the eight primary sets in the CIE1931 u'v' chromaticity diagram
Fig. 3. Experimental setup diagrams. (a) FOV is 8.6°; (b) FOV is 2.9°
Fig. 4. Distribution of visual color difference from 40 sample pairs for FOVs of 8.6° and 2.9°
Fig. 5. Visual color difference scattering dot distribution and linear fitting of 40 pair samples for FOVs of 8.6° and 2.9°
Fig. 6. Averaged visual color differences of observers in different primary sets
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Table 1. Summary of the primary sets
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Table 2. Scoring rules for visual color-difference evaluation experiments
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Table 3. Intra-observer and inter-observer variations in color difference evaluation experiments
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Table 4. F test of influences of different primary sets on visual color difference
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Table 5. Visual color difference for five colors in experiment
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