• Laser & Optoelectronics Progress
  • Vol. 56, Issue 22, 223004 (2019)
Wen Xie, Danqing Chen, and Xiaoxia Wan*
Author Affiliations
  • School of Printing and Packaging, Wuhan University, Wuhan, Hubei 430072, China
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    DOI: 10.3788/LOP56.223004 Cite this Article Set citation alerts
    Wen Xie, Danqing Chen, Xiaoxia Wan. Construction Method of Metameric Pairs for Illuminant Detection[J]. Laser & Optoelectronics Progress, 2019, 56(22): 223004 Copy Citation Text show less
    Flow chart of construction method of metameric pairs based on matrix R theory
    Fig. 1. Flow chart of construction method of metameric pairs based on matrix R theory
    Relative spectral energy distribution curves of four test illuminates
    Fig. 2. Relative spectral energy distribution curves of four test illuminates
    Spectral reflectance curves of four metameric pairs in visible range. (a) N-M65; (b) N-M50; (c) N-MA; (d) N-M11
    Fig. 3. Spectral reflectance curves of four metameric pairs in visible range. (a) N-M65; (b) N-M50; (c) N-MA; (d) N-M11
    Color simulation of metameric pairs N-M65 under four test illuminants
    Fig. 4. Color simulation of metameric pairs N-M65 under four test illuminants
    Standard illuminantParameterNM65M50MAM11
    D65L36.8036.8036.9737.6558.67
    a13.8313.838.625.19-20.38
    b14.6614.6616.5514.9352.18
    D50L37.3837.2837.3838.0658.85
    a15.2420.2715.248.20-16.02
    b15.7414.3415.7416.9751.13
    AL39.2839.4539.2439.2858.99
    a15.7931.9127.7015.797.30
    b18.9714.5015.2818.9767.43
    F11L38.2033.7630.9039.3338.20
    a15.5528.0319.412.6115.55
    b23.007.6113.7030.0923.00
    Table 1. L, a, and b values of four metameric pairs under illuminants of D65, D50, A, and F11
    Standard illuminantColor differenceN-M65N-M50N-MAN-M11
    D65ΔE7605.548.6855.29
    ΔE9404.176.2339.93
    ΔECMC06.699.6855.10
    ΔE200004.917.9937.23
    D50ΔE765.2207.18051.87
    ΔE943.5705.1537.55
    ΔECMC5.3907.8850.93
    ΔE20003.6006.1136.00
    AΔE7616.7312.46053.01
    ΔE9410.778.24033.23
    ΔECMC16.5712.85042.13
    ΔE20009.667.67028.94
    F11ΔE7614.3012.4414.800
    ΔE9410.169.9610.390
    ΔECMC16.2713.9117.910
    ΔE20009.389.0012.040
    Table 2. Color differences among four metameric pairs under illuminants of D65, D50, A, and F11
    Wen Xie, Danqing Chen, Xiaoxia Wan. Construction Method of Metameric Pairs for Illuminant Detection[J]. Laser & Optoelectronics Progress, 2019, 56(22): 223004
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