Performances of Different Color Matching Functions Examined by Metamerism Samples of LED Primary Colors

Min Huang; Yu Wang; Yu Li; Xiaoxue Hu; Xiu Li; Yu Liu

doi:10.3788/AOS202141.1633001

Acta Optica Sinica, Volume. 41, Issue 16, 1633001(2021)

Performances of Different Color Matching Functions Examined by Metamerism Samples of LED Primary Colors

Min Huang^*, Yu Wang, Yu Li, Xiaoxue Hu, Xiu Li, and Yu Liu

Author Affiliations

School of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(14)

Fig. 1. Spectral power distributions of primary colors of LED-Panel

Download full size

Fig. 2. Color gamut of different primary color combinations. (a) u'₁₀v'₁₀; (b) x₁₀y₁₀

Download full size

Fig. 3. Diagram of color matching experiment

Download full size

Fig. 4. Color matching results under different combinations calculated by CIE1964

Download full size

Fig. 5. Observer variability ellipses from different LED-RGB primary colors. (a) Proposed method; (b) Ref. [13] method

Download full size

Fig. 6. Spectral response distribution of different CMFs

Download full size

Fig. 7. Averaged u'₁₀v'₁₀values of matched devices with different CMFs in different combinations

Download full size

Table 1. Spectral and colorimetric information of primary colors of LED-Panel
View table
Table 1. Spectral and colorimetric information of primary colors of LED-Panel
Primary colors λ_measured /nm FWHM /nm x₁₀ y₁₀ u'₁₀ v'₁₀
R1 636 20 0.69 0.31 0.53 0.52
R2 672 20 0.71 0.29 0.57 0.51
G1 508 28 0.12 0.70 0.04 0.57
G2 524 32 0.24 0.73 0.09 0.58
B1 452 20 0.15 0.06 0.17 0.17
B2 472 21 0.11 0.17 0.09 0.32

Table 2. Spectral combination and change characteristics of target and matched devices

View table

Table 2. Spectral combination and change characteristics of target and matched devices

Target (combinations)	Matched (combinations)	Variations	Color gamut areas
Target (combinations)	Matched (combinations)	Variations	CIE 1964-x₁₀y₁₀	CIE 1976-u'₁₀v'₁₀
	L1(R1-G2-B1)	-	0.1697	0.0878
	L2(R2-G2-B1)	R	0.1773	0.0956
	L3(R1-G1-B1)	G	0.1766	0.0947
(R1-G2-B1)	L4(R1-G2-B2)	B	0.1533	0.0572
	L5(R1-G1-B2)	G+B	0.1530	0.0600
	L6(R2-G2-B2)	R+B	0.1602	0.0624
	L7(R2-G1-B1)	R+G	0.1827	0.1021

Table 3. Observer variations under different combinations

View table

Table 3. Observer variations under different combinations

Intra-observer	L1	L2	L3	L4	L5	L6	L7
Min	0.0005	0.0003	0.0009	0.0005	0.0005	0.0002	0.0006
Max	0.0062	0.0020	0.0041	0.0051	0.0040	0.0037	0.0041
Mean	0.0021	0.0009	0.0020	0.0022	0.0022	0.0017	0.0023
Inter-observer	L1	L2	L3	L4	L5	L6	L7
Min	0.0002	0.0005	0.0004	0.0010	0.0007	0.0010	0.0005
Max	0.0077	0.0063	0.0117	0.0114	0.0184	0.0105	0.0162
Mean	0.0029	0.0029	0.0048	0.0045	0.0071	0.0050	0.0073

Table 4. Parameters of observer variability ellipses from different LED-RGB primary color combinations

View table

Table 4. Parameters of observer variability ellipses from different LED-RGB primary color combinations

Parameter	Proposed method
Combination	L1	L2	L3	L4	L5	L6	L7
S	0.0039	0.0042	0.0068	0.0065	0.0097	0.0068	0.0099
θ	74.05	14.04	123.58	111.06	149.39	156.87	165.84
Parameter	Ref. [13] method
Color	White				Gray
Combination	L1	L2	L3	L4	L1	L2	L3	L4
S	0.0039	0.0079	0.0085	0.0082	0.0042	0.0060	0.0078	0.0090
θ	68.35	51.42	127.00	139.41	76.46	40.88	142.17	138.45

Table 5. Spectral information of different CMFs

View table

Table 5. Spectral information of different CMFs

Channel	CIE1964					CIE2006(22)
Channel	λ_max	Half-max		FWHM	STV_max	λ_max	Half-max		FWHM	STV_max
x(λ)	596	552	634	82	1.132	594	551	632	81	1.152
	442	419	470	51	0.387	441	419	468	49	0.420
y(λ)	557	503	612	109	0.999	556	500	611	111	1.000
z(λ)	445	420	476	56	2.018	446	420	473	53	2.147
Channel	S2					B17
Channel	λ_max	Half-max		FWHM	STV_max	λ_max	Half-max		FWHM	STV_max
x(λ)	595	554	633	79	1.229	595	554	635	81	1.063
	445	422	474	52	0.381	443	420	470	50	0.396
y(λ)	556	504	614	110	0.969	558	502	612	110	0.976
z(λ)	444	420	473	53	2.060	446	420	474	54	2.140

Table 6. Color matching results from different combinations with different CMFs in terms of Δ (u', v') values

View table

Table 6. Color matching results from different combinations with different CMFs in terms of Δ (u', v') values

CMFs	L1	L2	L3	L4	L5	L6	L7	Mean
CMFs	-	R	G	B	G+B	R+B	R+G	Mean
CIE1964	0.0031	0.0034	0.0079	0.0060	0.0109	0.0065	0.0107	0.0069
CIE2006	0.0031	0.0032	0.0104	0.0074	0.0141	0.0075	0.0126	0.0083
S2	0.0031	0.0073	0.0050	0.0052	0.0074	0.0098	0.0090	0.0067
B17	0.0031	0.0046	0.0068	0.0050	0.0088	0.0050	0.0080	0.0059

Table 7. Number of observer classification color matching functions and probability statistics
View table
Table 7. Number of observer classification color matching functions and probability statistics
CMFs L1 L2 L3 L4 L5 L6 L7 P /%
- R G B G+B R+B R+G
CIE1964 9 11 5 11 2 7 3 13.4
CIE2006 13 31 1 5 6 9 7 20.2
S2 11 4 40 13 34 6 23 36.7
B17 18 5 5 22 9 29 18 29.7
Total 51 51 51 51 51 51 51 100.0

Tools

Get Citation

Copy Citation Text

Min Huang, Yu Wang, Yu Li, Xiaoxue Hu, Xiu Li, Yu Liu. Performances of Different Color Matching Functions Examined by Metamerism Samples of LED Primary Colors[J]. Acta Optica Sinica, 2021, 41(16): 1633001

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Vision, Color, and Visual Optics

Received: Feb. 5, 2021

Accepted: Mar. 18, 2021

Published Online: Aug. 12, 2021

The Author Email: Huang Min (huangmin@bigc.edu.cn)

DOI:10.3788/AOS202141.1633001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Spectral and colorimetric information of primary colors of LED-Panel

Table 1. Spectral and colorimetric information of primary colors of LED-Panel

Table 2. Spectral combination and change characteristics of target and matched devices

Table 2. Spectral combination and change characteristics of target and matched devices

Table 3. Observer variations under different combinations

Table 3. Observer variations under different combinations

Table 4. Parameters of observer variability ellipses from different LED-RGB primary color combinations

Table 4. Parameters of observer variability ellipses from different LED-RGB primary color combinations

Table 5. Spectral information of different CMFs

Table 5. Spectral information of different CMFs

Table 6. Color matching results from different combinations with different CMFs in terms of Δ (u', v') values

Table 6. Color matching results from different combinations with different CMFs in terms of Δ (u', v') values

Table 7. Number of observer classification color matching functions and probability statistics

Table 7. Number of observer classification color matching functions and probability statistics