Discrimination of Observer Metamerism Based on Different Display Devices

Min Huang; Ruili He; Chunli Guo; Yonghui Xi; Yu Liu

doi:10.3788/AOS201939.0133001

Journals >Acta Optica Sinica >Volume 39 >Issue 1 >Page 0133001 > Article

Acta Optica Sinica
Vol. 39, Issue 1, 0133001 (2019)

Discrimination of Observer Metamerism Based on Different Display Devices

Min Huang^*, Ruili He, Chunli Guo, Yonghui Xi, and Yu Liu

Author Affiliations

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

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DOI: 10.3788/AOS201939.0133001 Cite this Article Set citation alerts

Min Huang, Ruili He, Chunli Guo, Yonghui Xi, Yu Liu. Discrimination of Observer Metamerism Based on Different Display Devices[J]. Acta Optica Sinica, 2019, 39(1): 0133001 Copy Citation Text

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Fig. 1. Spectral power distributions of three primaries of display devices. (a) Red channel; (b) green channel; (c) blue channel

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Fig. 2. Color-matching experimental setup

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Fig. 3. Spectral response curves of 108 color-matching functions

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Fig. 4. Scattering distributions of matched data obtained by simulation based on different display devices. (a) a10*b10*plane; (b) L10*C10* plane

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Fig. 5. Scattering distributions of matched data obtained from color-matching experiment based on different display devices. (a) a10*b10*plane; (b) L10*C10* plane

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Fig. 6. Colorimetric ellipses of observers based on different display devices

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Fig. 7. (a)(c)(e)(g)(i) Simulation results and (b)(d)(f)(h)(j) color-matching experimental results based on different display devices and target device (different color stimuli)

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No.	Display	Luminance /(cd· $\begin{matrix} {m^{-}}^{2} \end{matrix}$ )	Correlated colour temperature /K	Tristimulus value (white points)			Resolution /(pixel×pixel)
No.	Display	Luminance /(cd· $\begin{matrix} {m^{-}}^{2} \end{matrix}$ )	Correlated colour temperature /K		X_n	Y_n	Z_n
1	IPAD	119.58	5038	116.31	117.58	105.69	2048×1536
2	NEC-PA241W	121.73	4996	112.14	119.05	93.33	1920×1200
3	NEC-PA242W	120.38	5012	114.81	120.28	94.89	1920×1200
4	QUATO-220ex	119.56	5053	109.25	117.24	88.89	1920×1080
5	EIZO-CG19	121.49	4989	112.77	117.01	99.45	1280×1024

Table 1. Specific parameters of display devices

Channel	IPAD		NEC-PA241W			NEC-PA242W			QUATO-220ex			EIZO-CG19
Channel		x	y		x		y	x	y	x	y	x	y
R	0.64	0.33	0.6	0.34		0.64	0.33		0.66	0.33		0.65	0.34
G	0.35	0.57	0.25	0.68		0.26	0.68		0.24	0.67		0.33	0.61
B	0.15	0.08	0.15	0.13		0.16	0.10		0.14	0.09		0.14	0.13
W	0.34	0.35	0.34	0.37		0.35	0.37		0.35	0.37		0.34	0.35

Table 2. Chromaticity coordinates of three primaries of display devices

Color	CIE-recommended colors						Target colors					Δ $\begin{matrix} E_{ab}^{*} \end{matrix}$
Color		$\begin{matrix} L_{1}^{*} \end{matrix}$		$\begin{matrix} a_{1}^{*} \end{matrix}$	$\begin{matrix} b_{1}^{*} \end{matrix}$	$\begin{matrix} C_{1}^{*} \end{matrix}$	$\begin{matrix} h_{1 ab}^{*} \end{matrix}$	$\begin{matrix} L_{1}^{*} \end{matrix}$	$\begin{matrix} a_{1}^{*} \end{matrix}$	$\begin{matrix} b_{1}^{*} \end{matrix}$	$\begin{matrix} C_{1}^{*} \end{matrix}$	$\begin{matrix} h_{1 ab}^{*} \end{matrix}$
Gray	62	0	0	0	0		63.0	-0.5	0.6	0.8	127.0	1.3
Red	44	37	23	43.6	31.9		45.9	37.7	23.3	44.3	31.7	2.0
Yellow	87	-7	47	47.5	98.4		88.6	-6.9	46.3	46.8	98.4	1.8
Green	56	-32	0	32.0	180.0		57.0	-27.1	0.7	27.1	178.5	5.0
Blue	36	5	-31	31.4	279.1		37.1	3.1	-31.1	31.2	275.7	2.2

Table 3. Colorimetric values of CIE-recommended colors and colors from target display device

Condition		No.1				No.2				No.3		No.4 and No.5
Condition			No.2		No.3	No.4	No.5	No.3	No.4	No.5	No.4	No.5
Simulation	$\begin{matrix} \bar{OM} \end{matrix}$	8.10	8.42	9.50	3.91	0.91	1.74	4.81		3.85	2.82	6.55
	OM_max	14.56	12.77	16.00	9.21	2.75	3.67	9.00		7.12	6.38	9.45
Experiment	$\begin{matrix} \bar{OM} \end{matrix}$	7.61	6.76	9.59	3.89	4.41	4.71	6.33		6.13	5.85	8.22
	OM_max	15.32	18.98	20.73	11.08	12.83	14.41	15.16		14.24	19.52	15.11

Table 4. Indexes of observer metamerism based on different display devices

Channel	Peak wavelength position /nm
Channel	No.1	No.2	No.3	No.4	No.5
R	616	660	652	620	612
G	548	516	520	516	544
B	448	436	444	436	436

Table 5. Peak wavelength positions of R/G/B channels of different display devices

Item	No.1				No.2				No.3		No.4 and No.5
Item		No.2		No.3	No.4	No.5	No.3	No.4	No.5	No.4	No.5
Gray	7.40	6.32	10.18	3.37	4.26	4.69	6.14		6.59	5.43	8.76
Red	6.14	4.82	7.41	3.31	4.67	4.49	4.77		5.55	4.46	5.74
Yellow	9.77	9.05	10.10	4.69	4.68	5.08	7.86		6.55	7.27	8.97
Green	6.96	6.51	9.08	3.33	4.06	4.37	6.20		5.53	5.60	8.04
Blue	7.79	7.11	11.17	4.75	4.37	4.92	6.71		6.45	6.50	9.61
Mean	7.61	6.76	9.59	3.89	4.41	4.71	6.33		6.13	5.85	8.22

Table 6. Color-matching experimental results for different display devices and different color stimuli

Min Huang, Ruili He, Chunli Guo, Yonghui Xi, Yu Liu. Discrimination of Observer Metamerism Based on Different Display Devices[J]. Acta Optica Sinica, 2019, 39(1): 0133001

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