Discrimination of Observer Metamerism Based on Different Display Devices

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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Table 1. Specific parameters of display devices

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Table 1. Specific parameters of display devices

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 2. Chromaticity coordinates of three primaries of display devices

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Table 2. Chromaticity coordinates of three primaries 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 3. Colorimetric values of CIE-recommended colors and colors from target display device

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

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 4. Indexes of observer metamerism based on different display devices

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

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 5. Peak wavelength positions of R/G/B channels of different display devices
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Table 5. Peak wavelength positions of R/G/B channels of different display devices
Channel Peak wavelength position /nm
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 6. Color-matching experimental results for different display devices and different color stimuli

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

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

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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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Paper Information

Category: Vision, Color, and Visual Optics

Received: Jun. 27, 2018

Accepted: Aug. 22, 2018

Published Online: May. 10, 2019

The Author Email:

DOI:10.3788/AOS201939.0133001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Specific parameters of display devices

Table 1. Specific parameters of display devices

Table 2. Chromaticity coordinates of three primaries of display devices

Table 2. Chromaticity coordinates of three primaries of display devices

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

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

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

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

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

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

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

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