Spectral Characterization of Liquid Crystal Displays Based on Singular Value Decomposition

Jianwei Yao; Xiaohui Zhang; Changjun Li

doi:10.3788/AOS202141.1633002

Acta Optica Sinica, Volume. 41, Issue 16, 1633002(2021)

Spectral Characterization of Liquid Crystal Displays Based on Singular Value Decomposition

Jianwei Yao, Xiaohui Zhang^*, and Changjun Li

School of Computer and Software Engineering, University of Science and Technology Liaoning, Anshan, Liaoning 114051, China

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Figures & Tables(4)

Fig. 1. Comparison of grayscale measurement spectrum and pure color addition spectrum of EIZO display. (a) 60; (b) 135; (c) 195; (d) 255

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Table 1. Channel independence test of four displays
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Table 1. Channel independence test of four displays
ΔE₀₀ EIZO NEC BENQ Lenovo
Ave 0.81 1.29 1.36 0.87
Max 1.46 2.32 2.14 1.69

Table 2. Channel chromaticity constancy and number of basis vectors needed of four displays

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Table 2. Channel chromaticity constancy and number of basis vectors needed of four displays

Display	Channel	D_p	N_b	C₁	C_Nb
	R	9.57×10^-4	3	0.9934	0.9950
EIZO	G	7.49×10^-4	4	0.9932	0.9956
	B	1.65×10^-3	4	0.9905	0.9954
	R	4.43×10^-3	3	0.9931	0.9956
NEC	G	2.20×10^-3	3	0.9936	0.9952
	B	1.83×10^-3	3	0.9927	0.9952
	R	6.43×10^-3	4	0.9924	0.9953
BENQ	G	8.87×10^-4	4	0.9932	0.9957
	B	3.69×10^-3	4	0.9899	0.9951
	R	4.83×10^-3	5	0.9848	0.9954
Lenovo	G	3.66×10^-3	4	0.9828	0.9957
	B	1.80×10^-3	3	0.9883	0.9951

Table 3. Comparison of prediction accuracy of different characterization models

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Table 3. Comparison of prediction accuracy of different characterization models

Display	Model	Forward model				Inverse model
		ΔE₀₀		E_SMSRE /10^-4		ΔE₀₀		ΔE_RGB
		Ave	Max	Ave	Max	Ave	Max	Ave	Max
	SRPM	0.42		1.69		$\bar{0.1041}$		0.2582
	SRPPM	0.39		1.38		0.1042		0.2582		0.92	3.65	14.21	42.97
EIZO	GOG	0.49		1.85		0.1139		$\bar{0.2579}$		$\bar{0.02}$	$\bar{0.18}$	$\bar{3.64}$	15.59
	PLCC	0.47		1.79		0.1077		0.2605		0.01	0.13	3.68	$\bar{16.55}$
	SVD	0.39		$\bar{1.39}$		0.0960		0.2546		0.09	0.68	2.95	21.94
	SRPM	0.68		3.98		0.1767		0.5961
	SRPPM	$\bar{0.61}$		2.21		0.1780		0.6015		1.48	5.75	16.44	44.98
NEC	GOG	0.64		2.09		$\bar{0.1749}$		0.5948		0.01	0.48	4.97	14.68
	PLCC	0.62		2.21		0.1748		0.5868		0.01	0.10	$\bar{5.53}$	$\bar{15.15}$
	SVD	0.60		$\bar{2.17}$		0.1771		$\bar{0.5910}$		0.18	$\bar{0.42}$	6.68	17.80
	SRPM	0.86		5.84		0.1768		0.6478
	SRPPM	0.64		2.36		0.1408		0.4858		1.32	3.97	14.81	46.82
BENQ	GOG	0.75		4.22		0.2039		0.7515		$\bar{0.04}$	$\bar{1.25}$	5.44	$\bar{20.88}$
	PLCC	0.57		2.07		$\bar{0.1329}$		0.4726		0.02	0.65	$\bar{6.01}$	20.61
	SVD	$\bar{0.61}$		$\bar{2.26}$		0.1297		$\bar{0.4757}$		0.13	1.57	7.08	22.26
	SRPM	0.95		4.56		0.1913		0.6287
	SRPPM	$\bar{0.71}$		2.31		0.1794		0.5682		1.80	6.17	24.83	83.08
Lenovo	GOG	0.83		1.95		0.2148		0.7640		$\bar{0.10}$	0.97	8.05	28.61
	PLCC	0.73		1.76		$\bar{0.1718}$		$\bar{0.4875}$		$\bar{0.10}$	$\bar{0.96}$	$\bar{7.39}$	$\bar{25.24}$
	SVD	0.65		$\bar{1.94}$		0.1612		0.4869		0.06	0.20	2.99	9.23

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Jianwei Yao, Xiaohui Zhang, Changjun Li. Spectral Characterization of Liquid Crystal Displays Based on Singular Value Decomposition[J]. Acta Optica Sinica, 2021, 41(16): 1633002

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