Color Characterization of Barrier-Type Autostereoscopic Displays

Fig. 1. Settings for acquisition of XYZ tristimulus values of color-sample (8 cm×8 cm square of color sample located at center of display screen and PR-715 spectral radiometer located at 1.4 m away from screen)

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Fig. 2. Test results of channel independence at different brightness levels

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Fig. 3. Chromaticity coordinate distribution of primary colors and neutral colors at different brightness levels (triangle vertices indicating chromaticity coordinates of each channel at maximum brightness). (a) 3D mode; (b) 2D mode

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Fig. 4. Fitting curves of GOG model (abscissa indicating normalized values of three color components with maximum color value of 2N-1=255 and ordinate indicating normalized values of XYZ tristimulus). (a) 3D mode; (b) 2D mode

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Table 1. Measurement results of characteristic matrix
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Table 1. Measurement results of characteristic matrix
Pixel value 3D mode 2D mode
X Y Z X Y Z
d_r=255 34.950 19.180 3.818 93.180 49.360 4.836
d_g=255 36.780 75.600 11.110 101.600 209.600 23.690
d_b=255 22.500 8.791 113.300 49.110 19.160 255.700

Table 2. XYZ tristimulus values of 17 neutral color sample points

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Table 2. XYZ tristimulus values of 17 neutral color sample points

Pixel value(d_r=d_g=d_b)	3D mode				2D mode
Pixel value(d_r=d_g=d_b)	X	Y	Z		X	Y	Z
0	1.465			1.637		2.429		1.291	1.447	1.844
16	2.187			2.419		3.451		2.914	3.293	3.752
32	3.609			3.986		5.288		6.197	7.060	7.437
48	5.687			6.287		8.156		11.250	12.850	13.140
64	8.431			9.325		12.050		17.560	20.070	20.560
80	11.860			13.120		16.990		25.670	29.370	30.160
96	15.950			17.620		22.590		35.450	40.570	41.560
112	20.680			22.870		29.280		47.240	54.120	55.090
128	26.666			29.343		37.544		60.950	69.670	71.700
144	32.820			36.230		46.290		76.530	87.520	89.790
160	39.830			44.030		56.190		94.480	108.200	110.200
176	47.990			52.970		67.760		114.700	131.200	134.000
192	56.500			62.350		79.910		137.100	156.600	160.400
208	65.680			72.550		92.910		161.300	184.200	189.100
224	76.160			84.090		107.900		187.500	214.100	219.900
240	86.780			95.920		122.600		215.400	245.800	252.400
255	97.120			107.400		137.300		242.200	276.600	283.900

Table 3. Fitting results of GOG model parameters

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Table 3. Fitting results of GOG model parameters

Channel	3D mode				2D mode
Channel	k_G	k_O	γ	R²	k_G	k_O	γ	R²
Red	1.0071		0.0000		1.9236		0.9999		0.99888	0.00000	2.01887	0.9999
Green	1.0408		0.0000		1.9479		0.9999		1.00327	0.00000	2.01061	0.9999
Blue	1.0601		0.0000		1.9549		0.9999		1.00696	0.00000	2.02729	0.9999

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Zaiqing Chen, Kai Chen, Xiaoqiao Huang, Yonghang Tai, Junsheng Shi, Lijun Yun. Color Characterization of Barrier-Type Autostereoscopic Displays[J]. Acta Optica Sinica, 2019, 39(5): 0533002

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