光学学报, 2020, 40 (13): 1333001, 网络出版: 2020-07-09 复制并引用该论文  本文已被引 2 次  被引通知

图 & 表

图 1. 感知亮度与光亮度、色纯度、色调关系示例。(a)光亮度^[7];(b)色纯度;(c)色调

Fig. 1. Examples of relations among perceived brightness and luminance, purity, hue. (a) Luminance^[7]; (b) purity; (c) hue

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图 2. 单色、双色激光投影电视色域比较

Fig. 2. Comparison of color gamut between laser projection televisions using single diode and dual diodes

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图 3. 实验设置。(a)实验一;(b)实验二

Fig. 3. Experimental setup. (a) The first experiment; (b) the second experiment

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图 4. 实验二的自然图片。(a)草莓;(b)叶子;(c)天空;(d)女性;(e)彩色曲线

Fig. 4. Natural images in the second experiment. (a) Strawberry; (b) leave; (c) sky; (d) female; (e) color curve

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图 5. 实验一结果。(a)光亮度;(b)光亮度的比值

Fig. 5. Results of the first experiment. (a) Luminance; (b) ratio of luminance

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图 6. 单色激光投影电视的等L_seq/L线

Fig. 6. Equal L_seq/L loci of laser projection television with single diode

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图 7. 实验二结果。(a)光亮度;(b)光亮度的比值

Fig. 7. Results of the second experiment. (a) Luminance; (b) ratio of luminance

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表 1实验一的图片参数

Table1. Image parameters in the first experiment

No. Reference image Test image Grey level CIE color coordinate Luminance / (cd·m-2) Color Saturation gear P /% CIE color coordinate x y x y 1 151 0.2911 0.2851 35.4 R 50 98.84 0.6476 0.3482 2 199 0.2911 0.2851 64.7 G(A) 50 87.97 0.3122 0.6317 3 199 0.2911 0.2851 64.7 G(B) 15 35.83 0.2920 0.4333 4 111 0.2911 0.2851 18.3 B 50 99.77 0.1491 0.0256 5 231 0.2911 0.2851 89.5 Y(A) 50 92.35 0.4313 0.5376 6 231 0.2911 0.2851 89.5 Y(B) 23 76.14 0.4108 0.4864 7 175 0.2911 0.2851 49.0 C(A) 50 42.49 0.2037 0.2288 8 175 0.2911 0.2851 49.0 C(B) 15 26.29 0.2358 0.2537 9 207 0.2911 0.2851 70.1 M 50 76.81 0.2457 0.0879

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表 2实验二中纯色度图片的参数

Table2. Parameters of pure chromatic images in the second experiment

No. Color Reference image Test image CIE color coordinate Luminance / (cd·m-2) CIE color coordinates x y x y 1 R 0.6476 0.3482 13.5 0.7093 0.2806 2 G 0.3122 0.6317 51.9 0.2784 0.6646 3 B 0.1491 0.0256 4.0 0.1505 0.0246 4 Y 0.4313 0.5376 95.4 0.3899 0.5760 5 C 0.2037 0.2288 55.8 0.1872 0.2080 6 M 0.2457 0.0879 17.8 0.2061 0.0501

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表 3三种激光投影电视的相关参数对比

Table3. Comparison of relative parameters of three types of laser projection televisions

Type Luminancea /(cd·m-2) Total power /W E /(nit·W-1) Color gamut vs NTSC b /% 100″(B laser) 350 360 0.97 80 100″(R+B laser) 380 380 1.00 110 100″(R+G+B laser) 420 350 1.20 146 aLuminance is measured from DNP screen, and DNP is the supplier of optical projection screens;bNTSC color gamut: this color gamut has been developed by National Television System Committee of the United States.

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王飞霞, 金岑芩, 李晓华, 王坚, 黄晓煜, 王皓, 屠彦. 激光投影电视的感知亮度与色度关系[J]. 光学学报, 2020, 40(13): 1333001. Feixia Wang, Cenqin Jin, Xiaohua Li, Jian Wang, Xiaoyu Huang, Hao Wang, Yan Tu. Relationship Between Perceived Brightness and Chromaticity of Laser Projection Television[J]. Acta Optica Sinica, 2020, 40(13): 1333001.