Multi-projection color correction based on free-form deformation technology

Peiguo HOU; Yanfei GAO; Tao SONG; Jihui QI

doi:10.5768/JAO202344.0401007

Journal of Applied Optics, Volume. 44, Issue 4, 748(2023)

Multi-projection color correction based on free-form deformation technology

Peiguo HOU1...2, Yanfei GAO1,2,*, Tao SONG1,2,3, and Jihui QI12 |Show fewer author(s)

Author Affiliations

¹School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China

²Hebei Key Laboratory of Digital Image Equipment and Digital Display Technology, Qinhuangdao 066004, China

³Qinhuangdao Audition Machinery Research Institute, Qinhuangdao 066004, China

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Abstract Get PDF(in Chinese)

Figures & Tables(8)

Fig. 1. Color correction flow chart of multi-projection display system

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Fig. 2. Fluctuation diagram of RGB color intensity after projection

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Fig. 3. Histogram of projection images after color correction with different methods

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Fig. 4. Projection image after color correction based on free-form deformation technology

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Fig. 5. Effect picture of four channel CAVE system before and after color correction

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Table 1. Range and root mean square error of output color intensity values of RGB channels

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Table 1. Range and root mean square error of output color intensity values of RGB channels

输入的颜色通道		输出的颜色强度值
输入变化的颜色通道	输入固定的颜色通道	样本极差	样本标准差	样本均方根误差
B	G	36.426 5	11.920 1	22.740 2
B	R	26.759 4	8.246 8	22.860 5
G	B	49.295 9	17.519 5	24.256 9
G	R	21.806 4	6.393 7	11.878 5
R	B	37.010 5	13.584 2	17.911 8
R	G	10.056 3	3.587 7	22.824 3

Table 2. Effect comparison of different color correction methods
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Table 2. Effect comparison of different color correction methods
方法 Correlation Chi-Square Bhattacharyya distance
文献[9] 0.783 3 162.357 1 0.151 2
文献[10] 0.832 5 122.893 6 0.142 6
本文 0.906 4 64.068 2 0.128 7

Table 3. Average difference of color intensity of projection pictures of two projectors after color correction
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Table 3. Average difference of color intensity of projection pictures of two projectors after color correction
颜色通道 RGB空间颜色强度平均差值
文献[9] 文献[10] 本文方法
B 16.03 9.42 6.92
G 13.52 6.98 4.64
R 14.92 8.69 5.12

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Peiguo HOU, Yanfei GAO, Tao SONG, Jihui QI. Multi-projection color correction based on free-form deformation technology[J]. Journal of Applied Optics, 2023, 44(4): 748

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Paper Information

Category: Research Articles

Received: Sep. 4, 2022

Accepted: --

Published Online: Aug. 10, 2023

The Author Email:

DOI:10.5768/JAO202344.0401007

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Range and root mean square error of output color intensity values of RGB channels

Table 1. Range and root mean square error of output color intensity values of RGB channels

Table 2. Effect comparison of different color correction methods

Table 2. Effect comparison of different color correction methods

Table 3. Average difference of color intensity of projection pictures of two projectors after color correction

Table 3. Average difference of color intensity of projection pictures of two projectors after color correction

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