Characterization and compensation of position errors of macro lens array in large-format integral imaging system

Yan MAO; Zhan YAN; Xin-lei LIU; Tao JING; Ying-qing HUANG; Xiao-yu JIANG; Xing-peng YAN

doi:10.37188/CJLCD.2022-0036

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Characterization and compensation of position errors of macro lens array in large-format integral imaging system

Light Field 3D Display | 更新时间：2022-06-22

- Characterization and compensation of position errors of macro lens array in large-format integral imaging system
- Chinese Journal of Liquid Crystals and Displays Vol. 37, Issue 5, Pages: 581-591(2022)
- 作者机构：
  
  陆军装甲兵学院信息通信系，北京 100072
- 作者简介：
- 基金信息：
  
  National Key Research and Development Program of China(2017YFB1104500);National Natural Science Foundation of China(61775240)
- DOI：10.37188/CJLCD.2022-0036
  CLC： O438.1
- Received：29 January 2022，
  
  Revised：22 February 2022，
  
  Published：05 May 2022
- 稿件说明：
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Yan MAO, Zhan YAN, Xin-lei LIU, et al. Characterization and compensation of position errors of macro lens array in large-format integral imaging system[J]. Chinese journal of liquid crystals and displays, 2022, 37(5): 581-591.
DOI：

Yan MAO, Zhan YAN, Xin-lei LIU, et al. Characterization and compensation of position errors of macro lens array in large-format integral imaging system[J]. Chinese journal of liquid crystals and displays, 2022, 37(5): 581-591. DOI： 10.37188/CJLCD.2022-0036.

摘要

在大幅面集成成像显示系统中，宏透镜阵列位置误差会严重影响成像质量。宏透镜阵列位置误差可以分为轴向位置误差和横向位置误差，理想情况下汇聚于重构点的像素在位置误差作用下将不再汇聚，这些像素将在其他点处成像。本文利用重构点到这些点的距离的平均值和方差对位置误差的大小进行了度量，并讨论了宏透镜阵列轴向位置和横向位置的测量方法，给出了宏透镜阵列轴向位置误差和横向位置误差的校正方法，从而缓解了宏透镜阵列位置误差对成像质量的影响，提高了显示效果。

Abstract

In the large-format integral imaging display system， the position error of the macro lens array will seriously affect the imaging quality. The position error of the macro lens array can be divided into axial position error and lateral position error. Pixels converging at the reconstructed point ideally will no longer converge with the position error， and will be imaged at other points. In this paper， the average and variance of the distances from the reconstructed point to these points are used to measure the size of the position error. In addition， this paper discusses the measurement methods of the axial and lateral positions of the macro lens array， and then gives the correction methods of the axial and lateral position errors of the macro lens array， thereby alleviating the influence of the macro lens array’s position error on the imaging quality and improving the display effect.

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references

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