大视场高像质简单光学系统的光学-算法协同设计

郑云达; 黄玮; 徐明飞; 潘云; 贾树强; 张晓菲; 卢勇男

doi:10.3788/CO.20191205.1090

Volume 12 Issue 5

Oct. 2019

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Chinese Optics > 2019 > 12(5): 1090-1099.

ZHENG Yun-da, HUANG Wei, XU Ming-fei, PAN Yun, JIA Shu-qiang, ZHANG Xiao-fei, LU Yong-nan. Optical/algorithmic co-design of large-field high-quality simple optical system[J]. Chinese Optics, 2019, 12(5): 1090-1099. doi: 10.3788/CO.20191205.1090

Citation:

ZHENG Yun-da, HUANG Wei, XU Ming-fei, PAN Yun, JIA Shu-qiang, ZHANG Xiao-fei, LU Yong-nan. Optical/algorithmic co-design of large-field high-quality simple optical system[J]. Chinese Optics, 2019, 12(5): 1090-1099. doi: 10.3788/CO.20191205.1090

Citation:

ZHENG Yun-da, HUANG Wei, XU Ming-fei, PAN Yun, JIA Shu-qiang, ZHANG Xiao-fei, LU Yong-nan. Optical/algorithmic co-design of large-field high-quality simple optical system[J]. Chinese Optics, 2019, 12(5): 1090-1099. doi: 10.3788/CO.20191205.1090

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Optical/algorithmic co-design of large-field high-quality simple optical system

doi: 10.3788/CO.20191205.1090

ZHENG Yun-da^{1, 2
,},
HUANG Wei^{1
,
,},
XU Ming-fei¹,
PAN Yun^{1, 2},
JIA Shu-qiang¹,
ZHANG Xiao-fei^{1, 2},
LU Yong-nan^{1, 2}

1.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
2.
University of Chinese Academy of Sciences, , Beijing 100049, China

Funds: Supported by the State Key Laboratory of Applied Optics

More Information

Corresponding author: HUANG Wei, E-mail:huangw@ciomp.ac.cn
Received Date: 28 Dec 2018
Rev Recd Date: 26 Feb 2019
Publish Date: 01 Oct 2019

Abstract

Abstract

In order to meet requirements of the low cost and miniaturization of high-quality cameras, an optical/algorithmic co-design method for a large-field simple optical system is proposed. The residual aberrations of this simple optical system are corrected using an image restoration algorithm. Firstly, spatially varying cross-channel deconvolution is improved for large-field optical systems, wherein correction of lateral chromatic aberrations is introduced so that they can be significantly removed through the image restoration algorithm. Then, when designing the optical system, the constraints of chromatic aberrations are removed and we concentrate on optimizing the quality of the green channel to make the image sharp, which will help the restoration of images in the red and the blue channels in later cross-channel deconvolution. Using this method, a large-field simple optical system with two lenses of the same material is designed. The focal length of the system is 50 mm, the full field is 46 degrees, the F number is 5.6 and the resolution of the sensor is 10 mega pixels. Experimental results indicate that the image quality of the proposed simple large-field optical system is comparable to that when using a Cooke triplet lens and is better than that when using pure image restoration algorithms. Our proposed method succeeds as a simple large-field optical system and can obtain high-resolution and high-quality images.
- computational imaging,
- optical system design,
- image restoration,
- deconvolution

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References(22)

References

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