采用色差先验约束的像差校正技术

张金刚; 相里斌; 汶德胜; 王书振

doi:10.3788/CO.20181104.0560

Volume 11 Issue 4

Jul. 2018

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Chinese Optics > 2018 > 11(4): 560-567.

ZHANG Jin-gang, XIANG LI-bin, WEN De-sheng, WANG Shu-zhen. Aberration correction technology based on chromatic aberration prior constraints[J]. Chinese Optics, 2018, 11(4): 560-567. doi: 10.3788/CO.20181104.0560

Citation:

ZHANG Jin-gang, XIANG LI-bin, WEN De-sheng, WANG Shu-zhen. Aberration correction technology based on chromatic aberration prior constraints[J]. Chinese Optics, 2018, 11(4): 560-567. doi: 10.3788/CO.20181104.0560

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Aberration correction technology based on chromatic aberration prior constraints

doi: 10.3788/CO.20181104.0560

ZHANG Jin-gang^{1, 2, 3
,},
XIANG LI-bin^{1
,
,},
WEN De-sheng³,
WANG Shu-zhen^4
,

1.
Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100194, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an 710119, China
4.
School of Computer Science and Technology, Xidian University, Xi'an 710071, China

Funds:

National Natural Science Foundation of China 61775219

National Natural Science Foundation of China 61771369

National Natural Science Foundation of China 61640422

National Natural Science Foundation of China 61540028

Joiny Fund for Equipment Pre-Research of the Chinese Academy of Sciences 6141A01011601

More Information

Corresponding author: XIANG LI-bin, E-mail:xiangli@aoe.ac.cn
Received Date: 11 Jan 2018
Rev Recd Date: 13 Mar 2018
Publish Date: 01 Aug 2018

Abstract

Abstract

A priori constraint of the chromatic aberration of "the edges of the same object should be in the same position in the three color channels" is proposed by analyzing the correlation between the three channels of the natural image edge in this paper.The priori constraint is mathematically approximated as the relative derivative of each channel.Based on this chromatic aberration prior constraint, a new aberration correction model, namely the image deconvolution model, is established, and a model solving algorithm based on ADMM is given.The experimental results show that this aberration correction technique can improve the peak SNR of image by more than 10 dB, which is much better than the current mainstream algorithms such as BM3D and YUV.Moreover, the visual image performance is greatly enhanced, thus basically meets the common optical system correction requirements for aberrations.
- aberration correction,
- deconvolution,
- chromatic aberration prior,
- alternating direction method of multipliers

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References(20)

References

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