What is it about?

Optical aberrations accompany each optical lens. We have shown for the first time that any optical elements, including photographic objectives, can achieve perfect image quality close to the diffraction limit. Let the post-processing system perceive optical aberrations, so that the system can stimulate the potential of any lens.

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Why is it important?

We propose a practical method for recovering the degradation caused by lens optical aberrations. It can help any lens achieve perfect image quality close to the diffraction limit. Moreover, the proposed method reduces the burden of optical designing and realizes the miniaturization of the lens.


I hope this article could provide a practical way to recover optical aberrations of each lens. Today’s optical design and imaging postprocessing system are divisive and we strongly insist that the optical lens and ISP systems can be seen as encoder and decoder, respectively. In this way, the lens-ISP joint design is possible for modern imaging systems. Although this work focuses on the postprocessing system of cameras, we envision that it is practical to jointly design optical lenses and ISP systems for aberration correction or many other tasks such as 3D visual reconstruction.

Shiqi Chen
Zhejiang University

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This page is a summary of: Optical Aberrations Correction in Postprocessing Using Imaging Simulation, ACM Transactions on Graphics, October 2021, ACM (Association for Computing Machinery),
DOI: 10.1145/3474088.
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