Research on a simple wide-angle optical modality based on computational imaging technology

Jiarui Ji; Lei Yang; Hongbo Xie

doi:10.1117/12.2616422

8 July 2022 Research on a simple wide-angle optical modality based on computational imaging technology

Jiarui Ji, Lei Yang, Hongbo Xie

Proceedings Volume 12282, 2021 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems; 122820H (2022) https://doi.org/10.1117/12.2616422
Event: 2021 International Conference on Optical Instruments and Technology, 2022, Online Only

Abstract

With the rapid development of information technology, people's demands for large-angle coverage and high-information acquisition of optical systems are increasing in industrial production and daily life. Therefore, the requirements for imaging quality of wide-angle lenses are improving. Aiming at solving the severe aberrations in the design of the wide-angle lens, traditional optical designs often introduce complex structures. However, a complex structure will bring several drawbacks such as large volume, heavyweight and high cost. Computational imaging technology(CIT) takes information-driven as the core, breaks the imaging mode of independent optimization of optical design and image restoration, realizes global integrated optimization design, and breaks the limit of traditional imaging. Based on the CIT theory, a simple wide-angle optical system design method is proposed and demonstrated in this paper. Firstly, in the optical design process of the wideangle lens, the requirements for suppressing aberrations are relaxed, and the image quality is worse. Then, the cross-channel image restoration algorithm is used to remove the residual aberrations to obtain a high-quality image. Finally, the system is simplified. This method can not only obtain high-quality images but also reduce the complexity of a wide-angle optical system.

Citation Download Citation

Jiarui Ji, Lei Yang, and Hongbo Xie "Research on a simple wide-angle optical modality based on computational imaging technology", Proc. SPIE 12282, 2021 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 122820H (8 July 2022); https://doi.org/10.1117/12.2616422

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KEYWORDS

Image restoration

Point spread functions

Image processing

Optical design

Computational imaging

Imaging systems

Lenses

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