Computational optics for mobile terminals in mass production

S Chen, T Lin, H Feng, Z Xu, Q Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Correcting the optical aberrations and the manufacturing deviations of cameras is a
challenging task. Due to the limitation on volume and the demand for mass production …

Extreme-quality computational imaging via degradation framework

S Chen, H Feng, K Gao, Z Xu… - Proceedings of the IEEE …, 2021 - openaccess.thecvf.com
To meet the space limitation of optical elements, free-form surfaces or high-order aspherical
lenses are adopted in mobile cameras to compress volume. However, the application of free …

Surround-View Fisheye Optics in Computer Vision and Simulation: Survey and Challenges

D Jakab, BM Deegan, S Sharma… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
In this paper, we provide a survey on automotive surround-view fisheye optics, with an
emphasis on the impact of optical artifacts on computer vision tasks in autonomous driving …

A Physics-informed Low-rank Deep Neural Network for Blind and Universal Lens Aberration Correction

J Gong, R Yang, W Zhang, J Suo… - Proceedings of the …, 2024 - openaccess.thecvf.com
High-end lenses although offering high-quality images suffer from both insufficient
affordability and bulky design which hamper their applications in low-budget scenarios or on …

Depth restoration in under-display time-of-flight imaging

X Qiao, C Ge, P Deng, H Wei, M Poggi… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Under-display imaging has recently received considerable attention in both academia and
industry. As a variation of this technique, under-display ToF (UD-ToF) cameras enable depth …

Dirty pixels: Towards end-to-end image processing and perception

S Diamond, V Sitzmann, F Julca-Aguilar… - ACM Transactions on …, 2021 - dl.acm.org
Real-world, imaging systems acquire measurements that are degraded by noise, optical
aberrations, and other imperfections that make image processing for human viewing and …

Non-blind optical degradation correction via frequency self-adaptive and finetune tactics

T Lin, SQ Chen, H Feng, Z Xu, Q Li, Y Chen - Optics Express, 2022 - opg.optica.org
In mobile photography applications, limited volume constraints the diversity of optical
design. In addition to the narrow space, the deviations introduced in mass production cause …

Defocusing parameter selection strategies based on PSF measurement for square-binary defocusing fringe projection profilometry

Y Wang, H Zhao, H Jiang, X Li - Optics Express, 2018 - opg.optica.org
Three-dimensional (3D) shape measurement system with binary defocusing technique can
perform high-speed and flexible measurements if binary fringe patterns are defocused by …

Explicit ringing removal in image deblurring

A Mosleh, YE Sola, F Zargari, E Onzon… - … on Image Processing, 2017 - ieeexplore.ieee.org
In this paper, we present a simple yet effective image deblurring method to produce ringing-
free deblurred images. Our work is inspired by the observation that large-scale deblurring …

Blur calibration for depth from defocus

F Mannan, MS Langer - … on Computer and Robot Vision (CRV), 2016 - ieeexplore.ieee.org
Depth from defocus based methods rely on measuring the depth dependent blur at each
pixel of the image. A core component in the defocus blur estimation process is the depth …