Snapshot spectral imaging: from spatial-spectral mapping to metasurface-based imaging

K Ding, M Wang, M Chen, X Wang, K Ni, Q Zhou… - …, 2024 - degruyter.com
Snapshot spectral imaging technology enables the capture of complete spectral information
of objects in an extremely short period of time, offering wide-ranging applications in fields …

Curriculum learning for ab initio deep learned refractive optics

X Yang, Q Fu, W Heidrich - arXiv preprint arXiv:2302.01089, 2023 - arxiv.org
Deep lens optimization has recently emerged as a new paradigm for designing
computational imaging systems, however it has been limited to either simple optical systems …

Revealing the preference for correcting separated aberrations in joint optic-image design

J Zhou, S Chen, Z Ren, W Zhang, J Yan, H Feng… - Optics and Lasers in …, 2024 - Elsevier
The joint design of the optical system and the downstream algorithm is a challenging and
promising task. Due to the demand for balancing the global optima of imaging systems and …

Investigating deep optics model representation in affecting resolved all-in-focus image quality and depth estimation fidelity

X Liu, L Li, X Liu, X Hao, Y Peng - Optics Express, 2022 - opg.optica.org
The end-to-end (E2E) optimization of optics and image processing, dubbed deep optics, has
renewed the state-of-the-art in various computer vision tasks. However, specifying the …

Computational Spectral Imaging with Unified Encoding Model and Beyond

X Liu, L Li, L Zhu, L Wang - … of the IEEE/CVF Conference on …, 2024 - openaccess.thecvf.com
Computational spectral imaging is drawing increasing attention owing to the snapshot
advantage and amplitude phase and wavelength encoding systems are three types of …

Dispersed Structured Light for Hyperspectral 3D Imaging

S Shin, S Choi, F Heide… - Proceedings of the IEEE …, 2024 - openaccess.thecvf.com
Hyperspectral 3D imaging aims to acquire both depth and spectral information of a scene.
However existing methods are either prohibitively expensive and bulky or compromise on …

Elimination of varying chromatic aberrations based on diffractive optics

H Hu, T Jiang, Y Chen, Z Xu, Q Li, H Feng - Optics Express, 2023 - opg.optica.org
In telescopic systems consisting of Alvarez lenses, chromatic aberrations vary with the
magnifications and the fields of view. Computational imaging has developed rapidly in …

Computational Spectral Imaging with Unified Encoding Model: A Comparative Study and Beyond

X Liu, L Wang, L Li, C Chen, X Hu, F Song… - arXiv preprint arXiv …, 2023 - arxiv.org
Computational spectral imaging is drawing increasing attention owing to the snapshot
advantage, and amplitude, phase, and wavelength encoding systems are three types of …

Image quality is not all you want: Task-driven lens design for image classification

X Yang, Q Fu, Y Nie, W Heidrich - arXiv preprint arXiv:2305.17185, 2023 - arxiv.org
In computer vision, it has long been taken for granted that high-quality images obtained
through well-designed camera lenses would lead to superior results. However, we find that …

Calibration-free deep optics for depth estimation with precise simulation

Z Zhuge, H Xu, S Chen, J Xu, Q Li, H Feng, Z Xu… - Optics and Lasers in …, 2024 - Elsevier
Monocular depth estimation is an important computer vision task widely explored in fields
such as autonomous driving, robotics, and more. Recently, deep optics approaches that …