Two-and-a-half order score-based model for solving 3D ill-posed inverse problems

Z Li, Y Wang, J Zhang, W Wu, H Yu - Computers in Biology and Medicine, 2024 - Elsevier
Abstract Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) are crucial
technologies in the field of medical imaging. Score-based models demonstrated …

Autofocusing of Fresnel zone aperture lensless imaging for QR code recognition

F Liu, J Wu, L Cao - Optics Express, 2023 - opg.optica.org
Fresnel zone aperture (FZA) lensless imaging encodes the incident light into a hologram-
like pattern, so that the scene image can be numerically focused at a long imaging range by …

Real-time, deep-learning aided lensless microscope

J Wu, V Boominathan, A Veeraraghavan… - Biomedical Optics …, 2023 - opg.optica.org
Traditional miniaturized fluorescence microscopes are critical tools for modern biology.
Invariably, they struggle to simultaneously image with a high spatial resolution and a large …

Wave-optics-based image synthesis for super resolution reconstruction of a FZA lensless camera

X Chen, X Pan, T Nakamura, S Takeyama… - Optics …, 2023 - opg.optica.org
A Fresnel Zone Aperture (FZA) mask for a lensless camera, an ultra-thin and functional
computational imaging system, is beneficial because the FZA pattern makes it easy to model …

Unrolled primal-dual networks for lensless cameras

O Kingshott, N Antipa, E Bostan, K Akşit - Optics Express, 2022 - opg.optica.org
Conventional models for lensless imaging assume that each measurement results from
convolving a given scene with a single experimentally measured point-spread function …

Hand gestures recognition in videos taken with a lensless camera

Y Zhang, Z Wu, P Lin, Y Pan, Y Wu, L Zhang… - Optics express, 2022 - opg.optica.org
A lensless camera is an imaging system that uses a mask in place of a lens, making it
thinner, lighter, and less expensive than a lensed camera. However, additional complex …

Dual-branch fusion model for lensless imaging

Y Zhang, Z Wu, Y Xu, J Huangfu - Optics Express, 2023 - opg.optica.org
A lensless camera is an imaging system that replaces the lens with a mask to reduce
thickness, weight, and cost compared to a lensed camera. The improvement of image …

Lensless Image Restoration Based on Multi-Stage Deep Neural Networks and Pix2pix Architecture

M Liu, X Su, X Yao, W Hao, W Zhu - Photonics, 2023 - mdpi.com
Lensless imaging represents a significant advancement in imaging technology, offering
unique benefits over traditional optical systems due to its compact form factor, ideal for …

Semantic representation learning for a mask-modulated lensless camera by contrastive cross-modal transferring

YT Chang Lee, CH Tien - Applied Optics, 2024 - opg.optica.org
Lensless computational imaging, a technique that combines optical-modulated
measurements with task-specific algorithms, has recently benefited from the application of …

Super-resolution lensless imaging system based on a fast anti-diffraction algorithm

Z Xiong, W He, W Wang, Y Fu - Optics Express, 2023 - opg.optica.org
Conventional lens imaging systems modulate incident rays with a set of lenses and focus
these rays on their imaging planes. A lensless imaging system uses a single mask instead of …