High-dimensional Gaussian sampling: a review and a unifying approach based on a stochastic proximal point algorithm

M Vono, N Dobigeon, P Chainais - SIAM Review, 2022 - SIAM
Efficient sampling from a high-dimensional Gaussian distribution is an old but high-stakes
issue. Vanilla Cholesky samplers imply a computational cost and memory requirements that …

Efficient concentration of high-energy x-rays for diffraction-limited imaging resolution

J Cesar da Silva, A Pacureanu, Y Yang, S Bohic… - Optica, 2017 - opg.optica.org
Newly available x-ray nanobeams in synchrotron radiation facilities open new research
avenues in the nanosciences. However, a significant challenge is to efficiently concentrate …

Removing diffraction image artifacts in under-display camera via dynamic skip connection network

R Feng, C Li, H Chen, S Li… - Proceedings of the ieee …, 2021 - openaccess.thecvf.com
Abstract Recent development of Under-Display Camera (UDC) systems provides a true
bezel-less and notch-free viewing experience on smartphones (and TV, laptops, tablets) …

Image restoration for under-display camera

Y Zhou, D Ren, N Emerton, S Lim… - Proceedings of the …, 2021 - openaccess.thecvf.com
The new trend of full-screen devices encourages us to position a camera behind a screen.
Removing the bezel and centralizing the camera under the screen brings larger display-to …

Perceptual image enhancement for smartphone real-time applications

MV Conde, F Vasluianu… - Proceedings of the …, 2023 - openaccess.thecvf.com
Recent advances in camera designs and imaging pipelines allow us to capture high-quality
images using smartphones. However, due to the small size and lens limitations of the …

[HTML][HTML] On ghost imaging studies for information optical imaging

C Hu, S Han - Applied Sciences, 2022 - mdpi.com
Since the birth of information theory, to understand, study, and optimize optical imaging
systems from the information–theoretic viewpoint has been an important research subfield of …

Design and analysis of extended depth of focus metalenses for achromatic computational imaging

L Huang, J Whitehead, S Colburn… - Photonics Research, 2020 - opg.optica.org
Metasurface optics have demonstrated vast potential for implementing traditional optical
components in an ultracompact and lightweight form factor. Metasurfaces, however, suffer …

Bayesian estimation for optimized structured illumination microscopy

F Orieux, E Sepulveda, V Loriette… - … on image processing, 2011 - ieeexplore.ieee.org
Structured illumination microscopy is a recent imaging technique that aims at going beyond
the classical optical resolution by reconstructing high-resolution (HR) images from low …

Real-time under-display cameras image restoration and hdr on mobile devices

MV Conde, F Vasluianu, S Nathan… - European Conference on …, 2022 - Springer
The new trend of full-screen devices implies positioning the camera behind the screen to
bring a larger display-to-body ratio, enhance eye contact, and provide a notch-free viewing …

Wavelet-based image deconvolution and reconstruction

N Pustelnik, A Benazza-Benhayia, Y Zheng… - Wiley encyclopedia of …, 2016 - hal.science
Image deconvolution and reconstruction are inverse problems which are encountered in a
wide array of applications. Due to the ill-posedness of such problems, their resolution …