Label-free live cell recognition and tracking for biological discoveries and translational applications

B Chen, Z Yin, BWL Ng, DM Wang, RS Tuan, R Bise… - npj Imaging, 2024 - nature.com
Label-free, live cell recognition (ie instance segmentation) and tracking using computer
vision-aided recognition can be a powerful tool that rapidly generates multi-modal readouts …

Curriculum learning for ab initio deep learned refractive optics

X Yang, Q Fu, W Heidrich - Nature communications, 2024 - nature.com
Deep optical optimization has recently emerged as a new paradigm for designing
computational imaging systems using only the output image as the objective. However, it …

Wavefront microscopy using quadriwave lateral shearing interferometry: From bioimaging to nanophotonics

G Baffou - ACS photonics, 2023 - ACS Publications
Common cameras are only sensitive to the intensity of light, discarding an essential feature
of a light wave: its phase profile or, equivalently, its wavefront profile. This Review focuses …

New Avenues for Phase Imaging: Optical Metasurfaces

N Priscilla, SB Sulejman, A Roberts… - ACS Photonics, 2024 - ACS Publications
Visualizing the phase of an optical field is fundamental to applications ranging from
biological microscopy through to material science. Its importance is evidenced by the award …

[HTML][HTML] Single-shot x-ray phase-contrast and dark-field imaging based on coded binary phase mask

Z Qiao, X Shi, MJ Wojcik, L Rebuffi… - Applied Physics Letters, 2021 - pubs.aip.org
We introduce a coded-mask-based multi-contrast imaging method for high-resolution phase-
contrast and dark-field imaging. The method uses a binary phase mask designed to provide …

Phase-shifting optothermal microscopy enables live-cell mid-infrared hyperspectral imaging of large cell populations at high confluency

T Yuan, L Riobo, F Gasparin, V Ntziachristos… - Science …, 2024 - science.org
Rapid live-cell hyperspectral imaging at large fields of view (FOVs) and high cell confluency
remains challenging for conventional vibrational spectroscopy–based microscopy …

Tomofluid: Reconstructing dynamic fluid from sparse view videos

G Zang, R Idoughi, C Wang, A Bennett… - Proceedings of the …, 2020 - openaccess.thecvf.com
Visible light tomography is a promising and increasingly popular technique for fluid imaging.
However, the use of a sparse number of viewpoints in the capturing setups makes the …

[HTML][HTML] Cepstrum-based interferometric microscopy (CIM) for quantitative phase imaging

R Rubio-Oliver, J García, Z Zalevsky… - Optics & Laser …, 2024 - Elsevier
A universal methodology for coding-decoding the complex amplitude field of an imaged
sample in coherent microscopy is presented, where no restrictions on any of the two …

Towards self-calibrated lens metrology by differentiable refractive deflectometry

C Wang, N Chen, W Heidrich - Optics Express, 2021 - opg.optica.org
Deflectometry, as a non-contact, fully optical metrology method, is difficult to apply to
refractive elements due to multi-surface entanglement and precise pose alignment. Here, we …

Directional dark-field implicit x-ray speckle tracking using an anisotropic-diffusion Fokker-Planck equation

KM Pavlov, DM Paganin, KS Morgan, H Li, S Berujon… - Physical Review A, 2021 - APS
When a macroscopic-sized noncrystalline sample is illuminated using coherent x-ray
radiation, a bifurcation of photon energy flow may occur. The coarse-grained complex …