[HTML][HTML] The quanta image sensor: Every photon counts

ER Fossum, J Ma, S Masoodian, L Anzagira, R Zizza - Sensors, 2016 - mdpi.com
The Quanta Image Sensor (QIS) was conceived when contemplating shrinking pixel sizes
and storage capacities, and the steady increase in digital processing power. In the single-bit …

Megapixel time-gated SPAD image sensor for 2D and 3D imaging applications

K Morimoto, A Ardelean, ML Wu, AC Ulku, IM Antolovic… - Optica, 2020 - opg.optica.org
We present a 1 Mpixel single-photon avalanche diode camera featuring 3.8 ns time gating
and 24 kfps frame rate, fabricated in 180 nm CMOS image sensor technology. We designed …

Plug-and-play ADMM for image restoration: Fixed-point convergence and applications

SH Chan, X Wang, OA Elgendy - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Alternating direction method of multiplier (ADMM) is a widely used algorithm for solving
constrained optimization problems in image restoration. Among many useful features, one …

Fundamental limits of weak recovery with applications to phase retrieval

M Mondelli, A Montanari - Conference On Learning Theory, 2018 - proceedings.mlr.press
In phase retrieval we want to recover an unknown signal $\boldsymbol x\in\mathbb C^ d $
from $ n $ quadratic measurements of the form $ y_i=|⟨\boldsymbol a_i,\boldsymbol x⟩|^ 2+ …

Photon-limited object detection using non-local feature matching and knowledge distillation

C Li, X Qu, A Gnanasambandam… - Proceedings of the …, 2021 - openaccess.thecvf.com
Robust object detection under photon-limited conditions is crucial for applications such as
night vision, surveillance, and microscopy, where the number of photons per pixel is low due …

-Space Spatiotemporal Filter for Reducing Noise in Neuromorphic Vision Sensors

A Khodamoradi, R Kastner - IEEE Transactions on Emerging …, 2018 - ieeexplore.ieee.org
Neuromorphic vision sensors are an emerging technology inspired by how retina
processing images. A neuromorphic vision sensor only reports when a pixel value changes …

Quanta burst photography

S Ma, S Gupta, AC Ulku, C Bruschini… - ACM Transactions on …, 2020 - dl.acm.org
Single-photon avalanche diodes (SPADs) are an emerging sensor technology capable of
detecting individual incident photons, and capturing their time-of-arrival with high timing …

Dynamic low-light imaging with quanta image sensors

Y Chi, A Gnanasambandam, V Koltun… - Computer Vision–ECCV …, 2020 - Springer
Imaging in low light is difficult because the number of photons arriving at the sensor is low.
Imaging dynamic scenes in low-light environments is even more difficult because as the …

High-resolution depth profiling using a range-gated CMOS SPAD quanta image sensor

X Ren, PWR Connolly, A Halimi, Y Altmann… - Optics express, 2018 - opg.optica.org
A CMOS single-photon avalanche diode (SPAD) quanta image sensor is used to reconstruct
depth and intensity profiles when operating in a range-gated mode used in conjunction with …

Review of quanta image sensors for ultralow-light imaging

J Ma, S Chan, ER Fossum - IEEE Transactions on Electron …, 2022 - ieeexplore.ieee.org
The quanta image sensor (QIS) is a photon-counting image sensor that has been
implemented using different electron devices, including impact ionization-gain devices, such …