High performance planar germanium-on-silicon single-photon avalanche diode detectors

P Vines, K Kuzmenko, J Kirdoda, DCS Dumas… - Nature …, 2019 - nature.com
Single-photon detection has emerged as a method of choice for ultra-sensitive
measurements of picosecond optical transients. In the short-wave infrared, semiconductor …

The way to modern shutter speed measurement methods: A historical overview

G Simon, G Vakulya, M Rátosi - Sensors, 2022 - mdpi.com
Exposure time is a fundamental parameter for the photographer when the photo is
composed, and the exact length of the exposure may be an essential determinant of …

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 …

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 …

A 128× 128 SPAD motion-triggered time-of-flight image sensor with in-pixel histogram and column-parallel vision processor

FM Della Rocca, H Mai, SW Hutchings… - IEEE Journal of Solid …, 2020 - ieeexplore.ieee.org
A 128× 128 single-photon avalanche diode (SPAD) motion detection-triggered time-of-flight
(ToF) sensor is implemented in STMicroelectronics 40 nm CMOS SPAD foundry process …

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 …

Low-light demosaicking and denoising for small pixels using learned frequency selection

OA Elgendy, A Gnanasambandam… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Low-light imaging is a challenging task because of the excessive photon shot noise. Color
imaging in low-light is even more difficult because one needs to demosaick and denoise …

HDR imaging with quanta image sensors: Theoretical limits and optimal reconstruction

A Gnanasambandam, SH Chan - IEEE transactions on …, 2020 - ieeexplore.ieee.org
High dynamic range (HDR) imaging is one of the biggest achievements in modern
photography. Traditional solutions to HDR imaging are designed for and applied to CMOS …

What does a one-bit quanta image sensor offer?

SH Chan - IEEE Transactions on Computational Imaging, 2022 - ieeexplore.ieee.org
The one-bit quanta image sensor (QIS) is a photon-counting device that captures image
intensities using binary bits. Assuming that the analog voltage generated at the floating …