English
Related papers

Related papers: Signal Processing Based Pile-up Compensation for G…

200 papers

Single Photon Avalanche Diode sensor arrays operating in direct time of flight mode can perform 3D imaging using pulsed lasers. Operating at high frame rates, SPAD imagers typically generate large volumes of noisy and largely redundant…

Image and Video Processing · Electrical Eng. & Systems 2020-01-08 Saeed Afshar , Tara Julia Hamilton , Langdon Davis , Andre van Schaik , Dennis Delic

Single-Photon Avalanche Diodes (SPAD) are affordable photodetectors, capable to collect extremely fast low-energy events, due to their single-photon sensibility. This makes them very suitable for time-of-flight-based range imaging systems,…

Instrumentation and Detectors · Physics 2017-03-09 Quercus Hernandez , Diego Gutierrez , Adrian Jarabo

Single-photon avalanche diodes (SPADs) are advanced sensors capable of detecting individual photons and recording their arrival times with picosecond resolution using time-correlated Single-Photon Counting detection techniques. They are…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Alice Ruget , Lewis Wilson , Jonathan Leach , Rachael Tobin , Aongus Mccarthy , Gerald S. Buller , Steve Mclaughlin , Abderrahim Halimi

We present a novel structured light technique that uses Single Photon Avalanche Diode (SPAD) arrays to enable 3D scanning at high-frame rates and low-light levels. This technique, called "Single-Photon Structured Light", works by sensing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Varun Sundar , Sizhuo Ma , Aswin C. Sankaranarayanan , Mohit Gupta

Single-photon avalanche diodes (SPADs) are becoming popular in time-of-flight depth-ranging due to their unique ability to capture individual photons with picosecond timing resolution. However, ambient light (e.g., sunlight) incident on a…

Image and Video Processing · Electrical Eng. & Systems 2019-08-20 Anant Gupta , Atul Ingle , Mohit Gupta

Single-photon avalanche diodes (SPADs) are an emerging technology with a unique capability of capturing individual photons with high timing precision. SPADs are being used in several active imaging systems (e.g., fluorescence lifetime…

Image and Video Processing · Electrical Eng. & Systems 2019-04-25 Atul Ingle , Andreas Velten , Mohit Gupta

Single-photon cameras (SPCs) are emerging as sensors of choice for various challenging imaging applications. One class of SPCs based on the single-photon avalanche diode (SPAD) detects individual photons using an avalanche process; the raw…

Image and Video Processing · Electrical Eng. & Systems 2024-09-30 Lucas J. Koerner , Shantanu Gupta , Atul Ingle , Mohit Gupta

Single-photon avalanche diodes (SPADs) are a rapidly developing image sensing technology with extreme low-light sensitivity and picosecond timing resolution. These unique capabilities have enabled SPADs to be used in applications like…

Image and Video Processing · Electrical Eng. & Systems 2020-12-16 Trevor Seets , Atul Ingle , Martin Laurenzis , Andreas Velten

Single-photon avalanche diodes (SPADs) are growing in popularity for depth sensing tasks. However, SPADs still struggle in the presence of high ambient light due to the effects of pile-up. Conventional techniques leverage fixed or…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Ryan Po , Adithya Pediredla , Ioannis Gkioulekas

Avalanche photo detection is commonly used in applications which require single photon sensitivity. We examine the limits of using avalanche photo diodes (APD) for characterising photon statistics at high data rates. To identify the regime…

Quantum Physics · Physics 2009-11-13 H. B. Coldenstrodt-Ronge , C. Silberhorn

Active 3D imaging systems have broad applications across disciplines, including biological imaging, remote sensing and robotics. Applications in these domains require fast acquisition times, high timing resolution, and high detection…

Applied Physics · Physics 2018-06-12 Felix Heide , Steven Diamond , David B. Lindell , Gordon Wetzstein

Single-Photon Avalanche Diodes (SPADs) are new and promising imaging sensors. These sensors are sensitive enough to detect individual photons hitting each pixel, with extreme temporal resolution and without readout noise. Thus, SPADs stand…

Instrumentation and Detectors · Physics 2026-01-21 Aleksi Suonsivu , Lauri Salmela , Leevi Uosukainen , Edoardo Peretti , Radu Ciprian Bilcu , Giacomo Boracchi

Time-resolved single photon imaging is a promising imaging modality characterized by the unique capability of timestamping the arrivals of single photons. Single-Photon Avalanche Diodes (SPADs) are the leading technology for implementing…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Aleksi Suonsivu , Lauri Salmela , Edoardo Peretti , Leevi Uosukainen , Radu Ciprian Bilcu , Giacomo Boracchi

Photon counting detectors such as single-photon avalanche diode (SPAD) arrays are commonly considered for reliable optical wireless communication at power limited regimes. However, SPAD-based receivers suffer from significant dead time…

Information Theory · Computer Science 2022-02-14 Shenjie Huang , Majid Safari

Single-photon avalanche diode (SPAD) arrays are solid-state detectors offering imaging capabilities at the level of individual photons, with unparalleled photon counting and time-resolved performance. This fascinating technology has…

Instrumentation and Detectors · Physics 2019-03-19 Claudio Bruschini , Harald Homulle , Ivan Michel Antolovic , Samuel Burri , Edoardo Charbon

Single-photon-avalanche diode (SPAD) arrays are essential tools in biophotonics, optical ranging and sensing and quantum optics. However, their small number of pixels, low quantum efficiency and small fill factor have so far hindered their…

Quantum Physics · Physics 2021-04-21 Hugo Defienne , Jiuxuan Zhao , Edoardo Charbon , Daniele Faccio

Photonic quantum technologies promise a revolution of the world of information processing, from simulation and computing to communication and sensing, thanks to the many advantages of exploiting single photons as quantum information…

Instrumentation and Detectors · Physics 2021-10-11 Francesco Ceccarelli , Giulia Acconcia , Angelo Gulinatti , Massimo Ghioni , Ivan Rech , Roberto Osellame

In order to build a new concept of photomultiplier based on silicon technology, design and characterization of 5x5 arrays of a new generation of single photon avalanche diodes (SPAD) manufactured by ST-Microelectronics have been performed.…

Integrated quantum photonics, which allows for the development and implementation of chip-scale devices, is recognized as a key enabling technology on the road towards scalable quantum networking schemes. However, many state-of-the-art…

Instrumentation and Detectors · Physics 2019-10-18 Salih Yanikgonul , Victor Leong , Jun Rong Ong , Ching Eng Png , Leonid Krivitsky

Single photon avalanche diodes (SPADs) are the most commercially diffused solution for single-photon counting in quantum key distribution (QKD) applications. However, the secondary photon emission, arising from the avalanche of charge…

Quantum Physics · Physics 2016-12-21 A. Meda , I. P. Degiovanni , A. Tosi , Z. L. Yuan , G. Brida , M. Genovese
‹ Prev 1 2 3 10 Next ›