Count-free single-photon 3D imaging with race logic

A Ingle, D Maier - IEEE Transactions on Pattern Analysis and …, 2023 - ieeexplore.ieee.org
Single-photon cameras (SPCs) have emerged as a promising new technology for high-
resolution 3D imaging. A single-photon 3D camera determines the round-trip time of a laser …

A gradient-gated spad array for non-line-of-sight imaging

J Zhao, F Gramuglia, P Keshavarzian… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
Time-resolved non-line-of-sight (NLOS) imaging based on single-photon avalanche diode
(SPAD) detectors have demonstrated impressive results in recent years. To acquire …

Photon Inhibition for Energy-Efficient Single-Photon Imaging

LJ Koerner, S Gupta, A Ingle, M Gupta - European Conference on …, 2024 - Springer
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 …

Single-Photon 3D Imaging with Equi-Depth Photon Histograms

K Sadekar, D Maier, A Ingle - European Conference on Computer Vision, 2024 - Springer
Single-photon cameras present a promising avenue for high-resolution 3D imaging. They
have ultra-high sensitivity—down to individual photons—and can record photon arrival times …

Non-Line-of-Sight Estimation of Fast Human Motion with Slow Scanning Imagers

JG Chopite, P Haehn, M Hullin - European Conference on Computer …, 2024 - Springer
Abstract Non-line-of-sight (NLoS) reconstruction, ie, the task of imaging scenes beyond the
camera's field of view, is often implemented using source-and-sensor systems that scan the …

FoveaSPAD: Exploiting Depth Priors for Adaptive and Efficient Single-Photon 3D Imaging

J Folden, A Ingle, SJ Koppal - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Fast, efficient, and accurate depth-sensing is important for safety-critical applications such as
autonomous vehicles. Direct time-of-flight LiDAR has the potential to fulfill these demands …

Megahertz Light Steering Without Moving Parts

A Pediredla, SG Narasimhan… - Proceedings of the …, 2023 - openaccess.thecvf.com
We introduce a light steering technology that operates at megahertz frequencies, has no
moving parts, and costs less than a hundred dollars. Our technology can benefit many …

Doppler Time-of-Flight Rendering

J Kim, W Jarosz, I Gkioulekas, A Pediredla - arxiv preprint arxiv …, 2023 - arxiv.org
We introduce Doppler time-of-flight (D-ToF) rendering, an extension of ToF rendering for
dynamic scenes, with applications in simulating D-ToF cameras. D-ToF cameras use high …

Parametric Modeling and Estimation of Photon Registrations for 3D Imaging

W Zhang, HK Weerasooriya… - 2024 IEEE 26th …, 2024 - ieeexplore.ieee.org
In single-photon light detection and ranging (SP-LiDAR) systems, the histogram distortion
due to hardware dead time fundamentally limits the precision of depth estimation. To …