Physics to the rescue: Deep non-line-of-sight reconstruction for high-speed imaging

F Mu, S Mo, J Peng, X Liu, JH Nam… - … on Pattern Analysis …, 2022 - ieeexplore.ieee.org
Computational approach to imaging around the corner, or non-line-of-sight (NLOS) imaging,
is becoming a reality thanks to major advances in imaging hardware and reconstruction …

Virtual mirrors: Non-line-of-sight imaging beyond the third bounce

D Royo, T Sultan, A Muñoz… - ACM Transactions on …, 2023 - dl.acm.org
Non-line-of-sight (NLOS) imaging methods are capable of reconstructing complex scenes
that are not visible to an observer using indirect illumination. However, they assume only …

Enhancing non-line-of-sight imaging via learnable inverse kernel and attention mechanisms

Y Yu, S Shen, Z Wang, B Huang… - Proceedings of the …, 2023 - openaccess.thecvf.com
Recovering information from non-line-of-sight (NLOS) imaging is a computationally-
intensive inverse problem. Most physics-based NLOS imaging methods address the …

Non-line-of-sight transient rendering

D Royo, J García, P Luesia-Lahoz, J Marco… - ACM SIGGRAPH 2022 …, 2022 - dl.acm.org
Transient imaging methods often analyze time-resolved light transport for applications such
as range imaging, reflectance estimation and, especially, non-line-of-sight (NLOS) imaging …

Time-Gated Polarization for Active Non-Line-Of-Sight Imaging

O Pueyo-Ciutad, J Marco, S Schertzer… - SIGGRAPH Asia 2024 …, 2024 - dl.acm.org
We propose a novel method to reconstruct non-line-of-sight (NLOS) scenes that combines
polarization and time-of-flight light transport measurements. Unpolarized NLOS imaging …

Fast non-line-of-sight imaging with non-planar relay surfaces

C Gu, T Sultan, K Masumnia-Bisheh… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
Non-line-of-sight imaging methods reconstruct images from light captured off a relay surface.
In most prior work this relay surface is a diffuse plane. It has been shown that even small …

Differentiable transient rendering

S Yi, D Kim, K Choi, A Jarabo, D Gutierrez… - ACM Transactions on …, 2021 - dl.acm.org
Recent differentiable rendering techniques have become key tools to tackle many inverse
problems in graphics and vision. Existing models, however, assume steady-state light …

Iterating the Transient Light Transport Matrix for Non-Line-of-Sight Imaging

T Sultan, E Brandt, K Masumnia-Bisheh… - arxiv preprint arxiv …, 2024 - arxiv.org
Active imaging systems sample the Transient Light Transport Matrix (TLTM) for a scene by
sequentially illuminating various positions in this scene using a controllable light source …

Self-calibrating, fully differentiable NLOS inverse rendering

K Choi, I Kim, D Choi, J Marco, D Gutierrez… - SIGGRAPH Asia 2023 …, 2023 - dl.acm.org
Existing time-resolved non-line-of-sight (NLOS) imaging methods reconstruct hidden scenes
by inverting the optical paths of indirect illumination measured at visible relay surfaces …

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 …