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Related papers: Recent Advances in Imaging Around Corners

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Non-line-of-sight (NLOS) imaging is a rapidly growing field seeking to form images of objects outside the field of view, with potential applications in search and rescue, reconnaissance, and even medical imaging. The critical challenge of…

As an emerging technology that has attracted huge attention, non-line-of-sight (NLOS) imaging can reconstruct hidden objects by analyzing the diffuse reflection on a relay surface, with broad application prospects in the fields of…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Ruixu Geng , Yang Hu , Yan Chen

Emerging single-photon-sensitive sensors combined with advanced inverse methods to process picosecond-accurate time-stamped photon counts have given rise to unprecedented imaging capabilities. Rather than imaging photons that travel along…

Optics · Physics 2020-05-19 D. Faccio , A. Velten , G. Wetzstein

The ability to form non-line-of-sight (NLOS) images of changing scenes could be transformative in a variety of fields, including search and rescue, autonomous vehicle navigation, and reconnaissance. Most existing active NLOS methods…

Image and Video Processing · Electrical Eng. & Systems 2026-03-12 Sheila Seidel , Hoover Rueda-Chacon , Iris Cusini , Federica Villa , Franco Zappa , Christopher Yu , Vivek K Goyal

Non-line-of-sight (NLOS) imaging and tracking is an emerging technology that allows the shape or position of objects around corners or behind diffusers to be recovered from transient, time-of-flight measurements. However, existing NLOS…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Christopher A. Metzler , David B. Lindell , Gordon Wetzstein

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 algorithms. A recent development towards practical NLOS imaging,…

Image and Video Processing · Electrical Eng. & Systems 2022-08-09 Fangzhou Mu , Sicheng Mo , Jiayong Peng , Xiaochun Liu , Ji Hyun Nam , Siddeshwar Raghavan , Andreas Velten , Yin Li

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 third-bounce illumination, so they are currently limited to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Diego Royo , Talha Sultan , Adolfo Muñoz , Khadijeh Masumnia-Bisheh , Eric Brandt , Diego Gutierrez , Andreas Velten , Julio Marco

Non-line-of-sight (NLOS) imaging is based on capturing the multi-bounce indirect reflections from the hidden objects. Active NLOS imaging systems rely on the capture of the time of flight of light through the scene, and have shown great…

Image and Video Processing · Electrical Eng. & Systems 2022-04-19 Jiayong Peng , Fangzhou Mu , Ji Hyun Nam , Siddeshwar Raghavan , Yin Li , Andreas Velten , Zhiwei Xiong

Non-line-of-sight (NLOS) imaging is an emerging technique for detecting objects behind obstacles or around corners. Recent studies on passive NLOS mainly focus on steady-state measurement and reconstruction methods, which show limitations…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Conghe Wang , Yutong He , Xia Wang , Honghao Huang , Changda Yan , Xin Zhang , Hongwei Chen

Non-line-of-sight (NLOS) imaging relies on collecting light that is rendered incoherent from the multiple scattering events and is then post-processed to provide an estimate of the hidden scene. Here we employ coherent phase control of the…

Optics · Physics 2019-12-25 Ilya Starshynov , Omair Ghafur , James Fitches , Daniele Faccio

Conventional intensity cameras recover objects in the direct line-of-sight of the camera, whereas occluded scene parts are considered lost in this process. Non-line-of-sight imaging (NLOS) aims at recovering these occluded objects by…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Wenzheng Chen , Simon Daneau , Fahim Mannan , Felix Heide

Non-line-of-sight (NLOS) imaging enables monitoring around corners and is promising for diverse applications. The resolution of transient NLOS imaging is limited to a centimeter scale, mainly by the temporal resolution of the detectors.…

Imaging objects obscured by occluders is a significant challenge for many applications. A camera that could "see around corners" could help improve navigation and mapping capabilities of autonomous vehicles or make search and rescue…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 Felix Heide , Matthew O'Toole , Kai Zang , David Lindell , Steven Diamond , Gordon Wetzstein

Non-line-of-sight (NLOS) optical imaging and sensing of objects imply new capabilities valuable to autonomous technology, machine vision, and other applications. Existing NLOS imaging methods rely heavily on the prowess of computational…

Optics · Physics 2022-07-21 Shenyu Zhu , Yong Meng Sua , Patrick Rehain , Yu-Ping Huang

Non-line-of-sight (NLoS) imaging is an important challenge in many fields ranging from autonomous vehicles and smart cities to defense applications. Several recent works in optics and acoustics tackle the challenge of imaging targets hidden…

Applied Physics · Physics 2023-05-12 Jeremy Boger-Lombard , Yevgeny Slobodkin , Ori Katz

Non-line-of-sight (NLOS) imaging techniques use light that diffusely reflects off of visible surfaces (e.g., walls) to see around corners. One approach involves using pulsed lasers and ultrafast sensors to measure the travel time of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Mariko Isogawa , Dorian Chan , Ye Yuan , Kris Kitani , Matthew O'Toole

Non-line-of-sight (NLOS) imaging seeks to reconstruct hidden objects by analyzing reflections from intermediary surfaces. Existing methods typically model both the measurement data and the hidden scene in three dimensions, overlooking the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Yijun Wei , Jianyu Wang , Leping Xiao , Zuoqiang Shi , Xing Fu , Lingyun Qiu

Conventional sensor systems record information about directly visible objects, whereas occluded scene components are considered lost in the measurement process. Non-line-of-sight (NLOS) methods try to recover such hidden objects from their…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Nicolas Scheiner , Florian Kraus , Fangyin Wei , Buu Phan , Fahim Mannan , Nils Appenrodt , Werner Ritter , Jürgen Dickmann , Klaus Dietmayer , Bernhard Sick , Felix Heide

Non-Line-of-Sight (NLOS) imaging reconstructs the shape and depth of hidden objects from picosecond-resolved transient signals, offering potential applications in autonomous driving, security, and medical diagnostics. However, current NLOS…

Non-line-of-sight (NLOS) imaging aims to reconstruct the three-dimensional hidden scenes from the data measured in the line-of-sight, which uses photon time-of-flight information encoded in light after multiple diffuse reflections. The…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Rui Ding , Juntian Ye , Qifeng Gao , Feihu Xu , Yuping Duan
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