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相关论文: Non-Line-of-Sight Tracking and Mapping with an Act…

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We consider the non-line-of-sight (NLOS) imaging of an object using the light reflected off a diffusive wall. The wall scatters incident light such that a lens is no longer useful to form an image. Instead, we exploit the 4D spatial…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Andre Beckus , Alexandru Tamasan , George K. Atia

Non-line-of-sight (NLOS) tracking has drawn increasing attention in recent years, due to its ability to detect object motion out of sight. Most previous works on NLOS tracking rely on active illumination, e.g., laser, and suffer from high…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yihao Wang , Zhigang Wang , Bin Zhao , Dong Wang , Mulin Chen , Xuelong Li

Non-line-of-sight (NLOS) imaging aims at reconstructing targets obscured from the direct line of sight. Existing NLOS imaging algorithms require dense measurements at rectangular grid points in a large area of the relay surface, which…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Xintong Liu , Jianyu Wang , Leping Xiao , Zuoqiang Shi , Xing Fu , Lingyun Qiu

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…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Diego Royo , Talha Sultan , Adolfo Muñoz , Khadijeh Masumnia-Bisheh , Eric Brandt , Diego Gutierrez , Andreas Velten , Julio Marco

Visual object recognition under situations in which the direct line-of-sight is blocked, such as when it is occluded around the corner, is of practical importance in a wide range of applications. With coherent illumination, the light…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Xin Lei , Liangyu He , Yixuan Tan , Ken Xingze Wang , Xinggang Wang , Yihan Du , Shanhui Fan , Zongfu Yu

There has been an increasing interest in deploying non-line-of-sight (NLOS) imaging systems for recovering objects behind an obstacle. Existing solutions generally pre-calibrate the system before scanning the hidden objects. Onsite…

图像与视频处理 · 电气工程与系统科学 2021-12-30 Zhengqing Pan , Ruiqian Li , Tian Gao , Zi Wang , Ping Liu , Siyuan Shen , Tao Wu , Jingyi Yu , Shiying Li

The study of non-line-of-sight (NLOS) imaging is growing due to its many potential applications, including rescue operations and pedestrian detection by self-driving cars. However, implementing NLOS imaging on a moving camera remains an…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Shenbagaraj Kannapiran , Sreenithy Chandran , Suren Jayasuriya , Spring Berman

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,…

图像与视频处理 · 电气工程与系统科学 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 enables the visualization of objects hidden from direct view, with applications in surveillance, remote sensing, and light detection and ranging. Here, we introduce a NLOS imaging technique termed…

图像与视频处理 · 电气工程与系统科学 2024-09-04 Pengming Song , Qianhao Zhao , Ruihai Wang , Ninghe Liu , Yingqi Qiang , Tianbo Wang , Xincheng Zhang , Yi Zhang , Guoan Zheng

Non-line-of-sight (NLOS) imaging aims to reconstruct partially or completely occluded scenes. Recent approaches have demonstrated high-quality reconstructions of complex scenes with arbitrary reflectance, occlusions, and significant…

图像与视频处理 · 电气工程与系统科学 2023-11-17 Pablo Luesia , Miguel Crespo , Adrian Jarabo , Albert Redo-Sanchez

A remote-sensing system that can determine the position of hidden objects has applications in many critical real-life scenarios, such as search and rescue missions and safe autonomous driving. Previous work has shown the ability to range…

计算机视觉与模式识别 · 计算机科学 2017-03-08 Susan Chan , Ryan E. Warburton , Genevieve Gariepy , Jonathan Leach , Daniele Faccio

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…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Rui Ding , Juntian Ye , Qifeng Gao , Feihu Xu , Yuping Duan

Non-Line-of-Sight (NLOS) imaging allows to observe objects partially or fully occluded from direct view, by analyzing indirect diffuse reflections off a secondary, relay surface. Despite its many potential applications, existing methods…

计算机视觉与模式识别 · 计算机科学 2019-08-07 Xiaochun Liu , Ibón Guillén , Marco La Manna , Ji Hyun Nam , Syed Azer Reza , Toan Huu Le , Diego Gutierrez , Adrian Jarabo , Andreas Velten

Passive non-line-of-sight (NLOS) imaging has witnessed rapid development in recent years, due to its ability to image objects that are out of sight. The light transport condition plays an important role in this task since changing the…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Jiarui Zhang , Ruixu Geng , Xiaolong Du , Yan Chen , Houqiang Li , Yang Hu

This paper presents a novel optimization-based method for non-line-of-sight (NLOS) imaging that aims to reconstruct hidden scenes under general setups with significantly reduced reconstruction time. In NLOS imaging, the visible surfaces of…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Hyunbo Shim , In Cho , Daekyu Kwon , Seon Joo Kim

The light transport matrix (LTM) is an instrumental tool in line-of-sight (LOS) imaging, describing how light interacts with the scene and enabling applications such as relighting or separation of illumination components. We introduce a…

图像与视频处理 · 电气工程与系统科学 2021-10-06 Julio Marco , Adrian Jarabo , Ji Hyun Nam , Xiaochun Liu , Miguel Ángel Cosculluela , Andreas Velten , Diego Gutierrez

Passive Non-Line-of-Sight (NLOS) imaging requires to reconstruct objects which cannot be seen in line without using external controllable light sources. It can be widely applied in areas like counter-terrorism, urban-Warfare,…

光学 · 物理学 2024-09-02 Yunting Gui , Yuegang Fu , Xueming Xiao , Meibao Yao

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, and then measuring the resulting spatiotemporal light…

Conventional imaging requires a line of sight to create accurate visual representations of a scene. In certain circumstances, however, obtaining a suitable line of sight may be impractical, dangerous, or even impossible. Non-line-of-sight…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Fadlullah Raji , John Murray-Bruce

Vehicles, search and rescue personnel, and endoscopes use flash lights to locate, identify, and view objects in their surroundings. Here we show the first steps of how all these tasks can be done around corners with consumer cameras. Recent…

计算机视觉与模式识别 · 计算机科学 2018-10-30 Matthew Tancik , Guy Satat , Ramesh Raskar