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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

One of the current trends in robotics is to employ large language models (LLMs) to provide non-predefined command execution and natural human-robot interaction. It is useful to have an environment map together with its language…

Robotics · Computer Science 2025-01-09 Evgenii Kruzhkov , Sven Behnke

The image relighting task of transferring illumination conditions between two images offers an interesting and difficult challenge with potential applications in photography, cinematography and computer graphics. In this report we present…

Computer Vision and Pattern Recognition · Computer Science 2020-06-04 Alexandre Pierre Dherse , Martin Nicolas Everaert , Jakub Jan Gwizdała

Efficient exploration and mapping in unknown indoor environments is a fundamental challenge, with high stakes in time-critical settings. In current systems, robot perception remains confined to line-of-sight; occluded regions remain unknown…

Robotics · Computer Science 2025-10-14 Kush Garg , Akshat Dave

Human portraits exhibit various appearances when observed from different views under different lighting conditions. We can easily imagine how the face will look like in another setup, but computer algorithms still fail on this problem given…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Tiancheng Sun , Kai-En Lin , Sai Bi , Zexiang Xu , Ravi Ramamoorthi

Automatic target recognition (ATR) plays a critical role in tasks such as navigation and surveillance, where safety and accuracy are paramount. In extreme use cases, such as military applications, these factors are often challenged due to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Yasiru Ranasinghe , Vibashan VS , James Uplinger , Celso De Melo , Vishal M. Patel

Transforming a large language model (LLM) into a Vision-Language Model (VLM) can be achieved by mapping the visual tokens from a vision encoder into the embedding space of an LLM. Intriguingly, this mapping can be as simple as a shallow MLP…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Benno Krojer , Shravan Nayak , Oscar Mañas , Vaibhav Adlakha , Desmond Elliott , Siva Reddy , Marius Mosbach

Non-line-of-sight (NLOS) imaging with intelligent sensors emerges as a novel technique in imaging and sensing occluded objects around corners. With the innovation of bio-inspired neuromorphic sensors, the applications of novel sensors in…

Optics · Physics 2024-11-15 Conghe Wang , Xia Wang , Yujie Fang , Changda Yan , Xin Zhang , Yifan Zuo

The paper describes an NLOS (Non-Line-of-Sight) mitigation method intended for use in a UWB positioning system. In the proposed method propagation conditions between the localized objects and the anchors forming system infrastructure are…

Signal Processing · Electrical Eng. & Systems 2024-04-01 Marcin Kolakowski , Jozef Modelski

Visible light communication (VLC) is nowadays envisaged as a promising technology to enable new classes of services in intelligent transportation systems ranging, e.g., from assisted driving to autonomous vehicles. The assessment of the…

Signal Processing · Electrical Eng. & Systems 2020-04-03 Stefano Caputo , Lorenzo Mucchi , Francesco Saverio Cataliotti , Marco Seminara , Tassadaq Nawaz , Jacopo Catani

The integration of Non-Terrestrial Networks (NTNs) into 6G networks is one of the most promising ways to achieve significant improvements in capacity, reliability, and global coverage. The design of NTN heavily relies on using channel…

Systems and Control · Electrical Eng. & Systems 2023-04-03 Abdul Saboor , Evgenii Vinogradov , Zhuangzhuang Cui , Sofie Pollin

We introduce Omni-LOS, a neural computational imaging method for conducting holistic shape reconstruction (HSR) of complex objects utilizing a Single-Photon Avalanche Diode (SPAD)-based time-of-flight sensor. As illustrated in Fig. 1, our…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Binbin Huang , Xingyue Peng , Siyuan Shen , Suan Xia , Ruiqian Li , Yanhua Yu , Yuehan Wang , Shenghua Gao , Wenzheng Chen , Shiying Li , Jingyi Yu

When considering the problem of unmixing hyperspectral images, most of the literature in the geoscience and image processing areas relies on the widely used linear mixing model (LMM). However, the LMM may be not valid and other nonlinear…

Data Analysis, Statistics and Probability · Physics 2015-06-15 Nicolas Dobigeon , Jean-Yves Tourneret , Cédric Richard , José C. M. Bermudez , Stephen McLaughlin , Alfred O. Hero

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

Illuminating a scene with artificial light is a prerequisite for seeing in dark environments. However, nonuniform and dynamic illumination can deteriorate or even break computer vision approaches, for instance when operating a robot with…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Yifan Song , Furkan Elibol , Mengkun She , David Nakath , Kevin Köser

Low-light image enhancement (LLIE) aims to improve the visibility of images captured in poorly lit environments. Prevalent event-based solutions primarily utilize events triggered by motion, i.e., ''motion events'' to strengthen only the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Lei Sun , Yuhan Bao , Jiajun Zhai , Jingyun Liang , Yulun Zhang , Kaiwei Wang , Danda Pani Paudel , Luc Van Gool

Recent works have demonstrated non-line of sight (NLOS) reconstruction by using the time-resolved signal frommultiply scattered light. These works combine ultrafast imaging systems with computation, which back-projects the recorded…

Computer Vision and Pattern Recognition · Computer Science 2017-06-21 Victor Arellano , Diego Gutierrez , Adrian Jarabo

This paper presents a novel neural implicit radiance representation for free viewpoint relighting from a small set of unstructured photographs of an object lit by a moving point light source different from the view position. We express the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Chong Zeng , Guojun Chen , Yue Dong , Pieter Peers , Hongzhi Wu , Xin Tong

Traffic sign detection is essential for autonomous driving and Advanced Driver Assistance Systems (ADAS). However, existing methods struggle to address the challenges of poor image quality and insufficient information under low-light…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Ziyu Lin , Yunfan Wu , Yuhang Ma , Junzhou Chen , Ronghui Zhang , Jiaming Wu , Guodong Yin , Liang Lin

This paper presents a novel network structure with illumination-aware gamma correction and complete image modelling to solve the low-light image enhancement problem. Low-light environments usually lead to less informative large-scale dark…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Yinglong Wang , Zhen Liu , Jianzhuang Liu , Songcen Xu , Shuaicheng Liu
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