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Recent advances in implicit neural representations and differentiable rendering make it possible to simultaneously recover the geometry and materials of an object from multi-view RGB images captured under unknown static illumination.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Yuanqing Zhang , Jiaming Sun , Xingyi He , Huan Fu , Rongfei Jia , Xiaowei Zhou

With the proliferation of Wi-Fi devices in the environment, our surroundings are increasingly illuminated with low-level RF scatter. This scatter illuminates objects in the environment much like radar or LIDAR. We show that a novel…

Image and Video Processing · Electrical Eng. & Systems 2021-02-19 Michael Drob

3D semantic occupancy prediction aims to forecast detailed geometric and semantic information of the surrounding environment for autonomous vehicles (AVs) using onboard surround-view cameras. Existing methods primarily focus on intricate…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Zhenxing Ming , Julie Stephany Berrio , Mao Shan , Stewart Worrall

We are concerned with the inverse scattering problem of extracting the geometric structures of an unknown/inaccessible inhomogeneous medium by using the corresponding acoustic far-field measurement. Using the intrinsic geometric properties…

Analysis of PDEs · Mathematics 2017-06-15 Jingzhi Li , Xiaofei Li , Hongyu Liu

We introduce a solution for a specific case of Indoor Localization which involves a directed signal, a reflected signal from the wall and the time difference between them. This solution includes robust localization with a given wall,…

Robotics · Computer Science 2023-06-06 Sneha Mohanty , Milan Müller , Christian Schindelhauer

This paper presents a learning-based approach to consider the effect of unobservable world states in kinodynamic motion planning in order to enable accurate high-speed off-road navigation on unstructured terrain. Existing kinodynamic motion…

Robotics · Computer Science 2021-07-09 Xuesu Xiao , Joydeep Biswas , Peter Stone

This paper introduces an innovative imaging method using reconfigurable intelligent surfaces (RISs) by combining radar coincidence imaging (RCI) and computational imaging techniques. In the proposed framework, RISs simultaneously redirect…

Signal Processing · Electrical Eng. & Systems 2025-07-11 Kavian Zirak , Mohammadreza F. Imani

While general object recognition is still far from being solved, this paper proposes a way for a robot to recognize every object at an almost human-level accuracy. Our key observation is that many robots will stay in a relatively closed…

Computer Vision and Pattern Recognition · Computer Science 2015-07-13 Shuran Song , Linguang Zhang , Jianxiong Xiao

In this paper we show how to perform scene-level inverse rendering to recover shape, reflectance and lighting from a single, uncontrolled image using a fully convolutional neural network. The network takes an RGB image as input, regresses…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Ye Yu , William A. P. Smith

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

Networking and Internet Architecture · Computer Science 2020-07-14 Jeongsik Choi

Amodal sensing is critical for various real-world sensing applications because it can recover the complete shapes of partially occluded objects in complex environments. Among various amodal sensing paradigms, wireless amodal sensing is a…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Yuhan Wang , Haobo Zhang , Qingyu Liu , Hongliang Zhang , Lingyang Song

Environmental scene reconstruction is of great interest for autonomous robotic applications, since an accurate representation of the environment is necessary to ensure safe interaction with robots. Equally important, it is also vital to…

Signal Processing · Electrical Eng. & Systems 2022-06-23 Cristian J. Vaca-Rubio , Roberto Pereira , Xavier Mestre , David Gregoratti , Zheng-Hua Tan , Elisabeth de Carvalho , Petar Popovski

The scale of wireless technologies penetration in our daily lives, primarily triggered by the Internet-of-things (IoT)-based smart cities, is beaconing the possibilities of novel localization and tracking techniques. Recently, low-power…

Signal Processing · Electrical Eng. & Systems 2020-06-03 Mahnoor Anjum , Muhammad Abdullah Khan , Syed Ali Hassan , Aamir Mahmood , Hassaan Khaliq Qureshi , Mikael Gidlund

Foot-mounted inertial positioning (FMIP) can face problems of inertial drifts and unknown initial states in real applications, which renders the estimated trajectories inaccurate and not obtained in a well defined coordinate system for…

Machine Learning · Statistics 2017-06-05 Yang Gu , Caifa Zhou , Andreas Wieser , Zhimin Zhou

Reconstruction of indoor surfaces with limited texture information or with repeated textures, a situation common in walls and ceilings, may be difficult with a monocular Structure from Motion system. We propose a Semantic Room Wireframe…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 David Gillsjö , Gabrielle Flood , Kalle Åström

Visual localization for planar moving robot is important to various indoor service robotic applications. To handle the textureless areas and frequent human activities in indoor environments, a novel robust visual localization algorithm…

Robotics · Computer Science 2020-11-03 Yanmei Jiao , Lilu Liu , Bo Fu , Xiaqing Ding , Minhang Wang , Yue Wang , Rong Xiong

5G radio at millimeter wave (mmWave) and beyond 5G concepts at 0.1-1 THz can exploit angle and delay measurements for localization, by the virtue of increased bandwidth and large antenna arrays but are limited in terms of blockage caused by…

Signal Processing · Electrical Eng. & Systems 2020-06-12 Henk Wymeersch , Jiguang He , Benoît Denis , Antonio Clemente , Markku Juntti

Indoor pathloss prediction is a fundamental task in wireless network planning, yet it remains challenging due to environmental complexity and data scarcity. In this work, we propose a deep learning-based approach utilizing a vision…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Rafayel Mkrtchyan , Edvard Ghukasyan , Khoren Petrosyan , Hrant Khachatrian , Theofanis P. Raptis

Seismic full waveform inversion (FWI) is a powerful geophysical imaging technique that produces high-resolution subsurface models by iteratively minimizing the misfit between the simulated and observed seismograms. Unfortunately,…

Image and Video Processing · Electrical Eng. & Systems 2021-09-24 Fangshu Yang , Jianwei Ma

WiFi-based device localization is a key enabling technology for smart applications, which has attracted numerous research studies in the past decade. Most of the existing approaches rely on Line-of-Sight (LoS) signals to work, while a…

Emerging Technologies · Computer Science 2025-04-10 Yimiao Sun , Yuan He , Jiacheng Zhang , Xin Na , Yande Chen , Weiguo Wang , Xiuzhen Guo