English
Related papers

Related papers: Radio Tomography for Roadside Surveillance

200 papers

RF sensor networks are used to localize people indoor without requiring them to wear invasive electronic devices. These wireless mesh networks, formed by low-power radio transceivers, continuously measure the received signal strength (RSS)…

Networking and Internet Architecture · Computer Science 2014-08-01 Cesare Alippi , Maurizio Bocca , Giacomo Boracchi , Neal Patwari , Manuel Roveri

Radio Tomographic Imaging (RTI) is a phaseless imaging approach that can provide shape reconstruction and localization of objects using received signal strength (RSS) measurements. RSS measurements can be straightforwardly obtained from…

Applied Physics · Physics 2023-11-17 Amartansh Dubey , Zan Li , Ross Murch

Radio tomographic imaging (RTI) enables device free localisation of people and objects in many challenging environments and situations. Its basic principle is to detect the changes in the statistics of some radio quality measurements in…

Other Computer Science · Computer Science 2014-02-13 Bo Wei , Ambuj Varshney , Wen Hu , Neal Patwari , Thiemo Voigt , Chun Tung Chou

Radio tomographic imaging (RTI) is an emerging technology to locate physical objects in a geographical area covered by wireless networks. From the attenuation measurements collected at spatially distributed sensors, radio tomography…

Signal Processing · Electrical Eng. & Systems 2019-03-27 Donghoon Lee , Dimitris Berberidis , Georgios B. Giannakis

Radio tomographic imaging (RTI) is an emerging technology for localization of physical objects in a geographical area covered by wireless networks. With attenuation measurements collected at spatially distributed sensors, RTI capitalizes on…

Signal Processing · Electrical Eng. & Systems 2020-08-26 Donghoon Lee , Georgios B. Giannakis

A radio tomographic imaging (RTI) system uses the received signal strength (RSS) measured by RF sensors in a static wireless network to localize people in the deployment area, without having them to carry or wear an electronic device. This…

Networking and Internet Architecture · Computer Science 2013-12-20 Maurizio Bocca , Anh Luong , Neal Patwari , Thomas Schmid

A Reflectance Transformation Imaging technique (RTI) realized by multi-rotor Unmanned Aerial Vehicles (UAVs) with a focus on deployment in difficult to access buildings is presented in this letter. RTI is a computational photographic method…

Robotics · Computer Science 2023-03-03 Vít Krátký , Pavel Petráček , Vojtěch Spurný , Martin Saska

RF sensor networks are wireless networks that can localize and track people (or targets) without needing them to carry or wear any electronic device. They use the change in the received signal strength (RSS) of the links due to the…

Networking and Internet Architecture · Computer Science 2013-02-20 Maurizio Bocca , Ossi Kaltiokallio , Neal Patwari , Suresh Venkatasubramanian

Reflectance Transformation Imaging (RTI) is a popular technique that allows the recovery of per-pixel reflectance information by capturing an object under different light conditions. This can be later used to reveal surface details and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Mara Pistellato , Filippo Bergamasco

This paper proposes a novel method for geo-tracking, i.e. continuous metric self-localization in outdoor environments by registering a vehicle's sensor information with aerial imagery of an unseen target region. Geo-tracking methods offer…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Florian Fervers , Sebastian Bullinger , Christoph Bodensteiner , Michael Arens , Rainer Stiefelhagen

Intelligent Transportation Systems (ITS) can benefit from roadside 4D mmWave radar sensors for large-scale traffic monitoring due to their weatherproof functionality, long sensing range and low manufacturing cost. However, the localization…

Robotics · Computer Science 2024-07-04 Longfei Han , Qiuyu Xu , Klaus Kefferpütz , Gordon Elger , Jürgen Beyerer

Received signal strength based radio tomographic imaging is a popular device-free indoor localization method which reconstructs the spatial loss field of the environment using measurements from a dense wireless network. Existing methods…

Emerging Technologies · Computer Science 2016-04-12 Hüseyin Yiğitler , Riku Jäntti , Ossi Kaltiokallio , Neal Patwari

For autonomous vehicles to be able to operate successfully they need to be aware of other vehicles with sufficient time to make safe, stable plans. Given the possible closing speeds between two vehicles, this necessitates the ability to…

Robotics · Computer Science 2019-05-20 Simon Chadwick , Will Maddern , Paul Newman

Active Search and Tracking for search and rescue missions or collaborative mobile robotics relies on the actuation of a sensing platform to detect and localize a target. In this paper we focus on visually detecting a radio-emitting target…

Robotics · Computer Science 2021-04-13 L. Varotto , A. Cenedese , A. Cavallaro

A method is proposed, based on scan statistics, to detect, identify, and localize illicit radiological material using mobile sensors in an urban environment. Our method handles varying levels of background radiation that change according to…

Signal Processing · Electrical Eng. & Systems 2020-02-11 Michael D. Porter , Alphonse Akakpo

Indoor positioning systems have received a lot of attention recently due to their importance for many location-based services, e.g. indoor navigation and smart buildings. Lightweight solutions based on WiFi and inertial sensing have gained…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Savvas Papaioannou , Hongkai Wen , Andrew Markham , Niki Trigoni

Medical Resonance Imaging or MRI is a medical image processing technique that used radio waves to scan the body. It is a tomographic imaging technique, principally used in the field of radiology. With the advantage of being a painless…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Jacob John

Current magnetic resonance imaging (MRI) requires the subject to remain stationary to limit motion artifacts and avoid unwanted field-induced brain stimulation. However, imaging during large-scale motion could enable studies in which motion…

The addition of contextual sensors to mobile radiation sensors provides valuable information about radiological source encounters that can assist in adjudication of alarms. This study explores how computer-vision based object detection and…

Signal Processing · Electrical Eng. & Systems 2023-09-14 M. R. Marshall , R. J. Cooper , J. C. Curtis , D. Hellfeld , T. H. Y. Joshi , M. Salathe , K. Vetter

The robust estimation of the mounting angle for millimeter-wave automotive radars installed on moving vehicles is investigated. We propose a novel signal processing pipeline that combines radar and inertial measurement unit (IMU) data to…

Signal Processing · Electrical Eng. & Systems 2026-02-02 Simin Zhu , Satish Ravindran , Lihui Chen , Alexander Yarovoy , Francesco Fioranelli
‹ Prev 1 2 3 10 Next ›