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The localization of directional RF emitters presents significant challenges for electronic warfare applications. Traditional localization methods, designed for omnidirectional emitters, experience degraded performance when applied to…

信号处理 · 电气工程与系统科学 2025-10-30 Fraser Williams , Akila Pemasiri , Dhammika Jayalath , Terry Martin , Clinton Fookes

This paper considers the problem of simultaneous 2-D room shape reconstruction and self-localization without the requirement of any pre-established infrastructure. A mobile device equipped with co-located microphone and loudspeaker as well…

机器人学 · 计算机科学 2016-12-20 Tiexing Wang , Fangrong Peng , Biao Chen

In this work, we consider the problem of localizing multiple signal sources based on time-difference of arrival (TDOA) measurements. In the blind setting, in which the source signals are not known, the localization task is challenging due…

信号处理 · 电气工程与系统科学 2024-03-18 Gabrielle Flood , Filip Elvander

Localizing a cloud of points from noisy measurements of a subset of pairwise distances has applications in various areas, such as sensor network localization and reconstruction of protein conformations from NMR measurements. In [1], Drineas…

信息论 · 计算机科学 2019-05-01 Huan Zhang , Yulong Liu , Hong Lei

While deep-learning-based speaker localization has shown advantages in challenging acoustic environments, it often yields only direction-of-arrival (DOA) cues rather than precise two-dimensional (2D) coordinates. To address this, we propose…

音频与语音处理 · 电气工程与系统科学 2024-04-02 Shupei Liu , Linfeng Feng , Yijun Gong , Chengdong Liang , Chen Zhang , Xiao-Lei Zhang , Xuelong Li

3D-localization of gamma sources has the potential to improve the outcome of radio-guided surgery. The goal of this paper is to analyze the localization accuracy for point-like sources with a single coded aperture camera. We both simulated…

医学物理 · 物理学 2024-06-24 Tobias Meißner , Laura Antonia Cerbone , Paolo Russo , Werner Nahm , Jürgen Hesser

The steered response power (SRP) approach to acoustic source localization computes a map of the acoustic scene from the frequency-weighted output power of a beamformer steered towards a set of candidate locations. Equivalently, SRP may be…

音频与语音处理 · 电气工程与系统科学 2022-11-21 Thomas Dietzen , Enzo De Sena , Toon van Waterschoot

Localizing near-field sources considering practical arrays is important in wireless communications. Array-based apertures exhibit mutual coupling between the array elements, which can significantly degrade the performance of the…

信号处理 · 电气工程与系统科学 2024-07-30 Zohreh Ebadi , Amir Masoud Molaei , Muhammad Ali Babar Abbasi , Simon Cotton , Anvar Tukmanov , Okan Yurduseven

Albeit the recent progress in single image 3D human pose estimation due to the convolutional neural network, it is still challenging to handle real scenarios such as highly occluded scenes. In this paper, we propose to address the problem…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Xiang Guo , Yuchao Dai

This paper addresses the problem of ad hoc microphone array calibration where only partial information about the distances between microphones is available. We construct a matrix consisting of the pairwise distances and propose to estimate…

In this manuscript we consider the well-established problem of TDOA-based source localization and propose a comprehensive analysis of its solutions for arbitrary sensor measurements and placements. More specifically, we define the TDOA map…

数学物理 · 物理学 2014-02-13 Marco Compagnoni , Roberto Notari , Fabio Antonacci , Augusto Sarti

In this paper we consider the problem of localizing a set of broadband sources from a finite window of measurements. In the case of narrowband sources this can be reduced to the problem of spectral line estimation, where our goal is simply…

信号处理 · 电气工程与系统科学 2022-10-24 Coleman DeLude , Rakshith Sharma , Santhosh Karnik , Christopher Hood , Mark Davenport , Justin Romberg

In this paper, robust detection, tracking and geometry estimation methods are developed and combined into a system for estimating time-difference estimates, microphone localization and sound source movement. No assumptions on the 3D…

Euclidean Distance Matrix (EDM), which consists of pairwise squared Euclidean distances of a given point configuration, finds many applications in modern machine learning. This paper considers the setting where only a set of anchor nodes is…

机器学习 · 计算机科学 2025-05-27 Chandra Kundu , Abiy Tasissa , HanQin Cai

Passive source localization is often performed using time difference of arrival (TDOA) measurements, frequency difference of arrival (FDOA) measurements, direction of arrival (DOA) measurements, or a combination of all of these. For a…

信号处理 · 电气工程与系统科学 2018-08-15 Karleigh J. Cameron , Samuel J. Pine

We study the problem of localizing a configuration of points and planes from the collection of point-to-plane distances. This problem models simultaneous localization and mapping from acoustic echoes as well as the notable "structure from…

计算几何 · 计算机科学 2020-06-24 Miranda Krekovic , Ivan Dokmanic , Martin Vetterli

This paper proposes a fully automated method for recovering the location of a source and medium parameters in shallow waters. The scenario involves an unknown source emitting low-frequency sound waves in a shallow water environment, and a…

声音 · 计算机科学 2023-07-31 Angèle Niclas , Josselin Garnier

This paper proposes a new method that fuses acoustic measurements in the reverberation field and low-accuracy inertial measurement unit (IMU) motion reports for simultaneous localization and mapping (SLAM). Different from existing studies…

机器人学 · 计算机科学 2023-01-03 Wenhao Qiu , Gang Wang , Wenjing Zhang

This paper introduces a novel smartphone-enabled localization technology for ambient Internet of Things (IoT) devices, leveraging the widespread use of smartphones. By utilizing the passive movement of a smartphone, we create a virtual…

信息论 · 计算机科学 2024-10-29 Shang-Ling Shih , Chao-Kai Wen , Chau Yuen , Shi Jin

In the last three decades, the Steered Response Power (SRP) method has been widely used for the task of Sound Source Localization (SSL), due to its satisfactory localization performance on moderately reverberant and noisy scenarios. Many…