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Localizing moving targets in unknown harsh environments has always been a severe challenge. This letter investigates a novel localization system based on multi-agent networks, where multiple agents serve as mobile anchors broadcasting their…

信号处理 · 电气工程与系统科学 2021-09-27 Qin Shi , Xiaowei Cui , Sihao Zhao , Mingquan Lu

Place recognition is one of the most challenging problems in computer vision, and has become a key part in mobile robotics and autonomous driving applications for performing loop closure in visual SLAM systems. Moreover, the difficulty of…

计算机视觉与模式识别 · 计算机科学 2015-05-28 Ruben Gomez-Ojeda , Manuel Lopez-Antequera , Nicolai Petkov , Javier Gonzalez-Jimenez

A cost effective approach to remote monitoring of protected areas such as marine reserves and restricted naval waters is to use passive sonar to detect, classify, localize, and track marine vessel activity (including small boats and…

声音 · 计算机科学 2017-10-30 Eric L. Ferguson , Rishi Ramakrishnan , Stefan B. Williams , Craig T. Jin

In this paper, we consider positioning with observed-time-difference-of-arrival (OTDOA) for a device deployed in long-term-evolution (LTE) based narrow-band Internet-of-things (NB-IoT) systems. We propose an iterative…

信息论 · 计算机科学 2017-09-07 Sha Hu , Axel Berg , Xuhong Li , Fredrik Rusek

Deep learning approaches have demonstrated success in modeling analog audio effects. Nevertheless, challenges remain in modeling more complex effects that involve time-varying nonlinear elements, such as dynamic range compressors. Existing…

音频与语音处理 · 电气工程与系统科学 2022-04-18 Christian J. Steinmetz , Joshua D. Reiss

Near-field channel estimation is a fundamental challenge in the sixth-generation (6G) wireless communication, where extremely large antenna arrays (ELAA) enable near-field communication (NFC) but introduce significant signal processing…

信号处理 · 电气工程与系统科学 2025-05-21 Vu Tung Lam , Do Hai Son , Tran Thi Thuy Quynh , Le Trung Thanh

In WSN/IoT, node localization is essential to long-running applications for accurate environment monitoring and event detection, often covering a large area in the field. Due to the lower time resolution of typical WSN/IoT platforms (e.g.,…

网络与互联网体系结构 · 计算机科学 2025-09-30 Yiqing Zhou , Xule Zhou , Zecan Cheng , Chenao Lu , Junhan Chen , Jiahong Pan , Yizhuo Liu , Sihao Li , Kyeong Soo Kim

Accurate conditional prediction in the regression setting plays an important role in many real-world problems. Typically, a point prediction often falls short since no attempt is made to quantify the prediction accuracy. Classically, under…

统计方法学 · 统计学 2025-09-04 Kejin Wu , Dimitris N. Politis

This work proposes a low-power high-accuracy embedded hand-gesture recognition algorithm targeting battery-operated wearable devices using low power short-range RADAR sensors. A 2D Convolutional Neural Network (CNN) using range frequency…

信号处理 · 电气工程与系统科学 2021-04-07 Moritz Scherer , Michele Magno , Jonas Erb , Philipp Mayer , Manuel Eggimann , Luca Benini

Movable antenna (MA) has attracted increasing attention in wireless communications due to its capability of wireless channel reconfiguration through local antenna movement within a confined region at the transmitter/receiver. However, to…

信号处理 · 电气工程与系统科学 2025-05-28 Yitai Huang , Weidong Mei , Xin Wei , Zhi Chen , Boyu Ning

An algorithm based on Artificial Neural Networks is proposed in this paper to improve the accuracy of Inertial Navigation System (INS)/ Global Navigation Satellite System (GNSS) integrated navigation during the absence of GNSS signals. The…

信号处理 · 电气工程与系统科学 2020-10-07 Uche Onyekpe , Vasile Palade , Stratis Kanarachos

Real-time speech enhancement has began to rise in performance, and the Demucs Denoiser model has recently demonstrated strong performance in multiple-speech-source scenarios when accompanied by a location-based speech target selection…

音频与语音处理 · 电气工程与系统科学 2025-01-08 Caleb Rascon

The direction-of-arrival (DOA) of sound sources is an essential acoustic parameter used, e.g., for multi-channel speech enhancement or source tracking. Complex acoustic scenarios consisting of sources-of-interest, interfering sources,…

音频与语音处理 · 电气工程与系统科学 2022-02-17 Wolfgang Mack , Julian Wechsler , Emanuël A. P. Habets

In low altitude UAV communications, accurate channel estimation remains challenging due to the dynamic nature of air to ground links, exacerbated by high node mobility and the use of large scale antenna arrays, which introduce hybrid near…

信息论 · 计算机科学 2025-10-24 Wenli Yuan , Kan Yu , Xiaowu Liu , Kaixuan Li , Qixun Zhang , Zhiyong Feng

Lane change (LC) is one of the safety-critical manoeuvres in highway driving according to various road accident records. Thus, reliably predicting such manoeuvre in advance is critical for the safe and comfortable operation of automated…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Sajjad Mozaffari , Eduardo Arnold , Mehrdad Dianati , Saber Fallah

Traditional anomaly detection techniques onboard satellites are based on reliable, yet limited, thresholding mechanisms which are designed to monitor univariate signals and trigger recovery actions according to specific European Cooperation…

系统与控制 · 电气工程与系统科学 2025-07-16 Riccardo Gallon , Fabian Schiemenz , Alessandra Menicucci , Eberhard Gill

Audio-visual recognition (AVR) has been considered as a solution for speech recognition tasks when the audio is corrupted, as well as a visual recognition method used for speaker verification in multi-speaker scenarios. The approach of AVR…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Amirsina Torfi , Seyed Mehdi Iranmanesh , Nasser M. Nasrabadi , Jeremy Dawson

Predicting traffic conditions has been recently explored as a way to relieve traffic congestion. Several pioneering approaches have been proposed based on traffic observations of the target location as well as its adjacent regions, but they…

人工智能 · 计算机科学 2023-08-22 Xingyi Cheng , Ruiqing Zhang , Jie Zhou , Wei Xu

We study efficient deep learning training algorithms that process received wireless signals, if a test Signal to Noise Ratio (SNR) estimate is available. We focus on two tasks that facilitate source identification: 1- Identifying the…

机器学习 · 计算机科学 2020-04-21 Xingchen Wang , Shengtai Ju , Xiwen Zhang , Sharan Ramjee , Aly El Gamal

Current trends in autonomous vehicles and their applications indicates an increasing need in positioning at low battery and compute cost. Lidars provide accurate localization at the cost of high compute and power consumption which could be…

信号处理 · 电气工程与系统科学 2020-08-11 Rakshit Ramesh , Aaron John-Sabu , Harshitha S , Siddarth Ramesh , Vishwas Navada B , Mukunth Arunachalam , Bharadwaj Amrutur