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The global and local contexts significantly contribute to the integrity of predictions in Salient Object Detection (SOD). Unfortunately, existing methods still struggle to generate complete predictions with fine details. There are two major…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Yi Ke Yun , Weisi Lin

The spectrum cartography (SC) technique constructs multi-domain (e.g., frequency, space, and time) radio frequency (RF) maps from limited measurements, which can be viewed as an ill-posed tensor completion problem. Model-based cartography…

信号处理 · 电气工程与系统科学 2022-04-06 Sagar Shrestha , Xiao Fu , Mingyi Hong

This study presents the first comprehensive comparison of rule-based methods, traditional machine learning models, and deep learning models in radio wave sensing with frequency modulated continuous wave multiple input multiple output radar.…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Tomoya Tanaka , Tomonori Ikeda , Ryo Yonemoto

In remote sensing, most segmentation networks adopt the UNet architecture, often incorporating modules such as Transformers or Mamba to enhance global-local feature interactions within decoder stages. However, these enhancements typically…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Chengqian Dai , Yonghong Guo , Hongzhao Xiang , Yigui Luo

Radar is usually more robust than the camera in severe driving scenarios, e.g., weak/strong lighting and bad weather. However, unlike RGB images captured by a camera, the semantic information from the radar signals is noticeably difficult…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Yizhou Wang , Zhongyu Jiang , Xiangyu Gao , Jenq-Neng Hwang , Guanbin Xing , Hui Liu

Although various linear log-distance path loss models have been developed, advanced models are requiring to more accurately and flexibly represent the path loss for complex environments such as the urban area. This letter proposes an…

机器学习 · 计算机科学 2019-04-05 Chanshin Park , Daniel K. Tettey , Han-Shin Jo

Meter-level load forecasting is crucial for efficient energy management and power system planning for Smart Grids (SGs), in tasks associated with regulation, dispatching, scheduling, and unit commitment of power grids. Although a variety of…

Understanding and discovering knowledge from GPS (Global Positioning System) traces of human activities is an essential topic in mobility-based urban computing. We propose TrajectoryNet-a neural network architecture for point-based…

计算机视觉与模式识别 · 计算机科学 2017-08-31 Xiang Jiang , Erico N de Souza , Ahmad Pesaranghader , Baifan Hu , Daniel L. Silver , Stan Matwin

While traditional statistical signal processing model-based methods can derive the optimal estimators relying on specific statistical assumptions, current learning-based methods further promote the performance upper bound via deep neural…

声音 · 计算机科学 2022-03-17 Andong Li , Chengshi Zheng , Ziyang Zhang , Xiaodong Li

The terahertz (THz) band radio access with larger available bandwidth is anticipated to provide higher capacities for next-generation wireless communication systems. However, higher path loss at THz frequencies significantly limits the…

信号处理 · 电气工程与系统科学 2023-09-01 Hasan Nayir , Erhan Karakoca , Ali Görçin , Khalid Qaraqe

In this work, we face the issue of achieving an efficient dynamic mapping in vehicular networking scenarios, i.e., to obtain an accurate estimate of the positions and trajectories of connected vehicles in a certain area. State of the art…

网络与互联网体系结构 · 计算机科学 2019-10-17 Federico Mason , Marco Giordani , Federico Chiariotti , Andrea Zanella , Michele Zorzi

Sound field reproduction with undistorted sound quality and precise spatial localization is desirable for automotive audio systems. However, the complexity of automotive cabin acoustic environment often necessitates a trade-off between…

音频与语音处理 · 电气工程与系统科学 2025-09-12 Yufan Qian , Tianshu Qu , Xihong Wu

Radio map in general refers to the geographical signal power spectrum density, formed by the superposition of concurrent wireless transmissions, as a function of location, frequency and time. It contains rich and useful information…

信息论 · 计算机科学 2018-12-19 Suzhi Bi , Jiangbin Lyu , Zhi Ding , Rui Zhang

This paper presents a deep learning-based framework for enhancing radar systems in the presence of interference, leveraging Reconfigurable Intelligent Surfaces (RIS). The proposed technique uses a modified MUSIC algorithm to estimate the…

信号处理 · 电气工程与系统科学 2025-04-08 Ali Parchekani , Milad Johnny , Shahrokh Valaee

This paper addresses the problem of reliable transmission of data through a sensor network. We focus on networks rapidly deployed in harsh environments. For these networks, important design requirements are fast data transmission and rapid…

网络与互联网体系结构 · 计算机科学 2010-01-06 Katia Jaffrès-Runser , Cristina Comaniciu , Jean-Marie Gorce

One essential step to realize modern driver assistance technology is the accurate knowledge about the location of static objects in the environment. In this work, we use artificial neural networks to predict the occupation state of a whole…

机器人学 · 计算机科学 2019-04-01 Daniel Bauer , Lars Kuhnert , Lutz Eckstein

A Machine Learning (ML) network based on transfer learning and transformer networks is applied to wave propagation models for complex indoor settings. This network is designed to predict signal propagation in environments with a variety of…

信号处理 · 电气工程与系统科学 2025-01-28 Ziheng Fu , Swagato Mukherjee , Michael T. Lanagan , Prasenjit Mitra , Tarun Chawla , Ram M. Narayanan

Accurate multiple-input multiple-output (MIMO) channel estimation is critical for next-generation wireless systems, enabling enhanced communication and sensing performance. Traditional model-based channel estimation methods suffer, however,…

信号处理 · 电气工程与系统科学 2026-02-02 Seyed Alireza Javid , Nuria González-Prelcic

In a normal indoor environment, Raman spectrum encounters noise often conceal spectrum peak, leading to difficulty in spectrum interpretation. This paper proposes deep learning (DL) based noise reduction technique for Raman spectroscopy.…

Massive multiple-input multiple-output (MIMO) communication systems have a huge potential both in terms of data rate and energy efficiency, although channel estimation becomes challenging for a large number of antennas. Using a physical…

信号处理 · 电气工程与系统科学 2021-12-10 Taha Yassine , Luc Le Magoarou