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相关论文: A Unified Prediction Framework for Signal Maps

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Radio map estimation from sparse measurements is fundamental to wireless network planning, optimization, and localized map updating. Most recent learning-based approaches formulate the problem as dense map completion over a predefined grid,…

信号处理 · 电气工程与系统科学 2026-04-21 Ang Li , Chengyu Liu , Yue Wang

Sample selection improves the efficiency and effectiveness of machine learning models by providing informative and representative samples. Typically, samples can be modeled as a sample graph, where nodes are samples and edges represent…

机器学习 · 计算机科学 2025-03-04 Tianchi Xie , Jiangning Zhu , Guozu Ma , Minzhi Lin , Wei Chen , Weikai Yang , Shixia Liu

Radio map estimation (RME) is the problem of inferring the value of a certain metric (e.g. signal power) across an area of interest given a collection of measurements. While most works tackle this problem from a purely non-Bayesian…

信号处理 · 电气工程与系统科学 2025-08-11 Tien Ngoc Ha , Daniel Romero

Learning-based radio map estimation (RME) plays a critical role in UAV-assisted wireless sensing, enabling tasks such as coverage prediction and network optimization. Most current methods assume an independently and identically distributed…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Feng Qiu , Zheng Fang , Shuhang Zhang , Kangjun Liu , Longkun Zou , Jing Liu , Ke Chen

Recent advances in neural networks have inspired people to design hybrid recommendation algorithms that can incorporate both (1) user-item interaction information and (2) content information including image, audio, and text. Despite their…

机器学习 · 计算机科学 2017-06-27 Ting Chen , Yizhou Sun , Yue Shi , Liangjie Hong

Supervised machine learning approaches require the formulation of a loss functional to be minimized in the training phase. Sequential data are ubiquitous across many fields of research, and are often treated with Euclidean distance-based…

机器学习 · 计算机科学 2022-09-30 Mathies Wedler , Merten Stender , Marco Klein , Svenja Ehlers , Norbert Hoffmann

Continuous neural representations have recently emerged as a powerful and flexible alternative to classical discretized representations of signals. However, training them to capture fine details in multi-scale signals is difficult and…

机器学习 · 计算机科学 2022-10-06 Sifan Wang , Hanwen Wang , Jacob H. Seidman , Paris Perdikaris

Bias in datasets can be very detrimental for appropriate statistical estimation. In response to this problem, importance weighting methods have been developed to match any biased distribution to its corresponding target unbiased…

机器学习 · 计算机科学 2022-09-12 Antoine de Mathelin , Francois Deheeger , Mathilde Mougeot , Nicolas Vayatis

For identification of systems embedded in dynamic networks, applying the prediction error method (PEM) to a correct tailor-made parametrization of the complete network provided asymptotically efficient estimates. However, the network…

系统与控制 · 计算机科学 2018-03-21 Miguel Galrinho , Riccardo Prota , Mina Ferizbegovic , Håkan Hjalmarsson

Despite their high accuracy, complex neural networks demand significant computational resources, posing challenges for deployment on resource constrained devices such as mobile phones and embedded systems. Compression algorithms have been…

机器学习 · 计算机科学 2025-09-23 Ali Aghababaei-Harandi , Massih-Reza Amini

Accurate localized wireless channel modeling is a cornerstone of cellular network optimization, enabling reliable prediction of network performance during parameter tuning. Localized statistical channel modeling (LSCM) is the…

机器学习 · 计算机科学 2025-09-18 Bingsheng Peng , Shutao Zhang , Xi Zheng , Ye Xue , Xinyu Qin , Tsung-Hui Chang

This paper presents a novel projection-based adaptive algorithm for sparse signal and system identification. The sequentially observed data are used to generate an equivalent sequence of closed convex sets, namely hyperslabs. Each hyperslab…

信息论 · 计算机科学 2015-10-28 Yannis Kopsinis , Konstantinos Slavakis , Sergios Theodoridis

Electricity load peak forecasting (ELPF), simultaneously predicting peak timing and intensity, is a prerequisite for effective grid scheduling and risk management. However, existing methods face three limitations. First, they adopt a…

机器学习 · 计算机科学 2026-05-22 Wangzhi Yu , Peng Zhu , Qing Zhao , Yiwen Jiang , Dawei Cheng

This paper aims to devise a generalized maximum likelihood (ML) estimator to robustly detect signals with unknown noise statistics in multiple-input multiple-output (MIMO) systems. In practice, there is little or even no statistical…

机器学习 · 计算机科学 2021-01-22 Ke He , Le He , Lisheng Fan , Yansha Deng , George K. Karagiannidis , Arumugam Nallanathan

Accurate channel estimation is essential for reliable communication in sub-THz extremely large (XL) MIMO systems. Deploying XL-MIMO in high-frequency bands not only increases the number of antennas, but also fundamentally alters channel…

信号处理 · 电气工程与系统科学 2025-04-15 Wen-Xuan Long , Marco Moretti , Michele Morelli , Luca Sanguinetti , Rui Chen

We propose a unified framework for fair regression tasks formulated as risk minimization problems subject to a demographic parity constraint. Unlike many existing approaches that are limited to specific loss functions or rely on challenging…

统计方法学 · 统计学 2026-01-16 Yongzhen Feng , Weiwei Wang , Raymond K. W. Wong , Xianyang Zhang

A fundamental problem in modern supervised learning is computing reliable conditional prediction intervals in high-dimensional settings: existing methods often rely on restrictive modelling assumptions, do not scale as predictor dimension…

机器学习 · 统计学 2026-02-24 Daniel Salnikov , Dan Leonte , Kevin Michalewicz

A reinforcement-learning-based non-uniform compressed sensing (NCS) framework for time-varying signals is introduced. The proposed scheme, referred to as RL-NCS, aims to boost the performance of signal recovery through an optimal and…

机器学习 · 计算机科学 2021-07-05 Nazmul Karim , Alireza Zaeemzadeh , Nazanin Rahnavard

Multivariate sign functions are often used for robust estimation and inference. We propose using data dependent weights in association with such functions. The proposed weighted sign functions retain desirable robustness properties, while…

统计方法学 · 统计学 2022-06-22 Subhabrata Majumdar , Snigdhansu Chatterjee

Strategies to improve the predicting performance of Message-Passing Neural-Networks for molecular property predictions can be achieved by simplifying how the message is passed and by using descriptors that capture multiple aspects of…

机器学习 · 计算机科学 2025-10-22 Alma C. Castaneda-Leautaud , Rommie E. Amaro
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