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相关论文: A frequency domain approach for local module ident…

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Image denoising is a fundamental challenge in computer vision, with applications in photography and medical imaging. While deep learning-based methods have shown remarkable success, their reliance on specific noise distributions limits…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Dongjin Kim , Jaekyun Ko , Muhammad Kashif Ali , Tae Hyun Kim

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

Modeling high-frequency information is a critical challenge in scientific machine learning. For instance, fully turbulent flow simulations of the Navier-Stokes equations at Reynolds numbers 3500 and above can generate high-frequency signals…

机器学习 · 计算机科学 2026-01-13 Marimuthu Kalimuthu , David Holzmüller , Mathias Niepert

Wireless jamming identification, which detects and classifies electromagnetic jamming from non-cooperative devices, is crucial for emerging low-altitude wireless networks consisting of many drone terminals that are highly susceptible to…

信号处理 · 电气工程与系统科学 2025-08-19 Pengyu Wang , Zhaocheng Wang , Tianqi Mao , Weijie Yuan , Haijun Zhang , George K. Karagiannidis

For flexible non-blind image denoising, existing deep networks usually take both noisy image and noise level map as the input to handle various noise levels with a single model. However, in this kind of solution, the noise variance (i.e.,…

图像与视频处理 · 电气工程与系统科学 2020-06-25 Jiazhi Du , Xin Qiao , Zifei Yan , Hongzhi Zhang , Wangmeng Zuo

Cross-Domain Few-Shot Learning has witnessed great stride with the development of meta-learning. However, most existing methods pay more attention to learning domain-adaptive inductive bias (meta-knowledge) through feature-wise manipulation…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Tiange Zhang , Qing Cai , Feng Gao , Lin Qi , Junyu Dong

Identifiability of linear dynamic networks requires the presence of a sufficient number of external excitation signals. The problem of allocating a minimal number of external signals for guaranteeing generic network identifiability has been…

系统与控制 · 电气工程与系统科学 2022-05-16 H. J. Dreef , S. Shi , X. Cheng , M. C. F. Donkers , P. M. J. Van den Hof

This paper addresses the problem of learning linear dynamical systems from noisy observations. In this setting, existing algorithms either yield biased parameter estimates or have large sample complexities. We resolve these issues by…

系统与控制 · 电气工程与系统科学 2025-09-08 Yuyang Zhang , Xinhe Zhang , Jia Liu , Na Li

This paper presents a data-integrated framework for learning the dynamics of fractional-order nonlinear systems in both discrete-time and continuous-time settings. The proposed framework consists of two main steps. In the first step,…

系统与控制 · 电气工程与系统科学 2025-06-19 Bahram Yaghooti , Chengyu Li , Bruno Sinopoli

This paper proposes a hierarchical, multi-resolution framework for the identification of model parameters and their spatially variability from noisy measurements of the response or output. Such parameters are frequently encountered in…

数学物理 · 物理学 2015-05-13 P. S. Koutsourelakis

We propose a unified framework for deriving and studying soft-in-soft-out (SISO) detection in interference channels using the concept of variational inference. The proposed framework may be used in multiple-access interference (MAI),…

信息论 · 计算机科学 2009-11-23 D. D. Lin , T. J. Lim

We present two approaches to system identification, i.e. the identification of partial differential equations (PDEs) from measurement data. The first is a regression-based Variational System Identification procedure that is advantageous in…

计算物理 · 物理学 2024-03-28 Zhenlin Wang , Bowei Wu , Krishna Garikipati , Xun Huan

In this paper, the problem of optimal maximum likelihood detection in a single user single-input multiple-output (SIMO) channel with phase noise at the receiver is considered. The optimal detection rules under training are derived for two…

信息论 · 计算机科学 2016-11-18 Antonios Pitarokoilis , Emil Björnson , Erik G. Larsson

Efficient and low-latency wireless connectivity between the base station (BS) and a sparse set of sporadically active devices from a massive number of devices is crucial for random access in emerging massive machine-type communications…

信息论 · 计算机科学 2024-04-16 Jyotish Robin , Elza Erkip

This paper investigates joint device identification, channel estimation, and signal detection for LEO satellite-enabled grant-free random access, where a multiple-input multipleoutput (MIMO) system with orthogonal time-frequency space…

信息论 · 计算机科学 2023-08-08 Boxiao Shen , Yongpeng Wu , Wenjun Zhang , Symeon Chatzinotas , Björn Ottersten

In this paper, an efficient massive multiple-input multiple-output (MIMO) detector is proposed by employing a deep neural network (DNN). Specifically, we first unfold an existing iterative detection algorithm into the DNN structure, such…

信号处理 · 电气工程与系统科学 2020-04-16 Jieyu Liao , Junhui Zhao , Feifei Gao , Geoffrey Ye Li

The direction of arrival (DOA) estimation algorithms are crucial in localizing acoustic sources. Traditional localization methods rely on block-level processing to extract the directional information from multiple measurements processed…

音频与语音处理 · 电气工程与系统科学 2023-08-15 Ruchi Pandey , Santosh Nannuru

While trade-offs between modeling effort and model accuracy remain a major concern with system identification, resorting to data-driven methods often leads to a complete disregard for physical plausibility. To address this issue, we propose…

系统与控制 · 电气工程与系统科学 2022-08-23 Oliver Schön , Ricarda-Samantha Götte , Julia Timmermann

The paper addresses the problem of parameter estimation (or identification) in dynamical networks composed of an arbitrary number of FitzHugh-Nagumo neuron models with diffusive couplings between each other. It is assumed that only the…

系统与控制 · 电气工程与系统科学 2025-02-25 Aleksandra Rybalko , Alexander Fradkov

In this paper, we study the low-complexity iterative soft-input soft-output (SISO) detection algorithm in a large-scale distributed multiple-input multiple-output (MIMO) system. The uplink interference suppression matrix is designed to…

信号处理 · 电气工程与系统科学 2018-11-20 Yuan Feng , Menghan Wang , Dongming Wang , Xiaohu You