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The source separation-based speech enhancement problem with multiple beamforming in reverberant indoor environments is addressed in this paper. We propose that more generic solutions should cope with time-varying dynamic scenarios with…

音频与语音处理 · 电气工程与系统科学 2020-11-05 Alejandro Díaz , Diego Pincheira , Rodrigo Mahu , Nestor Becerra Yoma

This paper studies the coordinated beamforming (CoBF) design for the multiple-input single-output interference channel, provided that only channel distribution information is known to the transmitters. The problem under consideration is a…

信息论 · 计算机科学 2023-07-19 Wei-Chiang Li , Tsung-Hui Chang , Chong-Yung Chi

The optimal beamforming design for multi-user continuous aperture array (CAPA) systems is proposed. In contrast to conventional spatially discrete array (SPDA), the beamformer for CAPA is a continuous function rather than a discrete vector…

信息论 · 计算机科学 2025-06-13 Zhaolin Wang , Chongjun Ouyang , Yuanwei Liu

We consider the task of estimating a low-rank matrix from non-linear and noisy observations. We prove a strong universality result showing that Bayes-optimal performances are characterized by an equivalent Gaussian model with an effective…

机器学习 · 统计学 2024-03-08 Pierre Mergny , Justin Ko , Florent Krzakala , Lenka Zdeborová

The large language model (LLM) is typically integrated into the mainstream optimization protocol. No work has questioned whether maintaining the model integrity is \textit{indispensable} for promising performance. In this work, we introduce…

计算与语言 · 计算机科学 2026-03-17 Mingyuan Zhang , Yue Bai , Huan Wang , Yizhou Wang , Qihua Dong , Yitian Zhang , Yun Fu

Generative modeling has recently achieved remarkable success across image, video, and audio domains, demonstrating powerful capabilities for unified representation learning. Yet speech front-end tasks such as speech enhancement (SE), target…

音频与语音处理 · 电气工程与系统科学 2025-08-12 Ziqian Wang , Zikai Liu , Yike Zhu , Xingchen Li , Boyi Kang , Jixun Yao , Xianjun Xia , Chuanzeng Huang , Lei Xie

In this work, decision feedback (DF) detection algorithms based on multiple processing branches for multi-input multi-output (MIMO) spatial multiplexing systems are proposed. The proposed detector employs multiple cancellation branches with…

信息论 · 计算机科学 2013-08-14 R. C. de Lamare

This paper conceives a hybrid beamforming design (HBF) that maximizes the energy efficiency (EE) of an integrated sensing and communication (ISAC)-enabled millimeter wave (mmWave) multiple-input multiple-output (MIMO) system. In the system…

信号处理 · 电气工程与系统科学 2024-06-07 Jitendra Singh , Suraj Srivastava , Aditya K. Jagannatham

Binaural beamforming algorithms for head-mounted assistive listening devices are crucial to improve speech quality and speech intelligibility in noisy environments, while maintaining the spatial impression of the acoustic scene. While the…

音频与语音处理 · 电气工程与系统科学 2022-11-22 N. Gößling , D. Marquardt , I. Merks , T. Zhang , S. Doclo

This paper deals with joint source and relay beamforming (BF) design for an amplify-and-forward (AF) multi-antenna multirelay network. Considering that the channel state information (CSI) from relays to destination is imperfect, we aim to…

信号处理 · 电气工程与系统科学 2020-03-05 Hongying Tang , Wen Chen , Jun Li , Haibin Wan

Wearing a face mask is one of the adjustments we had to follow to reduce the spread of the coronavirus. Having our faces covered by masks constantly has driven the need to understand and investigate how this behavior affects the recognition…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Mohammed R. Al-Sinan , Aseel F. Haneef , Hamzah Luqman

This paper studies the design of wireless federated learning (FL) for simultaneously training multiple machine learning models. We consider round robin device-model assignment and downlink beamforming for concurrent multiple model updates.…

信息论 · 计算机科学 2024-01-17 Chong Zhang , Min Dong , Ben Liang , Ali Afana , Yahia Ahmed

The performance of linear receive beamforming in continuous-aperture array (CAPA)-based uplink communications is analyzed. Three continuous beamforming techniques are proposed under the criteria of maximum-ratio combining (MRC),…

信号处理 · 电气工程与系统科学 2025-05-12 Chongjun Ouyang , Zhaolin Wang , Xingqi Zhang , Yuanwei Liu

Developing models with robust group fairness properties is paramount, particularly in ethically sensitive domains such as medical diagnosis. Recent approaches to achieving fairness in machine learning require a substantial amount of…

机器学习 · 计算机科学 2024-10-02 Yuyang Xue , Junyu Yan , Raman Dutt , Fasih Haider , Jingshuai Liu , Steven McDonagh , Sotirios A. Tsaftaris

Masked AutoEncoders (MAE) have emerged as a robust self-supervised framework, offering remarkable performance across a wide range of downstream tasks. To increase the difficulty of the pretext task and learn richer visual representations,…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Carlos Hinojosa , Shuming Liu , Bernard Ghanem

We consider the problem of distributed estimation of a Gaussian vector with linear observation model. Each sensor makes a scalar noisy observation of the unknown vector, quantizes its observation, maps it to a digitally modulated symbol,…

信息论 · 计算机科学 2020-05-01 Mojtaba Shirazi , Azadeh Vosoughi

Pre-trained self-supervised learning (SSL) models have achieved remarkable success in various speech tasks. However, their potential in target speech extraction (TSE) has not been fully exploited. TSE aims to extract the speech of a target…

音频与语音处理 · 电气工程与系统科学 2024-02-21 Junyi Peng , Marc Delcroix , Tsubasa Ochiai , Oldrich Plchot , Shoko Araki , Jan Cernocky

Algorithms for computing or approximating optimal decompositions for decompositional parameters such as treewidth or clique-width have so far traditionally been tailored to specific width parameters. Moreover, for mim-width, no efficient…

数据结构与算法 · 计算机科学 2021-10-01 Eduard Eiben , Robert Ganian , Thekla Hamm , Lars Jaffke , O-Joung Kwon

Cooperating radios can extend their communication range by adjusting their signals to ensure coherent combining at a destination radio. This technique is called distributed transmit beamforming. Beamforming (BF) relies on the BF radios…

信号处理 · 电气工程与系统科学 2021-10-27 Samer Hanna , Danijela Cabric

The performance of single channel source separation algorithms has improved greatly in recent times with the development and deployment of neural networks. However, many such networks continue to operate on the magnitude spectrogram of a…

音频与语音处理 · 电气工程与系统科学 2018-10-08 Shrikant Venkataramani , Paris Smaragdis