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This paper addresses the problem of optimizing sensor deployment locations to reconstruct and also predict a spatiotemporal field. A novel deep learning framework is developed to find a limited number of optimal sampling locations and based…

信号处理 · 电气工程与系统科学 2019-10-30 Jiahong Chen , Teng Li , Jing Wang , Clarence W. de Silva

The literature is abundant with methodologies focusing on using transformer architectures due to their prominence in wireless signal processing and their capability to capture long-range dependencies via attention mechanisms. In particular,…

信息论 · 计算机科学 2025-04-17 Cemil Vahapoglu , Timothy J. O'Shea , Wan Liu , Tamoghna Roy , Sennur Ulukus

Generative models have shown robust performance on speech enhancement and restoration tasks, but most prior approaches operate offline with high latency, making them unsuitable for streaming applications. In this work, we investigate the…

音频与语音处理 · 电气工程与系统科学 2025-10-21 Tsun-An Hsieh , Sebastian Braun

Flexible Intelligent Metasurfaces (FIMs) enable wireless systems to adapt their three-dimensional geometry through morphing, thereby providing new spatial degrees of freedom. However, continuous deformation complicates the accurate…

信号处理 · 电气工程与系统科学 2026-05-29 Vinícius L. Romano , André L. F. de Almeida , Daniel C. Araújo

One of the most challenging scenarios for smart speakers is multi-talker, when target speech from the desired speaker is mixed with interfering speech from one or more speakers. A smart assistant needs to determine which voice to recognize…

音频与语音处理 · 电气工程与系统科学 2022-05-19 Joe Caroselli , Arun Narayanan , Yiteng Huang

Nowadays, there is a strong need to deploy the target speaker separation (TSS) model on mobile devices with a limitation of the model size and computational complexity. To better perform TSS for mobile voice communication, we first make a…

声音 · 计算机科学 2021-06-08 Yuanyuan Bao , Yanze Xu , Na Xu , Wenjing Yang , Hongfeng Li , Shicong Li , Yongtao Jia , Fei Xiang , Jincheng He , Ming Li

To date, various speech technology systems have adopted the vocoder approach, a method for synthesizing speech waveform that shows a major role in the performance of statistical parametric speech synthesis. WaveNet one of the best models…

声音 · 计算机科学 2021-06-15 Mohammed Salah Al-Radhi , Tamás Gábor Csapó , Csaba Zainkó , Géza Németh

This paper addresses the problem of multi-channel multi-speech separation based on deep learning techniques. In the short time Fourier transform domain, we propose an end-to-end narrow-band network that directly takes as input the…

声音 · 计算机科学 2022-04-13 Changsheng Quan , Xiaofei Li

The multichannel Wiener filter (MWF) and its variations have been extensively applied to binaural hearing aids. However, its major drawback is the distortion of the binaural cues of the residual noise, changing the original acoustic…

音频与语音处理 · 电气工程与系统科学 2019-11-12 Johnny Werner , Marcio H. Costa

Practical multiple-input-multiple-output (MIMO) systems depend on a predefined set of precoders to provide spatial multiplexing gain. This limitation on the flexibility of the precoders affects the overall performance. Here, we propose a…

信号处理 · 电气工程与系统科学 2020-03-06 Berker Peköz , Mohammed Hafez , Selçuk Köse , Hüseyin Arslan

High-frequency features are critical in multiscale phenomena such as turbulent flows and phase transitions, since they encode essential physical information. The recently proposed Wavelet Neural Operator (WNO) utilizes wavelets'…

数值分析 · 数学 2025-06-24 Wei-Min Lei , Hou-Biao Li

The cost of radio frequency (RF) chains is the biggest drawback of massive MIMO millimeter wave networks. By employing spatial modulation (SM), it is possible to implement lower number of RF chains than transmit antennas but still achieve…

信息论 · 计算机科学 2017-09-15 Merve Yüzgeçcioglu , Eduard Jorswieck

Flexible intelligent metasurfaces (FIMs) offer a new solution for wireless communications by introducing morphological degrees of freedom, dynamically morphing their three-dimensional shape to ensure multipath signals interfere…

信息论 · 计算机科学 2026-04-08 Jian Xiao , Ji Wang , Qimei Cui , Yucang Yang , Xingwang Li , Dusit Niyato , Chau Yuen

Spatial mixture model (SMM) supported acoustic beamforming has been extensively used for the separation of simultaneously active speakers. However, it has hardly been considered for the separation of meeting data, that are characterized by…

Audio-Visual Segmentation (AVS) aims to generate pixel-wise segmentation maps that correlate with the auditory signals of objects. This field has seen significant progress with numerous CNN and Transformer-based methods enhancing the…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Sitong Gong , Yunzhi Zhuge , Lu Zhang , Pingping Zhang , Huchuan Lu

We present Beamforming-LLM, a system that enables users to semantically recall conversations they may have missed in multi-speaker environments. The system combines spatial audio capture using a microphone array with retrieval-augmented…

音频与语音处理 · 电气工程与系统科学 2025-09-09 Vishal Choudhari

Recent advances in speaker diarization exploit large pretrained foundation models, such as WavLM, to achieve state-of-the-art performance on multiple datasets. Systems like DiariZen leverage these rich single-channel representations, but…

音频与语音处理 · 电气工程与系统科学 2026-01-06 Marc Deegen , Tobias Gburrek , Tobias Cord-Landwehr , Thilo von Neumann , Jiangyu Han , Lukáš Burget , Reinhold Haeb-Umbach

Future multi-input multi-output (MIMO) wireless communications systems will use beamforming as a first-step towards realizing the capacity requirements necessitated by the exponential increase in data demands. The focus of this work is on…

信息论 · 计算机科学 2017-07-27 Dennis Ogbe , David J. Love , Vasanthan Raghavan

Masked Image Modeling (MIM) has garnered significant attention in self-supervised learning, thanks to its impressive capacity to learn scalable visual representations tailored for downstream tasks. However, images inherently contain…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Wenzhao Xiang , Chang Liu , Hongyang Yu , Xilin Chen

When designing fully-convolutional neural network, there is a trade-off between receptive field size, number of parameters and spatial resolution of features in deeper layers of the network. In this work we present a novel network design…

机器学习 · 计算机科学 2018-11-19 Tomasz Grzywalski , Szymon Drgas