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Single-channel speech enhancement algorithms are often used in resource-constrained embedded devices, where low latency and low complexity designs gain more importance. In recent years, researchers have proposed a wide variety of novel…

音频与语音处理 · 电气工程与系统科学 2026-04-29 Nicolás Arrieta Larraza , Niels de Koeijer

With the growing demand for high-bandwidth applications like video streaming and cloud services, the data transfer rates required for wireline communication keeps increasing, making the channel loss a major obstacle in achieving low bit…

信号处理 · 电气工程与系统科学 2023-08-07 Hanseok Kim , Jae Hyung Ju , Hyun Seok Choi , Hyeri Roh , Woo-Seok Choi

ResNets and its variants play an important role in various fields of image recognition. This paper gives another variant of ResNets, a kind of cross-residual learning networks called C-ResNets, which has less computation and parameters than…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Jun Liang , Songsen Yu , Huan Yang

Reconfigurable antennas that can dynamically change their operation state exhibit excellent adaptivity and flexibility over traditional antennas, and MIMO arrays that consist of multifunctional and reconfigurable antennas (MRAs) are…

信号处理 · 电气工程与系统科学 2023-04-07 Mu Liang , Ang Li

Integrated sensing and communication (ISAC) and intelligent reflecting surface (IRS) are viewed as promising technologies for future generations of wireless networks. This paper investigates the channel estimation problem in an IRS-assisted…

信号处理 · 电气工程与系统科学 2024-04-09 Yu Liu , Ibrahim Al-Nahhal , Octavia A. Dobre , Fanggang Wang

In low altitude UAV communications, accurate channel estimation remains challenging due to the dynamic nature of air to ground links, exacerbated by high node mobility and the use of large scale antenna arrays, which introduce hybrid near…

信息论 · 计算机科学 2025-10-24 Wenli Yuan , Kan Yu , Xiaowu Liu , Kaixuan Li , Qixun Zhang , Zhiyong Feng

We propose a general method to train a single convolutional neural network which is capable of switching image resolutions at inference. Thus the running speed can be selected to meet various computational resource limits. Networks trained…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Yikai Wang , Fuchun Sun , Duo Li , Anbang Yao

Computational models of vision have traditionally been developed in a bottom-up fashion, by hierarchically composing a series of straightforward operations - i.e. convolution and pooling - with the aim of emulating simple and complex cells…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Simone Azeglio , Simone Poetto , Luca Savant Aira , Marco Nurisso

We consider multi-antenna wireless systems aided by large intelligent surfaces (LIS). LIS presents a new physical layer technology for improving coverage and energy efficiency by intelligently controlling the propagation environment. In…

信号处理 · 电气工程与系统科学 2020-11-17 Neel Kanth Kundu , Matthew R. McKay

MRI is an inherently slow process, which leads to long scan time for high-resolution imaging. The speed of acquisition can be increased by ignoring parts of the data (undersampling). Consequently, this leads to the degradation of image…

图像与视频处理 · 电气工程与系统科学 2022-02-22 Soumick Chatterjee , Mario Breitkopf , Chompunuch Sarasaen , Hadya Yassin , Georg Rose , Andreas Nürnberger , Oliver Speck

Recently, attention-based encoder-decoder (AED) end-to-end (E2E) models have drawn more and more attention in the field of automatic speech recognition (ASR). AED models, however, still have drawbacks when deploying in commercial…

声音 · 计算机科学 2021-04-22 Zhichao Wang , Wenwen Yang , Pan Zhou , Wei Chen

This paper proposes ReBNet, an end-to-end framework for training reconfigurable binary neural networks on software and developing efficient accelerators for execution on FPGA. Binary neural networks offer an intriguing opportunity for…

机器学习 · 计算机科学 2018-03-29 Mohammad Ghasemzadeh , Mohammad Samragh , Farinaz Koushanfar

Recent research has focused on reconfigurable intelligent surface (RIS)-assisted cell-free systems with the goal of enhancing coverage and lowering the cost of cell-free networks. However, current research makes the assumption that the…

信号处理 · 电气工程与系统科学 2022-07-29 Songjie Yang , Chenfei Xie , Mingwei Wang , Zhongpei Zhang

It is well known that featuremap attention and multi-path representation are important for visual recognition. In this paper, we present a modularized architecture, which applies the channel-wise attention on different network branches to…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Hang Zhang , Chongruo Wu , Zhongyue Zhang , Yi Zhu , Haibin Lin , Zhi Zhang , Yue Sun , Tong He , Jonas Mueller , R. Manmatha , Mu Li , Alexander Smola

To reduce channel acquisition overhead, spatial, time, and frequency-domain channel extrapolation techniques have been widely studied. In this paper, we propose a novel deep learning-based Position-domain Channel Extrapolation framework…

信息论 · 计算机科学 2025-07-25 Jiajia Guo , Chao-Kai Wen , Xiao Li , Shi Jin

Deep Neural Networks (DNNs) are the de facto algorithm for tackling cognitive tasks in real-world applications such as speech recognition and natural language processing. DNN inference comprises numerous dot product operations between…

硬件体系结构 · 计算机科学 2023-11-20 Nitesh Narayana GS , Marc Ordoñez , Lokananda Hari , Franyell Silfa , Antonio González

Uniform-precision neural network quantization has gained popularity since it simplifies densely packed arithmetic unit for high computing capability. However, it ignores heterogeneous sensitivity to the impact of quantization errors across…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Seongmin Park , Beomseok Kwon , Jieun Lim , Kyuyoung Sim , Tae-Ho Kim , Jungwook Choi

Doubly-selective channel estimation represents a key element in ensuring communication reliability in wireless systems. Due to the impact of multi-path propagation and Doppler interference in dynamic environments, doubly-selective channel…

信息论 · 计算机科学 2023-05-02 Abdul Karim Gizzini , Marwa Chafii

Recurrent neural networks (RNNs) are widely used in computational neuroscience and machine learning applications. In an RNN, each neuron computes its output as a nonlinear function of its integrated input. While the importance of RNNs,…

神经元与认知 · 定量生物学 2012-07-10 Sebastian Bitzer , Stefan J. Kiebel

Reconfigurable intelligent surfaces (RISs) are eminently suitable for improving the reliability of wireless communications by jointly designing the active beamforming at the base station (BS) and the passive beamforming at the RIS.…

信息论 · 计算机科学 2025-01-23 Qingchao Li , Mohammed El-Hajjar , Ibrahim Hemadeh , Arman Shojaeifard , Lajos Hanzo