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Cross-modality magnetic resonance (MR) image synthesis can be used to generate missing modalities from given ones. Existing (supervised learning) methods often require a large number of paired multi-modal data to train an effective…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Yonghao Li , Tao Zhou , Kelei He , Yi Zhou , Dinggang Shen

In this paper, a novel joint design of beamforming and power allocation is proposed for a multi-cell multiuser multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) network. In this network, base stations (BSs) adopt…

信息论 · 计算机科学 2018-06-13 Xiaofang Sun , Nan Yang , Shihao Yan , Zhiguo Ding , Derrick Wing Kwan Ng , Chao Shen , Zhangdui Zhong

In ultrasound (US) imaging, individual channel RF measurements are back-propagated and accumulated to form an image after applying specific delays. While this time reversal is usually implemented using a hardware- or software-based…

图像与视频处理 · 电气工程与系统科学 2019-07-17 Shujaat Khan , Jaeyoung Huh , Jong Chul Ye

Deep learning is envisioned to play a key role in the design of future wireless receivers. A popular approach to design learning-aided receivers combines deep neural networks (DNNs) with traditional model-based receiver algorithms,…

信息论 · 计算机科学 2024-10-22 Tomer Raviv , Sangwoo Park , Osvaldo Simeone , Nir Shlezinger

Recent studies have demonstrated that incorporating auxiliary information, such as speaker voiceprint or visual cues, can substantially improve Speech Enhancement (SE) performance. However, single-channel methods often yield suboptimal…

音频与语音处理 · 电气工程与系统科学 2026-03-06 Chihyun Liu , Jiaxuan Fan , Mingtung Sun , Michael Anthony , Mingsian R. Bai , Yu Tsao

We present a beamforming algorithm for multiuser wideband millimeter wave (mmWave) communication systems where one access point uses hybrid analog/digital beamforming while multiple user stations have phased-arrays with a single RF chain.…

信号处理 · 电气工程与系统科学 2019-05-13 Carlos A. Viteri-Mera , Fernando L. Teixeira

Semi-supervised learning algorithms reduce the high cost of acquiring labeled training data by using both labeled and unlabeled data during learning. Deep Convolutional Networks (DCNs) have achieved great success in supervised tasks and as…

机器学习 · 统计学 2016-12-07 Tan Nguyen , Wanjia Liu , Ethan Perez , Richard G. Baraniuk , Ankit B. Patel

From higher computational efficiency to enabling the discovery of novel and complex structures, deep learning has emerged as a powerful framework for the design and optimization of nanophotonic circuits and components. However, both…

机器学习 · 计算机科学 2022-09-13 Christopher Yeung , Benjamin Pham , Zihan Zhang , Katherine T. Fountaine , Aaswath P. Raman

Deep neural networks need a big amount of training data, while in the real world there is a scarcity of data available for training purposes. To resolve this issue unsupervised methods are used for training with limited data. In this…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Sayed Hashim , Muhammad Ali

Accurate and efficient estimation of the high dimensional channels is one of the critical challenges for practical applications of massive multiple-input multiple-output (MIMO). In the context of hybrid analog-digital (HAD) transceivers,…

信息论 · 计算机科学 2022-02-08 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

The development of mobile and on the edge applications that embed deep convolutional neural models has the potential to revolutionise biomedicine. However, most deep learning models require computational resources that are not available in…

计算机视觉与模式识别 · 计算机科学 2022-05-20 Adrián Inés , Andrés Díaz-Pinto , César Domínguez , Jónathan Heras , Eloy Mata , Vico Pascual

Deep learning, accounting for the use of an elaborate neural network, has recently been developed as an efficient and powerful tool to solve diverse problems in physics and other sciences. In the present work, we propose a novel learning…

计算物理 · 物理学 2021-11-02 Shurui Li , Jianqin Xu , Jing Qian , Weiping Zhang

Accurate beam prediction is essential for mitigating signalling overhead and latency in integrated sensing and communication-enabled massive multi-input multi-output systems. With the aid of multimodal learning, the prediction accuracy can…

信号处理 · 电气工程与系统科学 2026-05-15 Zijian Zheng , Wenqiang Yi , Hyundong Shin , Arumugam Nallanathan

The hyperspectral image (HSI) unmixing task is essentially an inverse problem, which is commonly solved by optimization algorithms under a predefined (non-)linear mixture model. Although these optimization algorithms show impressive…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Chao Zhou

The amalgamation of cell-free networks and reconfigurable intelligent surface (RIS) has become a prospective technique for future sixth-generation wireless communication systems. In this paper, we focus on the precoding and beamforming…

信息论 · 计算机科学 2023-11-23 Peng Zhang , Jiayi Zhang , Huahua Xiao , Xiaodan Zhang , Derrick Wing Kwan Ng , Bo Ai

The emergence of new wireless technologies together with the requirement of massive connectivity results in several technical issues such as excessive interference, high computational demand for signal processing, and lengthy processing…

信号处理 · 电气工程与系统科学 2021-10-25 Firas Fredj , Yasser Al-Eryani , Setareh Maghsudi , Mohamed Akrout , Ekram Hossain

Recently, deep learning has been proposed as a potential technique for improving the physical layer performance of radio receivers. Despite the large amount of encouraging results, most works have not considered spatial multiplexing in the…

信号处理 · 电气工程与系统科学 2020-11-02 Dani Korpi , Mikko Honkala , Janne M. J. Huttunen , Vesa Starck

In this paper, we propose a multi-channel network for simultaneous speech dereverberation, enhancement and separation (DESNet). To enable gradient propagation and joint optimization, we adopt the attentional selection mechanism of the…

声音 · 计算机科学 2020-11-17 Yihui Fu , Jian Wu , Yanxin Hu , Mengtao Xing , Lei Xie

We propose an adaptive learning-based framework for uplink massive multiple-input multiple-output (MIMO) systems with one-bit analog-to-digital converters. Learning-based detection does not need to estimate channels, which overcomes a key…

信号处理 · 电气工程与系统科学 2022-11-15 Yunseong Cho , Jinseok Choi , Brian L. Evans

Reconfigurable intelligent surface (RIS) has become a promising technology to improve wireless communication in recent years. It steers the incident signals to create a favorable propagation environment by controlling the reconfigurable…

信息论 · 计算机科学 2021-11-15 Wangyang Xu , Lu Gan , Chongwen Huang
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