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In latest years, deep learning has gained a leading role in the pansharpening of multiresolution images. Given the lack of ground truth data, most deep learning-based methods carry out supervised training in a reduced-resolution domain.…

图像与视频处理 · 电气工程与系统科学 2023-07-28 Matteo Ciotola , Giovanni Poggi , Giuseppe Scarpa

Recent work on monaural source separation has shown that performance can be increased by using fully learned filterbanks with short windows. On the other hand it is widely known that, for conventional beamforming techniques, performance…

音频与语音处理 · 电气工程与系统科学 2022-02-22 Samuele Cornell , Manuel Pariente , François Grondin , Stefano Squartini

In this paper, we propose a novel deep unsupervised learning-based approach that jointly optimizes antenna selection and hybrid beamforming to improve the hardware and spectral efficiencies of massive multiple-input-multiple-output (MIMO)…

信号处理 · 电气工程与系统科学 2022-01-24 Zhiyan Liu , Yuwen Yang , Feifei Gao , Ting Zhou , Hongbing Ma

In the recent time deep learning has achieved huge popularity due to its performance in various machine learning algorithms. Deep learning as hierarchical or structured learning attempts to model high level abstractions in data by using a…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Parth Shah , Vishvajit Bakrola , Supriya Pati

A novel electromagnetic (EM) structure termed flexible continuous aperture array (FCAPA) is proposed, which incorporates inherent surface flexibility into typical continuous aperture array (CAPA) systems, thereby enhancing the…

信号处理 · 电气工程与系统科学 2025-11-13 Kuranage Roche Rayan Ranasinghe , Zhaolin Wang , Giuseppe Thadeu Freitas de Abreu , Emil Björnson

In this work, we describe a new approach that uses deep neural networks (DNN) to obtain regularization parameters for solving inverse problems. We consider a supervised learning approach, where a network is trained to approximate the…

数值分析 · 数学 2021-04-15 Babak Maboudi Afkham , Julianne Chung , Matthias Chung

Capsule networks were proposed as an alternative approach to Convolutional Neural Networks (CNNs) for learning object-centric representations, which can be leveraged for improved generalization and sample complexity. Unlike CNNs, capsule…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Fabio De Sousa Ribeiro , Kevin Duarte , Miles Everett , Georgios Leontidis , Mubarak Shah

Deep learning is also known as hierarchical learning, where the learner _learns_ to represent a complicated target function by decomposing it into a sequence of simpler functions to reduce sample and time complexity. This paper formally…

机器学习 · 计算机科学 2023-07-10 Zeyuan Allen-Zhu , Yuanzhi Li

This paper studies the fast adaptive beamforming for the multiuser multiple-input single-output downlink. Existing deep learning-based approaches assume that training and testing channels follow the same distribution which causes task…

信息论 · 计算机科学 2021-09-21 Juping Zhang , Yi Yuan , Gan Zheng , Ioannis Krikidis , Kai-Kit Wong

Deep Neural Networks (DNNs) approaches for the Optimal Power Flow (OPF) problem received considerable attention recently. A key challenge of these approaches lies in ensuring the feasibility of the predicted solutions to physical system…

系统与控制 · 电气工程与系统科学 2020-09-08 Tianyu Zhao , Xiang Pan , Minghua Chen , Andreas Venzke , Steven H. Low

Deep neural networks (DNNs) have remarkably succeeded in various image processing tasks. However, their large size and computational complexity present significant challenges for deploying them in resource-constrained environments. This…

机器学习 · 计算机科学 2025-10-07 José Medina , Amnir Hadachi , Paul Honeine , Abdelaziz Bensrhair

This paper deals with the problem of 3D tracking, i.e., to find dense correspondences in a sequence of time-varying 3D shapes. Despite deep learning approaches have achieved promising performance for pairwise dense 3D shapes matching, it is…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Shuaihang Yuan , Xiang Li , Yi Fang

This paper introduces a deep learning (DL)-based framework for task-based ultrasound (US) beamforming, aiming to enhance clinical outcomes by integrating specific clinical tasks directly into the beamforming process. Task-based beamforming…

图像与视频处理 · 电气工程与系统科学 2025-02-04 Ariel Amar , Ahuva Grubstein , Eli Atar , Keren Peri-Hanania , Nimrod Glazer , Ronnie Rosen , Shlomi Savariego , Yonina C. Eldar

Deep Neural Networks (DNNs) are widely used for visual classification tasks, but their complex computation process and black-box nature hinder decision transparency and interpretability. Class activation maps (CAMs) and recent variants…

It is known that data rates in standard cellular networks are limited due to inter-cell interference. An effective solution of this problem is to use the multi-cell cooperation idea. In Cloud Radio Access Network, which is a candidate…

信息论 · 计算机科学 2021-02-16 Fehmi Emre Kadan , Ali Özgür Yılmaz

Among many unsolved puzzles in theories of Deep Neural Networks (DNNs), there are three most fundamental challenges that highly demand solutions, namely, expressibility, optimisability, and generalisability. Although there have been…

机器学习 · 计算机科学 2018-11-27 Hao Shen

High percentage penetrations of renewable energy generations introduce significant uncertainty into power systems. It requires grid operators to solve alternative current optimal power flow (AC-OPF) problems more frequently for economical…

系统与控制 · 电气工程与系统科学 2022-07-04 Xiang Pan , Minghua Chen , Tianyu Zhao , Steven H. Low

One primary technical challenge in photoacoustic microscopy (PAM) is the necessary compromise between spatial resolution and imaging speed. In this study, we propose a novel application of deep learning principles to reconstruct…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Anthony DiSpirito , Daiwei Li , Tri Vu , Maomao Chen , Dong Zhang , Jianwen Luo , Roarke Horstmeyer , Junjie Yao

Deep neural networks (DNNs) are vulnerable to shortcut learning: rather than learning the intended task, they tend to draw inconclusive relationships between their inputs and outputs. Shortcut learning is ubiquitous among many failure cases…

机器学习 · 计算机科学 2024-08-27 Hadi M. Dolatabadi , Sarah M. Erfani , Christopher Leckie

CANDECOMP/PARAFAC (CP) decomposition is the mostly used model to formulate the received tensor signal in a massive MIMO system, as the receiver generally sums the components from different paths or users. To achieve accurate and low-latency…

信号处理 · 电气工程与系统科学 2024-11-21 Xiao Gong , Wei Chen , Bo Ai , Geert Leus