Search Results for author: Yong Zhou

Found 52 papers, 10 papers with code

Satellite Federated Edge Learning: Architecture Design and Convergence Analysis

no code implementations2 Apr 2024 Yuanming Shi, Li Zeng, Jingyang Zhu, Yong Zhou, Chunxiao Jiang, Khaled B. Letaief

Although promising, the dynamics of LEO networks, characterized by the high mobility of satellites and short ground-to-satellite link (GSL) duration, pose unique challenges for FEEL.

Learning from Reduced Labels for Long-Tailed Data

no code implementations25 Mar 2024 Meng Wei, Zhongnian Li, Yong Zhou, Xinzheng Xu

Long-tailed data is prevalent in real-world classification tasks and heavily relies on supervised information, which makes the annotation process exceptionally labor-intensive and time-consuming.

Weakly-supervised Learning

Determined Multi-Label Learning via Similarity-Based Prompt

no code implementations25 Mar 2024 Meng Wei, Zhongnian Li, Peng Ying, Yong Zhou, Xinzheng Xu

In this novel labeling setting, each training instance is associated with a \textit{determined label} (either "Yes" or "No"), which indicates whether the training instance contains the provided class label.

Multi-Label Classification Multi-Label Learning

Dual Encoder: Exploiting the Potential of Syntactic and Semantic for Aspect Sentiment Triplet Extraction

no code implementations23 Feb 2024 Xiaowei Zhao, Yong Zhou, Xiujuan Xu

In this work, we propose a \emph{Dual Encoder: Exploiting the potential of Syntactic and Semantic} model (D2E2S), which maximizes the syntactic and semantic relationships among words.

Aspect Sentiment Triplet Extraction

Extensible Multi-Granularity Fusion Network for Aspect-based Sentiment Analysis

1 code implementation12 Feb 2024 Xiaowei Zhao, Yong Zhou, Xiujuan Xu, Yu Liu

This paper presents the Extensible Multi-Granularity Fusion (EMGF) network, which integrates information from dependency and constituent syntactic, attention semantic , and external knowledge graphs.

Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +1

A Comprehensive Dataset and Automated Pipeline for Nailfold Capillary Analysis

1 code implementation10 Dec 2023 Linxi Zhao, Jiankai Tang, Dongyu Chen, Xiaohong Liu, Yong Zhou, Yuanchun Shi, Guangyu Wang, Yuntao Wang

In this study, we present a pioneering effort in constructing a comprehensive nailfold capillary dataset-321 images, 219 videos from 68 subjects, with clinic reports and expert annotations-that serves as a crucial resource for training deep-learning models.

Efficient Decoder for End-to-End Oriented Object Detection in Remote Sensing Images

no code implementations29 Nov 2023 Jiaqi Zhao, Zeyu Ding, Yong Zhou, Hancheng Zhu, Wenliang Du, Rui Yao, Abdulmotaleb El Saddik

To address these limitations, we propose an end-to-end oriented detector equipped with an efficient decoder, which incorporates two technologies, Rotated RoI attention (RRoI attention) and Selective Distinct Queries (SDQ).

object-detection Object Detection +1

Over-the-Air Federated Learning and Optimization

no code implementations16 Oct 2023 Jingyang Zhu, Yuanming Shi, Yong Zhou, Chunxiao Jiang, Wei Chen, Khaled B. Letaief

We first provide a comprehensive study on the convergence of AirComp-based FedAvg (AirFedAvg) algorithms under both strongly convex and non-convex settings with constant and diminishing learning rates in the presence of data heterogeneity.

Federated Learning

Towards Scalable Wireless Federated Learning: Challenges and Solutions

no code implementations8 Oct 2023 Yong Zhou, Yuanming Shi, Haibo Zhou, Jingjing Wang, Liqun Fu, Yang Yang

The explosive growth of smart devices (e. g., mobile phones, vehicles, drones) with sensing, communication, and computation capabilities gives rise to an unprecedented amount of data.

Federated Learning Privacy Preserving

CT-Net: Arbitrary-Shaped Text Detection via Contour Transformer

no code implementations25 Jul 2023 Zhiwen Shao, Yuchen Su, Yong Zhou, Fanrong Meng, Hancheng Zhu, Bing Liu, Rui Yao

Contour based scene text detection methods have rapidly developed recently, but still suffer from inaccurate frontend contour initialization, multi-stage error accumulation, or deficient local information aggregation.

Scene Text Detection Text Detection

Integrated Sensing-Communication-Computation for Edge Artificial Intelligence

no code implementations1 Jun 2023 Dingzhu Wen, Xiaoyang Li, Yong Zhou, Yuanming Shi, Sheng Wu, Chunxiao Jiang

Edge artificial intelligence (AI) has been a promising solution towards 6G to empower a series of advanced techniques such as digital twins, holographic projection, semantic communications, and auto-driving, for achieving intelligence of everything.

Vertical Federated Learning over Cloud-RAN: Convergence Analysis and System Optimization

no code implementations4 May 2023 Yuanming Shi, Shuhao Xia, Yong Zhou, Yijie Mao, Chunxiao Jiang, Meixia Tao

To improve the learning performance, we establish a system optimization framework by joint transceiver and fronthaul quantization design, for which successive convex approximation and alternate convex search based system optimization algorithms are developed.

Quantization Vertical Federated Learning

Learning from Stochastic Labels

no code implementations1 Feb 2023 Meng Wei, Zhongnian Li, Yong Zhou, Qiaoyu Guo, Xinzheng Xu

Annotating multi-class instances is a crucial task in the field of machine learning.

Machine Learning for Large-Scale Optimization in 6G Wireless Networks

no code implementations3 Jan 2023 Yandong Shi, Lixiang Lian, Yuanming Shi, Zixin Wang, Yong Zhou, Liqun Fu, Lin Bai, Jun Zhang, Wei zhang

The sixth generation (6G) wireless systems are envisioned to enable the paradigm shift from "connected things" to "connected intelligence", featured by ultra high density, large-scale, dynamic heterogeneity, diversified functional requirements and machine learning capabilities, which leads to a growing need for highly efficient intelligent algorithms.

Computational Efficiency Distributed Optimization +2

Proximal Gradient-Based Unfolding for Massive Random Access in IoT Networks

no code implementations4 Dec 2022 Yinan Zou, Yong Zhou, Xu Chen, Yonina C. Eldar

Simulations show that the proposed unfolding neural network achieves better recovery performance, convergence rate, and adaptivity than current baselines.

Action Detection Activity Detection +1

Federated Learning via Unmanned Aerial Vehicle

no code implementations20 Oct 2022 Min Fu, Yuanming Shi, Yong Zhou

To enable communication-efficient federated learning (FL), this paper studies an unmanned aerial vehicle (UAV)-enabled FL system, where the UAV coordinates distributed ground devices for a shared model training.

Federated Learning Scheduling

Over-the-Air Computation: Foundations, Technologies, and Applications

no code implementations19 Oct 2022 Zhibin Wang, Yapeng Zhao, Yong Zhou, Yuanming Shi, Chunxiao Jiang, Khaled B. Letaief

The rapid advancement of artificial intelligence technologies has given rise to diversified intelligent services, which place unprecedented demands on massive connectivity and gigantic data aggregation.

Class-Imbalanced Complementary-Label Learning via Weighted Loss

no code implementations28 Sep 2022 Meng Wei, Yong Zhou, Zhongnian Li, Xinzheng Xu

In such scenarios, the number of samples in one class is considerably lower than in other classes, which consequently leads to a decline in the accuracy of predictions.

Multi-class Classification Weakly Supervised Classification

Trustworthy Federated Learning via Blockchain

no code implementations13 Aug 2022 Zhanpeng Yang, Yuanming Shi, Yong Zhou, Zixin Wang, Kai Yang

In this paper, we shall propose a decentralized blockchain based FL (B-FL) architecture by using a secure global aggregation algorithm to resist malicious devices, and deploying practical Byzantine fault tolerance consensus protocol with high effectiveness and low energy consumption among multiple edge servers to prevent model tampering from the malicious server.

Autonomous Driving Federated Learning +3

TextDCT: Arbitrary-Shaped Text Detection via Discrete Cosine Transform Mask

no code implementations27 Jun 2022 Yuchen Su, Zhiwen Shao, Yong Zhou, Fanrong Meng, Hancheng Zhu, Bing Liu, Rui Yao

Arbitrary-shaped scene text detection is a challenging task due to the variety of text changes in font, size, color, and orientation.

Scene Text Detection Text Detection

Interference Management for Over-the-Air Federated Learning in Multi-Cell Wireless Networks

no code implementations6 Jun 2022 Zhibin Wang, Yong Zhou, Yuanming Shi, Weihua Zhuang

We characterize the Pareto boundary of the error-induced gap region to quantify the learning performance trade-off among different FL tasks, based on which we formulate an optimization problem to minimize the sum of error-induced gaps in all cells.

Federated Learning Management

DDAC-SpAM: A Distributed Algorithm for Fitting High-dimensional Sparse Additive Models with Feature Division and Decorrelation

no code implementations16 May 2022 Yifan He, Ruiyang Wu, Yong Zhou, Yang Feng

The effectiveness and efficiency of the proposed algorithm are demonstrated through theoretical analysis and empirical results on both synthetic and real data.

Additive models feature selection +1

Gan-Based Joint Activity Detection and Channel Estimation For Grant-free Random Access

1 code implementation4 Apr 2022 Shuang Liang, Yinan Zou, Yong Zhou

Joint activity detection and channel estimation (JADCE) for grant-free random access is a critical issue that needs to be addressed to support massive connectivity in IoT networks.

Action Detection Activity Detection +1

Differentially Private Federated Learning via Reconfigurable Intelligent Surface

1 code implementation31 Mar 2022 Yuhan Yang, Yong Zhou, Youlong Wu, Yuanming Shi

Federated learning (FL), as a disruptive machine learning paradigm, enables the collaborative training of a global model over decentralized local datasets without sharing them.

Drug Discovery Federated Learning

Over-the-Air Federated Learning via Second-Order Optimization

1 code implementation29 Mar 2022 Peng Yang, Yuning Jiang, Ting Wang, Yong Zhou, Yuanming Shi, Colin N. Jones

To address this issue, in this paper, we instead propose a novel over-the-air second-order federated optimization algorithm to simultaneously reduce the communication rounds and enable low-latency global model aggregation.

Federated Learning

Knowledge-Guided Learning for Transceiver Design in Over-the-Air Federated Learning

no code implementations28 Mar 2022 Yinan Zou, Zixin Wang, Xu Chen, Haibo Zhou, Yong Zhou

Based on the convergence analysis, we formulate an optimization problem to minimize the upper bound to enhance the learning performance, followed by proposing an alternating optimization algorithm to facilitate the optimal transceiver design for AirComp-assisted FL.

Federated Learning

Communication-Efficient Stochastic Zeroth-Order Optimization for Federated Learning

1 code implementation24 Jan 2022 Wenzhi Fang, Ziyi Yu, Yuning Jiang, Yuanming Shi, Colin N. Jones, Yong Zhou

Under non-convex settings, we derive the convergence performance of the FedZO algorithm on non-independent and identically distributed data and characterize the impact of the numbers of local iterates and participating edge devices on the convergence.

Federated Learning Second-order methods

Show, Deconfound and Tell: Image Captioning With Causal Inference

1 code implementation CVPR 2022 Bing Liu, Dong Wang, Xu Yang, Yong Zhou, Rui Yao, Zhiwen Shao, Jiaqi Zhao

In the encoding stage, the IOD is able to disentangle the region-based visual features by deconfounding the visual confounder.

Causal Inference Image Captioning

Pairwise Learning for Neural Link Prediction

2 code implementations6 Dec 2021 Zhitao Wang, Yong Zhou, Litao Hong, Yuanhang Zou, Hanjing Su, Shouzhi Chen

The framework treats link prediction as a pairwise learning to rank problem and consists of four main components, i. e., neighborhood encoder, link predictor, negative sampler and objective function.

Learning-To-Rank Link Prediction +2

Learning Proximal Operator Methods for Massive Connectivity in IoT Networks

no code implementations6 Dec 2021 Yinan Zou, Yong Zhou, Yuanming Shi, Xu Chen

To mitigate all the aforementioned limitations, we in this paper develop an effective unfolding neural network framework built upon the proximal operator method to tackle the JADCE problem in IoT networks, where the base station is equipped with multiple antennas.

Action Detection Activity Detection

Sparse Signal Processing for Massive Connectivity via Mixed-Integer Programming

no code implementations20 Aug 2021 Shuang Liang, Yuanming Shi, Yong Zhou

Although an enhanced estimation performance in terms of the mean squared error (MSE) can be achieved, the weighted $l_1$-norm minimization algorithm is still a convex relaxation of the original group-sparse matrix estimation problem, yielding a suboptimal solution.

Action Detection Activity Detection +1

Over-the-Air Computation via Cloud Radio Access Networks

no code implementations22 Jun 2021 Lukuan Xing, Yong Zhou, Yuanming Shi

Over-the-air computation (AirComp) has recently been recognized as a promising scheme for a fusion center to achieve fast distributed data aggregation in wireless networks via exploiting the superposition property of multiple-access channels.

Quantization

Algorithm Unrolling for Massive Access via Deep Neural Network with Theoretical Guarantee

no code implementations19 Jun 2021 Yandong Shi, Hayoung Choi, Yuanming Shi, Yong Zhou

Moreover, the proposed algorithm unrolling approach inherits the structure and domain knowledge of the ISTA, thereby maintaining the algorithm robustness, which can handle non-Gaussian preamble sequence matrix in massive access.

Action Detection Activity Detection +2

Over-the-Air Decentralized Federated Learning

no code implementations15 Jun 2021 Yandong Shi, Yong Zhou, Yuanming Shi

In this paper, we consider decentralized federated learning (FL) over wireless networks, where over-the-air computation (AirComp) is adopted to facilitate the local model consensus in a device-to-device (D2D) communication manner.

Federated Learning

UAV Aided Over-the-Air Computation

no code implementations1 Jun 2021 Min Fu, Yong Zhou, Yuanming Shi, Wei Chen, Rui Zhang

Over-the-air computation (AirComp) seamlessly integrates communication and computation by exploiting the waveform superposition property of multiple-access channels.

Optimal Receive Beamforming for Over-the-Air Computation

no code implementations11 May 2021 Wenzhi Fang, Yinan Zou, Hongbin Zhu, Yuanming Shi, Yong Zhou

In this paper, we consider fast wireless data aggregation via over-the-air computation (AirComp) in Internet of Things (IoT) networks, where an access point (AP) with multiple antennas aim to recover the arithmetic mean of sensory data from multiple IoT devices.

Denoising

Over-the-Air Computation via Reconfigurable Intelligent Surface

no code implementations11 May 2021 Wenzhi Fang, Yuning Jiang, Yuanming Shi, Yong Zhou, Wei Chen, Khaled B. Letaief

Over-the-air computation (AirComp) is a disruptive technique for fast wireless data aggregation in Internet of Things (IoT) networks via exploiting the waveform superposition property of multiple-access channels.

UAV-Assisted Over-the-Air Computation

no code implementations25 Jan 2021 Min Fu, Yong Zhou, Yuanming Shi, Ting Wang, Wei Chen

Over-the-air computation (AirComp) provides a promising way to support ultrafast aggregation of distributed data.

Optimize the trajectory of UAV which plays a BS in communication system

A new volatility model: GQARCH-Itô model

no code implementations14 Jan 2021 Huiling Yuan, Yong Zhou, Lu Xu, Yun Lei Sun, Xiang Yu Cui

Volatility asymmetry is a hot topic in high-frequency financial market.

Methodology

Federated Learning via Intelligent Reflecting Surface

no code implementations10 Nov 2020 Zhibin Wang, Jiahang Qiu, Yong Zhou, Yuanming Shi, Liqun Fu, Wei Chen, Khaled B. Lataief

To optimize the learning performance, we formulate an optimization problem that jointly optimizes the device selection, the aggregation beamformer at the base station (BS), and the phase shifts at the IRS to maximize the number of devices participating in the model aggregation of each communication round under certain mean-squared-error (MSE) requirements.

Federated Learning

Fast Convergence Algorithm for Analog Federated Learning

no code implementations30 Oct 2020 Shuhao Xia, Jingyang Zhu, Yuhan Yang, Yong Zhou, Yuanming Shi, Wei Chen

In this paper, we consider federated learning (FL) over a noisy fading multiple access channel (MAC), where an edge server aggregates the local models transmitted by multiple end devices through over-the-air computation (AirComp).

Federated Learning

Reconfigurable Intelligent Surface Enhanced Cognitive Radio Networks

no code implementations22 May 2020 Jinglian He, Kaiqiang Yu, Yong Zhou, Yuanming Shi

The cognitive radio (CR) network is a promising network architecture that meets the requirement of enhancing scarce radio spectrum utilization.

Reconfigurable Intelligent Surface for Interference Alignment in MIMO Device-to-Device Networks

no code implementations14 May 2020 Min Fu, Yong Zhou, Yuanming Shi

In multiple-input multiple-output (MIMO) device-to-device (D2D) networks, interference and rank-deficient channels are the critical bottlenecks for achieving high degrees of freedom (DoFs).

Vehicle Re-Identification Based on Complementary Features

1 code implementation9 May 2020 Cunyuan Gao, Yi Hu, Yi Zhang, Rui Yao, Yong Zhou, Jiaqi Zhao

Top performance in City-Scale Multi-Camera Vehicle Re-Identification demonstrated the advantage of our methods, and we got 5-th place in the vehicle Re-ID track of AIC2020.

Vehicle Re-Identification

Communication-Efficient Edge AI Inference Over Wireless Networks

no code implementations28 Apr 2020 Kai Yang, Yong Zhou, Zhanpeng Yang, Yuanming Shi

Given the fast growth of intelligent devices, it is expected that a large number of high-stake artificial intelligence (AI) applications, e. g., drones, autonomous cars, tactile robots, will be deployed at the edge of wireless networks in the near future.

Distributed Computing Edge-computing +1

Federated Machine Learning for Intelligent IoT via Reconfigurable Intelligent Surface

no code implementations13 Apr 2020 Kai Yang, Yuanming Shi, Yong Zhou, Zhanpeng Yang, Liqun Fu, Wei Chen

Intelligent Internet-of-Things (IoT) will be transformative with the advancement of artificial intelligence and high-dimensional data analysis, shifting from "connected things" to "connected intelligence".

BIG-bench Machine Learning Self-Driving Cars

Facial Action Unit Detection via Adaptive Attention and Relation

no code implementations5 Jan 2020 Zhiwen Shao, Yong Zhou, Jianfei Cai, Hancheng Zhu, Rui Yao

Specifically, we propose an adaptive attention regression network to regress the global attention map of each AU under the constraint of attention predefinition and the guidance of AU detection, which is beneficial for capturing both specified dependencies by landmarks in strongly correlated regions and facial globally distributed dependencies in weakly correlated regions.

Action Unit Detection Facial Action Unit Detection +2

Video Object Segmentation and Tracking: A Survey

no code implementations19 Apr 2019 Rui Yao, Guosheng Lin, Shixiong Xia, Jiaqi Zhao, Yong Zhou

Second, we provide a detailed discussion and overview of the technical characteristics of the different methods.

Autonomous Vehicles Object +7

Chinese Grammatical Error Diagnosis Based on CRF and LSTM-CRF model

no code implementations WS 2018 Yujie Zhou, Yinan Shao, Yong Zhou

When learning Chinese as a foreign language, the learners may have some grammatical errors due to negative migration of their native languages.

Feature Engineering

A novel total variation model based on kernel functions and its application

no code implementations19 Nov 2017 Zhizheng Liang, Lei Zhang, Jin Liu, Yong Zhou

In this novel model, we first map each pixel value of an image into a Hilbert space by using a nonlinear map, and then define a coupled image of an original image in order to construct a kernel function.

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