activity
20162023
most citedTernGrad: Ternary Gradients to Reduce Communication in Distributed Deep Learning

661 citations · 2.1k across the 57 of their papers we have counts for

collaborators

57 papers

cs.LG2023★ 21 cited

OpenOOD v1.5: Enhanced Benchmark for Out-of-Distribution Detection

Jingyang Zhang, Jingkang Yang, Pengyun Wang +9

Out-of-Distribution (OOD) detection is critical for the reliable operation of open-world intelligent systems. Despite the emergence of an increasing number of OOD detection methods…

cs.CV2023

SIO: Synthetic In-Distribution Data Benefits Out-of-Distribution Detection

Jingyang Zhang, Nathan Inkawhich, Randolph Linderman +3

Building up reliable Out-of-Distribution (OOD) detectors is challenging, often requiring the use of OOD data during training. In this work, we develop a data-driven approach which…

cs.CV2022

PIDS: Joint Point Interaction-Dimension Search for 3D Point Cloud

Tunhou Zhang, Mingyuan Ma, Feng Yan +2

The interaction and dimension of points are two important axes in designing point operators to serve hierarchical 3D models. Yet, these two axes are heterogeneous and challenging t…

cs.CV2022

Federated Unsupervised Visual Representation Learning via Exploiting General Content and Personal Style

Yuewei Yang, Jingwei Sun, Ang Li +2

Discriminative unsupervised learning methods such as contrastive learning have demonstrated the ability to learn generalized visual representations on centralized data. It is nonet…

cs.LG2022★ 3 cited

Fine-grain Inference on Out-of-Distribution Data with Hierarchical Classification

Randolph Linderman, Jingyang Zhang, Nathan Inkawhich +2

Machine learning methods must be trusted to make appropriate decisions in real-world environments, even when faced with out-of-distribution (OOD) samples. Many current approaches s…

cs.LG2022★ 13 cited

Fed-CBS: A Heterogeneity-Aware Client Sampling Mechanism for Federated Learning via Class-Imbalance Reduction

Jianyi Zhang, Ang Li, Minxue Tang +6

Due to limited communication capacities of edge devices, most existing federated learning (FL) methods randomly select only a subset of devices to participate in training for each…

cs.CV2022★ 2 cited

Tunable Hybrid Proposal Networks for the Open World

Matthew Inkawhich, Nathan Inkawhich, Hai Li +1

Current state-of-the-art object proposal networks are trained with a closed-world assumption, meaning they learn to only detect objects of the training classes. These models fail t…

cs.IR2022★ 18 cited

NASRec: Weight Sharing Neural Architecture Search for Recommender Systems

Tunhou Zhang, Dehua Cheng, Yuchen He +7

The rise of deep neural networks offers new opportunities in optimizing recommender systems. However, optimizing recommender systems using deep neural networks requires delicate ar…

cs.LG2022

Privacy Leakage of Adversarial Training Models in Federated Learning Systems

Jingyang Zhang, Yiran Chen, Hai Li

Adversarial Training (AT) is crucial for obtaining deep neural networks that are robust to adversarial attacks, yet recent works found that it could also make models more vulnerabl…

cs.LG2021★ 15 cited

FL-WBC: Enhancing Robustness against Model Poisoning Attacks in Federated Learning from a Client Perspective

Jingwei Sun, Ang Li, Louis DiValentin +3

Federated learning (FL) is a popular distributed learning framework that trains a global model through iterative communications between a central server and edge devices. Recent wo…

cs.LG2021★ 1 cited

Mixture Outlier Exposure: Towards Out-of-Distribution Detection in Fine-grained Environments

Jingyang Zhang, Nathan Inkawhich, Randolph Linderman +2

Many real-world scenarios in which DNN-based recognition systems are deployed have inherently fine-grained attributes (e.g., bird-species recognition, medical image classification)…

cs.LG2021

Can Targeted Adversarial Examples Transfer When the Source and Target Models Have No Label Space Overlap?

Nathan Inkawhich, Kevin J Liang, Jingyang Zhang +3

We design blackbox transfer-based targeted adversarial attacks for an environment where the attacker's source model and the target blackbox model may have disjoint label spaces and…

cs.CV2021

The Untapped Potential of Off-the-Shelf Convolutional Neural Networks

Matthew Inkawhich, Nathan Inkawhich, Eric Davis +2

Over recent years, a myriad of novel convolutional network architectures have been developed to advance state-of-the-art performance on challenging recognition tasks. As computatio…

cs.LG2021★ 6 cited

FedCor: Correlation-Based Active Client Selection Strategy for Heterogeneous Federated Learning

Minxue Tang, Xuefei Ning, Yitu Wang +4

Client-wise data heterogeneity is one of the major issues that hinder effective training in federated learning (FL). Since the data distribution on each client may vary dramaticall…

cs.LG2021★ 4 cited

BSQ: Exploring Bit-Level Sparsity for Mixed-Precision Neural Network Quantization

Huanrui Yang, Lin Duan, Yiran Chen +1

Mixed-precision quantization can potentially achieve the optimal tradeoff between performance and compression rate of deep neural networks, and thus, have been widely investigated.…

cs.CR2021★ 1 cited

On Provable Backdoor Defense in Collaborative Learning

Ximing Qiao, Yuhua Bai, Siping Hu +3

As collaborative learning allows joint training of a model using multiple sources of data, the security problem has been a central concern. Malicious users can upload poisoned data…

cs.NI2021★ 3 cited

Hermes: Decentralized Dynamic Spectrum Access System for Massive Devices Deployment in 5G

Zhihui Gao, Ang Li, Yunfan Gao +2

With the incoming 5G network, the ubiquitous Internet of Things (IoT) devices can benefit our daily life, such as smart cameras, drones, etc. With the introduction of the millimete…

cs.LG2020★ 34 cited

GraphFL: A Federated Learning Framework for Semi-Supervised Node Classification on Graphs

Binghui Wang, Ang Li, Hai Li +1

Graph-based semi-supervised node classification (GraphSSC) has wide applications, ranging from networking and security to data mining and machine learning, etc. However, existing c…

cs.CV2020★ 6 cited

ScaleNAS: One-Shot Learning of Scale-Aware Representations for Visual Recognition

Hsin-Pai Cheng, Feng Liang, Meng Li +5

Scale variance among different sizes of body parts and objects is a challenging problem for visual recognition tasks. Existing works usually design dedicated backbone or apply Neur…

cs.CR2020

Reinforcement Learning-based Black-Box Evasion Attacks to Link Prediction in Dynamic Graphs

Houxiang Fan, Binghui Wang, Pan Zhou +6

Link prediction in dynamic graphs (LPDG) is an important research problem that has diverse applications such as online recommendations, studies on disease contagion, organizational…

cs.CR2020

Efficient, Direct, and Restricted Black-Box Graph Evasion Attacks to Any-Layer Graph Neural Networks via Influence Function

Binghui Wang, Tianxiang Zhou, Minhua Lin +5

Graph neural network (GNN), the mainstream method to learn on graph data, is vulnerable to graph evasion attacks, where an attacker slightly perturbing the graph structure can fool…

cs.AI2020★ 10 cited

NASGEM: Neural Architecture Search via Graph Embedding Method

Hsin-Pai Cheng, Tunhou Zhang, Yixing Zhang +7

Neural Architecture Search (NAS) automates and prospers the design of neural networks. Estimator-based NAS has been proposed recently to model the relationship between architecture…

cs.CV2020★ 8 cited

PENNI: Pruned Kernel Sharing for Efficient CNN Inference

Shiyu Li, Edward Hanson, Hai Li +1

Although state-of-the-art (SOTA) CNNs achieve outstanding performance on various tasks, their high computation demand and massive number of parameters make it difficult to deploy t…

cs.CV2020★ 4 cited

Defending against GAN-based Deepfake Attacks via Transformation-aware Adversarial Faces

Chaofei Yang, Lei Ding, Yiran Chen +1

Deepfake represents a category of face-swapping attacks that leverage machine learning models such as autoencoders or generative adversarial networks. Although the concept of the f…