activity
20192026
most citedVideo Super Resolution Based on Deep Learning: A Comprehensive Survey

40 citations · 97 across the 17 of their papers we have counts for

collaborators

18 papers

cs.CV2026

The Eleventh NTIRE 2026 Efficient Super-Resolution Challenge Report

Bin Ren, Hang Guo, Yan Shu +60

This paper reviews the NTIRE 2026 challenge on efficient single-image super-resolution with a focus on the proposed solutions and results. The aim of this challenge is to devise a…

cs.LG2026

FedBCD:Communication-Efficient Accelerated Block Coordinate Gradient Descent for Federated Learning

Junkang Liu, Fanhua Shang, Yuanyuan Liu +3

Although Federated Learning has been widely studied in recent years, there are still high overhead expenses in each communication round for large-scale models such as Vision Transf…

cs.LG2026

FedNSAM:Consistency of Local and Global Flatness for Federated Learning

Junkang Liu, Fanhua Shang, Yuxuan Tian +2

In federated learning (FL), multi-step local updates and data heterogeneity usually lead to sharper global minima, which degrades the performance of the global model. Popular FL al…

cs.LG2026

Taming Preconditioner Drift: Unlocking the Potential of Second-Order Optimizers for Federated Learning on Non-IID Data

Junkang Liu, Fanhua Shang, Hongying Liu +3

Second-order optimizers can significantly accelerate large-scale training, yet their naive federated variants are often unstable or even diverge on non-IID data. We show that a key…

cs.LG2025★ 1 cited

DP-FedPGN: Finding Global Flat Minima for Differentially Private Federated Learning via Penalizing Gradient Norm

Junkang Liu, Yuxuan Tian, Fanhua Shang +4

To prevent inference attacks in Federated Learning (FL) and reduce the leakage of sensitive information, Client-level Differentially Private Federated Learning (CL-DPFL) is widely…

cs.LG2025

FedMuon: Accelerating Federated Learning with Matrix Orthogonalization

Junkang Liu, Fanhua Shang, Junchao Zhou +3

The core bottleneck of Federated Learning (FL) lies in the communication rounds. That is, how to achieve more effective local updates is crucial for reducing communication rounds.…

cs.LG2025

FedAdamW: A Communication-Efficient Optimizer with Convergence and Generalization Guarantees for Federated Large Models

Junkang Liu, Fanhua Shang, Hongying Liu +5

AdamW has become one of the most effective optimizers for training large-scale models. We have also observed its effectiveness in the context of federated learning (FL). However, d…

cs.LG2025

FedSWA: Improving Generalization in Federated Learning with Highly Heterogeneous Data via Momentum-Based Stochastic Controlled Weight Averaging

Liu junkang, Yuanyuan Liu, Fanhua Shang +3

For federated learning (FL) algorithms such as FedSAM, their generalization capability is crucial for real-word applications. In this paper, we revisit the generalization problem i…

cs.CV2024

Completed Feature Disentanglement Learning for Multimodal MRIs Analysis

Tianling Liu, Hongying Liu, Fanhua Shang +3

Multimodal MRIs play a crucial role in clinical diagnosis and treatment. Feature disentanglement (FD)-based methods, aiming at learning superior feature representations for multimo…

cs.CV2023★ 30 cited

Improving the Transferability of Adversarial Examples with Arbitrary Style Transfer

Zhijin Ge, Fanhua Shang, Hongying Liu +4

Deep neural networks are vulnerable to adversarial examples crafted by applying human-imperceptible perturbations on clean inputs. Although many attack methods can achieve high suc…

cs.CV2023★ 13 cited

Boosting Adversarial Transferability by Achieving Flat Local Maxima

Zhijin Ge, Hongying Liu, Xiaosen Wang +2

Transfer-based attack adopts the adversarial examples generated on the surrogate model to attack various models, making it applicable in the physical world and attracting increasin…

cs.LG2021★ 2 cited

Behavior Mimics Distribution: Combining Individual and Group Behaviors for Federated Learning

Hua Huang, Fanhua Shang, Yuanyuan Liu +1

Federated Learning (FL) has become an active and promising distributed machine learning paradigm. As a result of statistical heterogeneity, recent studies clearly show that the per…

cs.LG2021★ 1 cited

Learned Interpretable Residual Extragradient ISTA for Sparse Coding

Lin Kong, Wei Sun, Fanhua Shang +2

Recently, the study on learned iterative shrinkage thresholding algorithm (LISTA) has attracted increasing attentions. A large number of experiments as well as some theories have p…

cs.CV2021

Quantized Neural Networks via {-1, +1} Encoding Decomposition and Acceleration

Qigong Sun, Xiufang Li, Fanhua Shang +4

The training of deep neural networks (DNNs) always requires intensive resources for both computation and data storage. Thus, DNNs cannot be efficiently applied to mobile phones and…

cs.CV2021

Large Motion Video Super-Resolution with Dual Subnet and Multi-Stage Communicated Upsampling

Hongying Liu, Peng Zhao, Zhubo Ruan +2

Video super-resolution (VSR) aims at restoring a video in low-resolution (LR) and improving it to higher-resolution (HR). Due to the characteristics of video tasks, it is very impo…

cs.LG2020★ 10 cited

Boosting Gradient for White-Box Adversarial Attacks

Hongying Liu, Zhenyu Zhou, Fanhua Shang +3

Deep neural networks (DNNs) are playing key roles in various artificial intelligence applications such as image classification and object recognition. However, a growing number of…

cs.CV2020★ 40 cited

Video Super Resolution Based on Deep Learning: A Comprehensive Survey

Hongying Liu, Zhubo Ruan, Peng Zhao +5

In recent years, deep learning has made great progress in many fields such as image recognition, natural language processing, speech recognition and video super-resolution. In this…

cs.CV2019

signADAM: Learning Confidences for Deep Neural Networks

Dong Wang, Yicheng Liu, Wenwo Tang +4

In this paper, we propose a new first-order gradient-based algorithm to train deep neural networks. We first introduce the sign operation of stochastic gradients (as in sign-based…