activity
20172023
most citedLabel-invariant Augmentation for Semi-Supervised Graph Classification

10 citations · 51 across the 19 of their papers we have counts for

collaborators

19 papers

cs.CV2023

Visualizing Transferred Knowledge: An Interpretive Model of Unsupervised Domain Adaptation

Wenxiao Xiao, Zhengming Ding, Hongfu Liu

Many research efforts have been committed to unsupervised domain adaptation (DA) problems that transfer knowledge learned from a labeled source domain to an unlabeled target domain…

cs.CV2023★ 3 cited

Zero-Knowledge Zero-Shot Learning for Novel Visual Category Discovery

Zhaonan Li, Hongfu Liu

Generalized Zero-Shot Learning (GZSL) and Open-Set Recognition (OSR) are two mainstream settings that greatly extend conventional visual object recognition. However, the limitation…

cs.LG2022★ 1 cited

Learning Antidote Data to Individual Unfairness

Peizhao Li, Ethan Xia, Hongfu Liu

Fairness is essential for machine learning systems deployed in high-stake applications. Among all fairness notions, individual fairness, deriving from a consensus that `similar ind…

cs.LG2022★ 2 cited

Robust Fair Clustering: A Novel Fairness Attack and Defense Framework

Anshuman Chhabra, Peizhao Li, Prasant Mohapatra +1

Clustering algorithms are widely used in many societal resource allocation applications, such as loan approvals and candidate recruitment, among others, and hence, biased or unfair…

cs.LG2022★ 1 cited

Contrastive Graph Few-Shot Learning

Chunhui Zhang, Hongfu Liu, Jundong Li +2

Prevailing deep graph learning models often suffer from label sparsity issue. Although many graph few-shot learning (GFL) methods have been developed to avoid performance degradati…

cs.CV2022★ 2 cited

Learnable Visual Words for Interpretable Image Recognition

Wenxiao Xiao, Zhengming Ding, Hongfu Liu

To interpret deep models' predictions, attention-based visual cues are widely used in addressing \textit{why} deep models make such predictions. Beyond that, the current research c…

cs.CV2022★ 10 cited

Label-invariant Augmentation for Semi-Supervised Graph Classification

Han Yue, Chunhui Zhang, Chuxu Zhang +1

Recently, contrastiveness-based augmentation surges a new climax in the computer vision domain, where some operations, including rotation, crop, and flip, combined with dedicated a…

cs.LG2022★ 6 cited

Achieving Fairness at No Utility Cost via Data Reweighing with Influence

Peizhao Li, Hongfu Liu

With the fast development of algorithmic governance, fairness has become a compulsory property for machine learning models to suppress unintentional discrimination. In this paper,…

cs.LG2021

IPOF: An Extremely and Excitingly Simple Outlier Detection Booster via Infinite Propagation

Sibo Zhu, Handong Zhao, Hongfu Liu

Outlier detection is one of the most popular and continuously rising topics in the data mining field due to its crucial academic value and extensive industrial applications. Among…

cs.LG2021

Deep Clustering based Fair Outlier Detection

Hanyu Song, Peizhao Li, Hongfu Liu

In this paper, we focus on the fairness issues regarding unsupervised outlier detection. Traditional algorithms, without a specific design for algorithmic fairness, could implicitl…

cs.CV2021★ 7 cited

SelfDoc: Self-Supervised Document Representation Learning

Peizhao Li, Jiuxiang Gu, Jason Kuen +5

We propose SelfDoc, a task-agnostic pre-training framework for document image understanding. Because documents are multimodal and are intended for sequential reading, our framework…

cs.LG2021

Fairness-Aware Unsupervised Feature Selection

Xiaoying Xing, Hongfu Liu, Chen Chen +1

Feature selection is a prevalent data preprocessing paradigm for various learning tasks. Due to the expensive cost of acquiring supervision information, unsupervised feature select…

cs.CV2020★ 2 cited

Mining Label Distribution Drift in Unsupervised Domain Adaptation

Peizhao Li, Zhengming Ding, Hongfu Liu

Unsupervised domain adaptation targets to transfer task-related knowledge from labeled source domain to unlabeled target domain. Although tremendous efforts have been made to minim…

cs.LG2020★ 1 cited

Learnable Subspace Clustering

Jun Li, Hongfu Liu, Zhiqiang Tao +2

This paper studies the large-scale subspace clustering (LSSC) problem with million data points. Many popular subspace clustering methods cannot directly handle the LSSC problem alt…

cs.LG2019★ 9 cited

Consensus Clustering: An Embedding Perspective, Extension and Beyond

Hongfu Liu, Zhiqiang Tao, Zhengming Ding

Consensus clustering fuses diverse basic partitions (i.e., clustering results obtained from conventional clustering methods) into an integrated one, which has attracted increasing…

cs.CV2019

Spatially Constrained GAN for Face and Fashion Synthesis

Songyao Jiang, Hongfu Liu, Yue Wu +1

Image generation has raised tremendous attention in both academic and industrial areas, especially for the conditional and target-oriented image generation, such as criminal portra…

cs.LG2018★ 1 cited

Predictive Local Smoothness for Stochastic Gradient Methods

Jun Li, Hongfu Liu, Bineng Zhong +2

Stochastic gradient methods are dominant in nonconvex optimization especially for deep models but have low asymptotical convergence due to the fixed smoothness. To address this pro…

cs.LG2018★ 6 cited

Clustering with Outlier Removal

Hongfu Liu, Jun Li, Yue Wu +1

Cluster analysis and outlier detection are strongly coupled tasks in data mining area. Cluster structure can be easily destroyed by few outliers; on the contrary, outliers are defi…

eess.SY2017

Convergence Analysis and Design of Multi-block ADMM via Switched Control Theory

Jun Li, Hongfu Liu, Yue Wu +1

We consider three challenges in multi-block Alternating Direction Method of Multipliers (ADMM): building convergence conditions for ADMM with any block (variable) sequence, finding…