Search Results for author: Anjin Liu

Found 5 papers, 3 papers with code

Confident Anchor-Induced Multi-Source Free Domain Adaptation

1 code implementation NeurIPS 2021 Jiahua Dong, Zhen Fang, Anjin Liu, Gan Sun, Tongliang Liu

To address these challenges, we develop a novel Confident-Anchor-induced multi-source-free Domain Adaptation (CAiDA) model, which is a pioneer exploration of knowledge adaptation from multiple source domains to the unlabeled target domain without any source data, but with only pre-trained source models.

Pseudo Label Source-Free Domain Adaptation +1

Learning Bounds for Open-Set Learning

1 code implementation30 Jun 2021 Zhen Fang, Jie Lu, Anjin Liu, Feng Liu, Guangquan Zhang

In this paper, we target a more challenging and realistic setting: open-set learning (OSL), where there exist test samples from the classes that are unseen during training.

Learning Theory Open Set Learning +1

Concept Drift Detection: Dealing with MissingValues via Fuzzy Distance Estimations

1 code implementation9 Aug 2020 Anjin Liu, Jie Lu, Guangquan Zhang

Our solution comprises a novel masked distance learning (MDL) algorithm to reduce the cumulative errors caused by iteratively estimating each missing value in an observation and a fuzzy-weighted frequency (FWF) method for identifying discrepancies in the data distribution.

Imputation

Diverse Instances-Weighting Ensemble based on Region Drift Disagreement for Concept Drift Adaptation

no code implementations13 Apr 2020 Anjin Liu, Jie Lu, Guangquan Zhang

Concept drift refers to changes in the distribution of underlying data and is an inherent property of evolving data streams.

Ensemble Learning

Learning under Concept Drift: A Review

no code implementations13 Apr 2020 Jie Lu, Anjin Liu, Fan Dong, Feng Gu, Joao Gama, Guangquan Zhang

To help researchers identify which research topics are significant and how to apply related techniques in data analysis tasks, it is necessary that a high quality, instructive review of current research developments and trends in the concept drift field is conducted.

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