Search Results for author: Hongwei Wen

Found 4 papers, 1 papers with code

Class Probability Matching Using Kernel Methods for Label Shift Adaptation

no code implementations12 Dec 2023 Hongwei Wen, Annika Betken, Hanyuan Hang

In covariate shift adaptation where the differences in data distribution arise from variations in feature probabilities, existing approaches naturally address this problem based on \textit{feature probability matching} (\textit{FPM}).

Domain Adaptation

Leveraged Weighted Loss for Partial Label Learning

1 code implementation10 Jun 2021 Hongwei Wen, Jingyi Cui, Hanyuan Hang, Jiabin Liu, Yisen Wang, Zhouchen Lin

As an important branch of weakly supervised learning, partial label learning deals with data where each instance is assigned with a set of candidate labels, whereas only one of them is true.

Partial Label Learning Weakly-supervised Learning

Histogram Transform Ensembles for Large-scale Regression

no code implementations8 Dec 2019 Hanyuan Hang, Zhouchen Lin, Xiaoyu Liu, Hongwei Wen

Instead, we apply kernel histogram transforms (KHT) equipped with smoother regressors such as support vector machines (SVMs), and it turns out that both single and ensemble KHT enjoy almost optimal convergence rates.

regression

Best-scored Random Forest Density Estimation

no code implementations9 May 2019 Hanyuan Hang, Hongwei Wen

Thirdly, the convergence rates under $L_{\infty}$-norm is presented.

Density Estimation

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