Search Results for author: Jingyi Cui

Found 3 papers, 1 papers with code

Rethinking Weak Supervision in Helping Contrastive Learning

no code implementations7 Jun 2023 Jingyi Cui, Weiran Huang, Yifei Wang, Yisen Wang

Therefore, to explore the mechanical differences between semi-supervised and noisy-labeled information in helping contrastive learning, we establish a unified theoretical framework of contrastive learning under weak supervision.

Contrastive Learning Denoising +1

GBHT: Gradient Boosting Histogram Transform for Density Estimation

no code implementations10 Jun 2021 Jingyi Cui, Hanyuan Hang, Yisen Wang, Zhouchen Lin

In this paper, we propose a density estimation algorithm called \textit{Gradient Boosting Histogram Transform} (GBHT), where we adopt the \textit{Negative Log Likelihood} as the loss function to make the boosting procedure available for the unsupervised tasks.

Anomaly Detection Density Estimation +1

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

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