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相关论文: Towards Realistic Long-tailed Semi-supervised Lear…

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A major bottleneck in training robust Human-Activity Recognition models (HAR) is the need for large-scale labeled sensor datasets. Because labeling large amounts of sensor data is an expensive task, unsupervised and semi-supervised learning…

机器学习 · 计算机科学 2022-02-03 Yash Jain , Chi Ian Tang , Chulhong Min , Fahim Kawsar , Akhil Mathur

Self-supervised learning (SSL) has shown remarkable data representation capabilities across a wide range of datasets. However, when applied to real-world datasets with long-tailed distributions, performance on multiple downstream tasks…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Haowen Xiao , Guanghui Liu , Xinyi Gao , Yang Li , Fengmao Lv , Jielei Chu

Deep neural networks may perform poorly when training datasets are heavily class-imbalanced. Recently, two-stage methods decouple representation learning and classifier learning to improve performance. But there is still the vital issue of…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Zhisheng Zhong , Jiequan Cui , Shu Liu , Jiaya Jia

Semi-supervised learning (SSL) uses unlabeled data to improve the performance of machine learning models when labeled data is scarce. However, its real-world applications often face the label distribution mismatch problem, in which the…

机器学习 · 计算机科学 2025-08-05 Jinsoo Bae , Seoung Bum Kim , Hyungrok Do

Traditional graph-based semi-supervised learning (SSL) approaches, even though widely applied, are not suited for massive data and large label scenarios since they scale linearly with the number of edges $|E|$ and distinct labels $m$. To…

机器学习 · 计算机科学 2016-05-17 Sujith Ravi , Qiming Diao

Self-supervised Learning (SSL) including the mainstream contrastive learning has achieved great success in learning visual representations without data annotations. However, most of methods mainly focus on the instance level information…

计算机视觉与模式识别 · 计算机科学 2021-07-26 Mingkai Zheng , Shan You , Fei Wang , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

This study investigates the relationship between semi-supervised learning (SSL, which is training off partially labelled datasets) and open-set recognition (OSR, which is classification with simultaneous novelty detection) under the context…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Emile Reyn Engelbrecht , Johan du Preez

Multi-label learning (MLL) has gained attention for its ability to represent real-world data. Label Distribution Learning (LDL), an extension of MLL to learning from label distributions, faces challenges in collecting accurate label…

机器学习 · 计算机科学 2025-02-04 Zhiqiang Kou , Si Qin , Hailin Wang , Mingkun Xie , Shuo Chen , Yuheng Jia , Tongliang Liu , Masashi Sugiyama , Xin Geng

Semi-supervised multi-label learning (SSMLL) is a powerful framework for leveraging unlabeled data to reduce the expensive cost of collecting precise multi-label annotations. Unlike semi-supervised learning, one cannot select the most…

机器学习 · 计算机科学 2024-12-30 Jia-Hao Xiao , Ming-Kun Xie , Heng-Bo Fan , Gang Niu , Masashi Sugiyama , Sheng-Jun Huang

Machine learning models fail to perform well on real-world applications when 1) the category distribution P(Y) of the training dataset suffers from long-tailed distribution and 2) the test data is drawn from different conditional…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Xiao Gu , Yao Guo , Zeju Li , Jianing Qiu , Qi Dou , Yuxuan Liu , Benny Lo , Guang-Zhong Yang

Recent advances in semi-supervised learning (SSL) demonstrate that a combination of consistency regularization and pseudo-labeling can effectively improve image classification accuracy in the low-data regime. Compared to classification,…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Yuliang Zou , Zizhao Zhang , Han Zhang , Chun-Liang Li , Xiao Bian , Jia-Bin Huang , Tomas Pfister

Semi-Supervised Learning (SSL) can leverage abundant unlabeled data to boost model performance. However, the class-imbalanced data distribution in real-world scenarios poses great challenges to SSL, resulting in performance degradation.…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Yin Wang , Zixuan Wang , Hao Lu , Zhen Qin , Hailiang Zhao , Guanjie Cheng , Ge Su , Li Kuang , Mengchu Zhou , Shuiguang Deng

Learning with Noisy Labels (LNL) aims to improve the model generalization when facing data with noisy labels, and existing methods generally assume that noisy labels come from known classes, called closed-set noise. However, in real-world…

机器学习 · 计算机科学 2025-01-22 Linchao Pan , Can Gao , Jie Zhou , Jinbao Wang

To address the problem of long-tail distribution for the large vocabulary object detection task, existing methods usually divide the whole categories into several groups and treat each group with different strategies. These methods bring…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Tong Wang , Yousong Zhu , Chaoyang Zhao , Wei Zeng , Jinqiao Wang , Ming Tang

Partial-label learning (PLL) is a peculiar weakly-supervised learning task where the training samples are generally associated with a set of candidate labels instead of single ground truth. While a variety of label disambiguation methods…

机器学习 · 计算机科学 2022-09-22 Haobo Wang , Mingxuan Xia , Yixuan Li , Yuren Mao , Lei Feng , Gang Chen , Junbo Zhao

This paper introduces RankMatch, an innovative approach for Semi-Supervised Label Distribution Learning (SSLDL). Addressing the challenge of limited labeled data, RankMatch effectively utilizes a small number of labeled examples in…

机器学习 · 计算机科学 2023-12-12 Kouzhiqiang Yucheng Xie , Jing Wang , Yuheng Jia , Boyu Shi , Xin Geng

In this paper, we address a complex but practical scenario in semi-supervised learning (SSL) named open-set SSL, where unlabeled data contain both in-distribution (ID) and out-of-distribution (OOD) samples. Unlike previous methods that only…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Ganlong Zhao , Guanbin Li , Yipeng Qin , Jinjin Zhang , Zhenhua Chai , Xiaolin Wei , Liang Lin , Yizhou Yu

We introduce MarginMatch, a new SSL approach combining consistency regularization and pseudo-labeling, with its main novelty arising from the use of unlabeled data training dynamics to measure pseudo-label quality. Instead of using only the…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Tiberiu Sosea , Cornelia Caragea

Semi-supervised learning deals with the problem of how, if possible, to take advantage of a huge amount of unclassified data, to perform a classification in situations when, typically, there is little labeled data. Even though this is not…

机器学习 · 统计学 2020-12-11 Alejandro Cholaquidis , Ricardo Fraiman , Mariela Sued

Contrastive learning methods enforce label distance relationships in feature space to improve representation capability for regression models. However, these methods highly depend on label information to correctly recover ordinal…

机器学习 · 计算机科学 2025-12-11 Ce Wang , Weihang Dai , Hanru Bai , Xiaomeng Li