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相关论文: An Information-Theoretic Perspective on Variance-I…

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We propose a novel method for semi-supervised learning (SSL) based on data-driven distributionally robust optimization (DRO) using optimal transport metrics. Our proposed method enhances generalization error by using the unlabeled data to…

机器学习 · 统计学 2020-04-21 Jose Blanchet , Yang Kang

In this paper, we proposed a new technique, {\em variance controlled stochastic gradient} (VCSG), to improve the performance of the stochastic variance reduced gradient (SVRG) algorithm. To avoid over-reducing the variance of gradient by…

机器学习 · 计算机科学 2021-02-22 Jia Bi , Steve R. Gunn

Despite the empirical successes of self-supervised learning (SSL) methods, it is unclear what characteristics of their representations lead to high downstream accuracies. In this work, we characterize properties that SSL representations…

机器学习 · 计算机科学 2022-12-13 Yann Dubois , Tatsunori Hashimoto , Stefano Ermon , Percy Liang

Invariant Causal Prediction (Peters et al., 2016) is a technique for out-of-distribution generalization which assumes that some aspects of the data distribution vary across the training set but that the underlying causal mechanisms remain…

机器学习 · 计算机科学 2021-03-30 Elan Rosenfeld , Pradeep Ravikumar , Andrej Risteski

Variational continual learning (VCL) is a turn-key learning algorithm that has state-of-the-art performance among the best continual learning models. In our work, we explore an extension of the generalized variational continual learning…

机器学习 · 计算机科学 2024-08-30 Fan Yang

In recent years, great progress has been made to incorporate unlabeled data to overcome the inefficiently supervised problem via semi-supervised learning (SSL). Most state-of-the-art models are based on the idea of pursuing consistent model…

机器学习 · 计算机科学 2022-09-27 Yangbangyan Jiang , Xiaodan Li , Yuefeng Chen , Yuan He , Qianqian Xu , Zhiyong Yang , Xiaochun Cao , Qingming Huang

Using information-theoretic principles, we consider the generalization error (gen-error) of iterative semi-supervised learning (SSL) algorithms that iteratively generate pseudo-labels for a large amount of unlabelled data to progressively…

机器学习 · 计算机科学 2022-09-20 Haiyun He , Hanshu Yan , Vincent Y. F. Tan

Self-supervised learning (SSL) has become a popular method for generating invariant representations without the need for human annotations. Nonetheless, the desired invariant representation is achieved by utilising prior online…

机器学习 · 计算机科学 2024-09-30 Foivos Ntelemis , Yaochu Jin , Spencer A. Thomas

We propose ROI regularization (ROIreg) as a semi-supervised learning method for image classification. ROIreg focuses on the maximum probability of a posterior probability distribution g(x) obtained when inputting an unlabeled data sample x…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Hiroshi Kaizuka , Yasuhiro Nagasaki , Ryo Sako

Data augmentations play an important role in the recent success of self-supervised learning (SSL). While augmentations are commonly understood to encode invariances between different views into the learned representations, this…

机器学习 · 计算机科学 2025-06-10 Shlomo Libo Feigin , Maximilian Fleissner , Debarghya Ghoshdastidar

Accurate surgical phase recognition is crucial for advancing computer-assisted interventions, yet the scarcity of labeled data hinders training reliable deep learning models. Semi-supervised learning (SSL), particularly with…

图像与视频处理 · 电气工程与系统科学 2025-01-30 Sahar Nasirihaghighi , Negin Ghamsarian , Raphael Sznitman , Klaus Schoeffmann

Self-supervised learning (SSL) frameworks consist of pretext task, and loss function aiming to learn useful general features from unlabeled data. The basic idea of most SSL baselines revolves around enforcing the invariance to a variety of…

机器学习 · 计算机科学 2024-12-05 Salman Mohamadi , Gianfranco Doretto , Donald A. Adjeroh

We introduce a general framework for analyzing learning algorithms based on the notion of self-regularization, which captures implicit complexity control without requiring explicit regularization. This is motivated by previous observations…

机器学习 · 统计学 2026-03-19 Max Schölpple , Liu Fanghui , Ingo Steinwart

Generative Adversarial Networks (GANs) based semi-supervised learning (SSL) approaches are shown to improve classification performance by utilizing a large number of unlabeled samples in conjunction with limited labeled samples. However,…

机器学习 · 计算机科学 2020-09-16 Zexi Chen , Bharathkumar Ramachandra , Ranga Raju Vatsavai

Self-supervised learning (SSL) has produced a diverse landscape of vision transformers (ViTs) whose pretrained representations support a wide range of downstream tasks. Towards a better understanding of these models, a body of work has…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Xiaoyan Yu , Lisa Mais , Jannik Franzen , Peter Hirsch , Nick Lechtenbörger , Andreas Mardt , Dagmar Kainmüller

Cross-validation is the workhorse of modern applied statistics and machine learning, as it provides a principled framework for selecting the model that maximizes generalization performance. In this paper, we show that the cross-validation…

机器学习 · 统计学 2018-05-21 Shane Barratt , Rishi Sharma

With the success of self-supervised learning (SSL), it has become a mainstream paradigm to fine-tune from self-supervised pretrained models to boost the performance on downstream tasks. However, we find that current SSL models suffer severe…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Yun-Hao Cao , Peiqin Sun , Yechang Huang , Jianxin Wu , Shuchang Zhou

Current multimodal models often suffer from shallow reasoning, leading to errors caused by incomplete or inconsistent thought processes. To address this limitation, we propose Self-Verification and Self-Rectification (SVSR), a unified…

人工智能 · 计算机科学 2026-05-29 Zhe Qian , Nianbing Su , Zhonghua Wang , Hebei Li , Zhongxing Xu , Yueying Li , Fei Luo , Zhuohan Ouyang , Yanbiao Ma

Stochastic Variance Reduced Gradient (SVRG), introduced by Johnson & Zhang (2013), is a theoretically compelling optimization method. However, as Defazio & Bottou (2019) highlight, its effectiveness in deep learning is yet to be proven. In…

机器学习 · 计算机科学 2025-03-18 Yida Yin , Zhiqiu Xu , Zhiyuan Li , Trevor Darrell , Zhuang Liu

Class imbalance in graph data presents significant challenges for node classification. While existing methods, such as SMOTE-based approaches, partially mitigate this issue, they still exhibit limitations in constructing imbalanced graphs.…

机器学习 · 计算机科学 2024-03-28 Yulan Hu , Sheng Ouyang , Zhirui Yang , Yong Liu