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相关论文: Negative sampling in semi-supervised learning

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The problem of fully supervised classification is that it requires a tremendous amount of annotated data, however, in many datasets a large portion of data is unlabeled. To alleviate this problem semi-supervised learning (SSL) leverages the…

机器学习 · 计算机科学 2022-07-26 Ehsan Kazemi

Semi-supervised learning (SSL) methods assume that labeled data, unlabeled data and test data are from the same distribution. Open-set semi-supervised learning (Open-set SSL) considers a more practical scenario, where unlabeled data and…

机器学习 · 计算机科学 2024-04-16 Yang Yu , Danruo Deng , Furui Liu , Yueming Jin , Qi Dou , Guangyong Chen , Pheng-Ann Heng

We evaluate the effectiveness of semi-supervised learning (SSL) on a realistic benchmark where data exhibits considerable class imbalance and contains images from novel classes. Our benchmark consists of two fine-grained classification…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Jong-Chyi Su , Zezhou Cheng , Subhransu Maji

While semi-supervised learning (SSL) has received tremendous attentions in many machine learning tasks due to its successful use of unlabeled data, existing SSL algorithms use either all unlabeled examples or the unlabeled examples with a…

机器学习 · 计算机科学 2021-09-03 Yi Xu , Lei Shang , Jinxing Ye , Qi Qian , Yu-Feng Li , Baigui Sun , Hao Li , Rong Jin

Semi-supervised learning (SSL) algorithms struggle to perform well when exposed to imbalanced training data. In this scenario, the generated pseudo-labels can exhibit a bias towards the majority class, and models that employ these…

机器学习 · 计算机科学 2024-09-18 Zeju Li , Ying-Qiu Zheng , Chen Chen , Saad Jbabdi

Semi-supervised learning (SSL) is a key approach toward more data-efficient machine learning by jointly leverage both labeled and unlabeled data. We propose AlphaMatch, an efficient SSL method that leverages data augmentations, by…

机器学习 · 计算机科学 2020-11-25 Chengyue Gong , Dilin Wang , Qiang Liu

It is well known that the success of deep neural networks is greatly attributed to large-scale labeled datasets. However, it can be extremely time-consuming and laborious to collect sufficient high-quality labeled data in most practical…

计算机视觉与模式识别 · 计算机科学 2022-02-18 Yao Yao , Junyi Shen , Jin Xu , Bin Zhong , Li Xiao

Contrastive self-supervised learning (SSL) methods, such as MoCo and SimCLR, have achieved great success in unsupervised visual representation learning. They rely on a large number of negative pairs and thus require either large memory…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Wenbin Li , Xuesong Yang , Meihao Kong , Lei Wang , Jing Huo , Yang Gao , Jiebo Luo

We present a self-supervised learning (SSL) method suitable for semi-global tasks such as object detection and semantic segmentation. We enforce local consistency between self-learned features, representing corresponding image locations of…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Ashraful Islam , Ben Lundell , Harpreet Sawhney , Sudipta Sinha , Peter Morales , Richard J. Radke

Semi-supervised learning (SSL) constructs classifiers from datasets in which only a subset of observations is labelled, a situation that naturally arises because obtaining labels often requires expert judgement or costly manual effort. This…

统计计算 · 统计学 2025-12-09 Geoffrey J. McLachlan , Jinran Wu

The development of semi-supervised learning (SSL) has in recent years largely focused on the development of new consistency regularization or entropy minimization approaches, often resulting in models with complex training strategies to…

机器学习 · 计算机科学 2025-07-01 Durgesh Singh , Ahcene Boubekki , Robert Jenssen , Michael C. Kampffmeyer

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

Negative sampling is a limiting factor w.r.t. the generalization of metric-learned neural networks. We show that uniform negative sampling provides little information about the class boundaries and thus propose three novel techniques for…

机器学习 · 计算机科学 2021-02-15 James O' Neill , Danushka Bollegala

Semi-Supervised Learning (SSL) is implemented when algorithms are trained on both labeled and unlabeled data. This is a very common application of ML as it is unrealistic to obtain a fully labeled dataset. Researchers have tackled three…

机器学习 · 计算机科学 2023-08-16 Jason Lu , Michael Ma , Huaze Xu , Zixi Xu

Deep learning is pushing the state-of-the-art in many computer vision applications. However, it relies on large annotated data repositories, and capturing the unconstrained nature of the real-world data is yet to be solved. Semi-supervised…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Mamshad Nayeem Rizve , Navid Kardan , Mubarak Shah

Active Learning (AL) and Semi-supervised Learning are two techniques that have been studied to reduce the high cost of deep learning by using a small amount of labeled data and a large amount of unlabeled data. To improve the accuracy of…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Jaeseung Lim , Jongkeun Na , Nojun Kwak

Active learning aims to alleviate the amount of labor involved in data labeling by automating the selection of unlabeled samples via an acquisition function. For example, variational adversarial active learning (VAAL) leverages an…

机器学习 · 计算机科学 2024-08-26 Zongyao Lyu , William J. Beksi

Semi-Supervised Learning (SSL) has achieved great success in overcoming the difficulties of labeling and making full use of unlabeled data. However, SSL has a limited assumption that the numbers of samples in different classes are balanced,…

机器学习 · 计算机科学 2020-02-18 Minsung Hyun , Jisoo Jeong , Nojun Kwak

In this paper we exploit Semi-Supervised Learning (SSL) to increase the amount of training data to improve the performance of Fine-Grained Visual Categorization (FGVC). This problem has not been investigated in the past in spite of…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Daniele Mugnai , Federico Pernici , Francesco Turchini , Alberto Del Bimbo

This study aims to develop a novel computer-aided diagnosis (CAD) scheme for mammographic breast mass classification using semi-supervised learning. Although supervised deep learning has achieved huge success across various medical image…

计算机视觉与模式识别 · 计算机科学 2022-01-27 Xuxin Chen , Ximin Wang , Ke Zhang , Kar-Ming Fung , Theresa C. Thai , Kathleen Moore , Robert S. Mannel , Hong Liu , Bin Zheng , Yuchen Qiu