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Recent semi-supervised learning (SSL) methods are commonly based on pseudo labeling. Since the SSL performance is greatly influenced by the quality of pseudo labels, mutual learning has been proposed to effectively suppress the noises in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Pan Zhang , Bo Zhang , Ting Zhang , Dong Chen , Fang Wen

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…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Daniele Mugnai , Federico Pernici , Francesco Turchini , Alberto Del Bimbo

Surgical tool detection in minimally invasive surgery is an essential part of computer-assisted interventions. Current approaches are mostly based on supervised methods which require large fully labeled data to train supervised models and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Mansoor Ali , Gilberto Ochoa-Ruiz , Sharib Ali

Consistency regularization is a technique for semi-supervised learning that underlies a number of strong results for classification with few labeled data. It works by encouraging a learned model to be robust to perturbations on unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Geoff French , Avital Oliver , Tim Salimans

MixUp is an effective data augmentation method to regularize deep neural networks via random linear interpolations between pairs of samples and their labels. It plays an important role in model regularization, semi-supervised learning and…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Zhijun Mai , Guosheng Hu , Dexiong Chen , Fumin Shen , Heng Tao Shen

Semi-Supervised Learning (SSL) is fundamentally a missing label problem, in which the label Missing Not At Random (MNAR) problem is more realistic and challenging, compared to the widely-adopted yet naive Missing Completely At Random…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Xinting Hu , Yulei Niu , Chunyan Miao , Xian-Sheng Hua , Hanwang Zhang

Reducing the amount of labels required to train convolutional neural networks without performance degradation is key to effectively reduce human annotation efforts. We propose Reliable Label Bootstrapping (ReLaB), an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 Paul Albert , Diego Ortego , Eric Arazo , Noel E. O'Connor , Kevin McGuinness

Contrastive Self-supervised Learning (CSL) is a practical solution that learns meaningful visual representations from massive data in an unsupervised approach. The ordinary CSL embeds the features extracted from neural networks onto…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Shentong Mo , Zhun Sun , Chao Li

When there are unlabeled Out-Of-Distribution (OOD) data from other classes, Semi-Supervised Learning (SSL) methods suffer from severe performance degradation and even get worse than merely training on labeled data. In this paper, we…

Machine Learning · Computer Science 2023-01-18 Lu Han , Han-Jia Ye , De-Chuan Zhan

In this paper we revisit the idea of pseudo-labeling in the context of semi-supervised learning where a learning algorithm has access to a small set of labeled samples and a large set of unlabeled samples. Pseudo-labeling works by applying…

Machine Learning · Computer Science 2020-12-11 Paola Cascante-Bonilla , Fuwen Tan , Yanjun Qi , Vicente Ordonez

The task of continual learning requires careful design of algorithms that can tackle catastrophic forgetting. However, the noisy label, which is inevitable in a real-world scenario, seems to exacerbate the situation. While very few studies…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Nazmul Karim , Umar Khalid , Ashkan Esmaeili , Nazanin Rahnavard

To overcome the data-hungry challenge, we have proposed a semi-supervised contrastive learning framework for the task of class-imbalanced semantic segmentation. First and foremost, to make the model operate in a semi-supervised manner, we…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Kangcheng Liu

Deep learning demands a huge amount of well-labeled data to train the network parameters. How to use the least amount of labeled data to obtain the desired classification accuracy is of great practical significance, because for many…

Machine Learning · Computer Science 2019-12-20 Xiao Han , Zihao Wang , Enmei Tu , Gunnam Suryanarayana , Jie Yang

Continuous pseudo-labeling (PL) algorithms such as slimIPL have recently emerged as a powerful strategy for semi-supervised learning in speech recognition. In contrast with earlier strategies that alternated between training a model and…

Machine Learning · Computer Science 2023-02-01 Tatiana Likhomanenko , Ronan Collobert , Navdeep Jaitly , Samy Bengio

Self-supervised representation learning has made significant leaps fueled by progress in contrastive learning, which seeks to learn transformations that embed positive input pairs nearby, while pushing negative pairs far apart. While…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Tri Huynh , Simon Kornblith , Matthew R. Walter , Michael Maire , Maryam Khademi

Despite its empirical success, the theoretical foundations of self-supervised contrastive learning (CL) are not yet fully established. In this work, we address this gap by showing that standard CL objectives implicitly approximate a…

Machine Learning · Computer Science 2025-11-12 Achleshwar Luthra , Tianbao Yang , Tomer Galanti

In semi-supervised representation learning frameworks, when the number of labelled data is very scarce, the quality and representativeness of these samples become increasingly important. Existing literature on semi-supervised learning…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Shuvendu Roy , Ali Etemad

Despite the success of contrastive learning in Music Information Retrieval, the inherent ambiguity of contrastive self-supervision presents a challenge. Relying solely on augmentation chains and self-supervised positive sampling strategies…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-22 Julien Guinot , Elio Quinton , György Fazekas

This paper presents SimCLR: a simple framework for contrastive learning of visual representations. We simplify recently proposed contrastive self-supervised learning algorithms without requiring specialized architectures or a memory bank.…

Machine Learning · Computer Science 2020-07-02 Ting Chen , Simon Kornblith , Mohammad Norouzi , Geoffrey Hinton

Improving generalization is a major challenge in audio classification due to labeled data scarcity. Self-supervised learning (SSL) methods tackle this by leveraging unlabeled data to learn useful features for downstream classification…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-22 Melikasadat Emami , Dung Tran , Kazuhito Koishida
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