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Continual learning is essential for adapting models to new tasks while retaining previously acquired knowledge. While existing approaches predominantly focus on uni-modal data, multi-modal learning offers substantial benefits by utilizing…

Machine Learning · Computer Science 2025-11-11 Evelyn Chee , Wynne Hsu , Mong Li Lee

A central goal of unsupervised learning is to acquire representations from unlabeled data or experience that can be used for more effective learning of downstream tasks from modest amounts of labeled data. Many prior unsupervised learning…

Machine Learning · Computer Science 2019-03-25 Kyle Hsu , Sergey Levine , Chelsea Finn

Contrastive learning applied to self-supervised representation learning has seen a resurgence in recent years, leading to state of the art performance in the unsupervised training of deep image models. Modern batch contrastive approaches…

Machine Learning · Computer Science 2021-03-12 Prannay Khosla , Piotr Teterwak , Chen Wang , Aaron Sarna , Yonglong Tian , Phillip Isola , Aaron Maschinot , Ce Liu , Dilip Krishnan

Recent work studies the supervised online continual learning setting where a learner receives a stream of data whose class distribution changes over time. Distinct from other continual learning settings the learner is presented new samples…

Machine Learning · Computer Science 2022-03-28 Nader Asadi , Sudhir Mudur , Eugene Belilovsky

The success of deep learning is usually accompanied by the growth in neural network depth. However, the traditional training method only supervises the neural network at its last layer and propagates the supervision layer-by-layer, which…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Linfeng Zhang , Xin Chen , Junbo Zhang , Runpei Dong , Kaisheng Ma

Contrastive learning has significantly improved representation quality, enhancing knowledge transfer across tasks in continual learning (CL). However, catastrophic forgetting remains a key challenge, as contrastive based methods primarily…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Trung-Anh Dang , Vincent Nguyen , Ngoc-Son Vu , Christel Vrain

Contrastive learning is a model pre-training technique by first creating similar views of the original data, and then encouraging the data and its corresponding views to be close in the embedding space. Contrastive learning has witnessed…

Machine Learning · Computer Science 2024-05-01 Wei Cui , Rasa Hosseinzadeh , Junwei Ma , Tongzi Wu , Yi Sui , Keyvan Golestan

Contrastive learning has achieved remarkable success in self-supervised representation learning, often guided by information-theoretic objectives such as mutual information maximization. Motivated by the limitations of static augmentations…

Machine Learning · Computer Science 2026-03-16 Jiansong Zhang , Zhuoqin Yang , Xu Wu , Xiaoling Luo , Peizhong Liu , Linlin Shen

The advancement of deep learning has greatly improved supervised image classification. However, labeling data is costly, prompting research into unsupervised learning methods such as contrastive learning. In real-world scenarios, fully…

Artificial Intelligence · Computer Science 2026-01-09 Shogo Nakayama , Masahiro Okuda

The primary objective of methods in continual learning is to learn tasks in a sequential manner over time (sometimes from a stream of data), while mitigating the detrimental phenomenon of catastrophic forgetting. This paper proposes a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Nisha L. Raichur , Lucas Heublein , Tobias Feigl , Alexander Rügamer , Christopher Mutschler , Felix Ott

Preserving maximal information is one of principles of designing self-supervised learning methodologies. To reach this goal, contrastive learning adopts an implicit way which is contrasting image pairs. However, we believe it is not fully…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Hong-Yu Zhou , Chixiang Lu , Sibei Yang , Xiaoguang Han , Yizhou Yu

Self-supervised learning is a powerful paradigm for representation learning on unlabelled images. A wealth of effective new methods based on instance matching rely on data-augmentation to drive learning, and these have reached a rough…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Linus Ericsson , Henry Gouk , Timothy M. Hospedales

Multimodal contrastive learning (MCL) aims to embed data from different modalities in a shared embedding space. However, empirical evidence shows that representations from different modalities occupy completely separate regions of embedding…

Machine Learning · Computer Science 2025-10-09 Lingjie Yi , Raphael Douady , Chao Chen

Contrastive learning has revolutionized the field of computer vision, learning rich representations from unlabeled data, which generalize well to diverse vision tasks. Consequently, it has become increasingly important to explain these…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Fawaz Sammani , Boris Joukovsky , Nikos Deligiannis

Contrastive learning has recently seen tremendous success in self-supervised learning. So far, however, it is largely unclear why the learned representations generalize so effectively to a large variety of downstream tasks. We here prove…

Machine Learning · Computer Science 2022-04-08 Roland S. Zimmermann , Yash Sharma , Steffen Schneider , Matthias Bethge , Wieland Brendel

In the realms of computer vision, it is evident that deep neural networks perform better in a supervised setting with a large amount of labeled data. The representations learned with supervision are not only of high quality but also helps…

Machine Learning · Computer Science 2020-09-28 Souradip Chakraborty , Aritra Roy Gosthipaty , Sayak Paul

Vision-language representation learning largely benefits from image-text alignment through contrastive losses (e.g., InfoNCE loss). The success of this alignment strategy is attributed to its capability in maximizing the mutual information…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Jinyu Yang , Jiali Duan , Son Tran , Yi Xu , Sampath Chanda , Liqun Chen , Belinda Zeng , Trishul Chilimbi , Junzhou Huang

Current 3D semi-supervised segmentation methods face significant challenges such as limited consideration of contextual information and the inability to generate reliable pseudo-labels for effective unsupervised data use. To address these…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Sanaz Karimijafarbigloo , Reza Azad , Yury Velichko , Ulas Bagci , Dorit Merhof

In this study, we propose the integration of competitive learning into convolutional neural networks (CNNs) to improve the representation learning and efficiency of fine-tuning. Conventional CNNs use back propagation learning, and it…

Machine Learning · Computer Science 2018-04-27 Takashi Shinozaki

Contrastive self-supervised learning has been successfully used in many domains, such as images, texts, graphs, etc., to learn features without requiring label information. In this paper, we propose a new local contrastive feature learning…

Machine Learning · Computer Science 2022-11-22 Zhabiz Gharibshah , Xingquan Zhu