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Graph representation learning has long been an important yet challenging task for various real-world applications. However, their downstream tasks are mainly performed in the settings of supervised or semi-supervised learning. Inspired by…

Machine Learning · Computer Science 2021-04-14 Shiyi Chen , Ziao Wang , Xinni Zhang , Xiaofeng Zhang , Dan Peng

Continual learning aims to improve the ability of modern learning systems to deal with non-stationary distributions, typically by attempting to learn a series of tasks sequentially. Prior art in the field has largely considered supervised…

Machine Learning · Computer Science 2019-11-01 Dushyant Rao , Francesco Visin , Andrei A. Rusu , Yee Whye Teh , Razvan Pascanu , Raia Hadsell

Collaborative learning enables distributed clients to learn a shared model for prediction while keeping the training data local on each client. However, existing collaborative learning methods require fully-labeled data for training, which…

Machine Learning · Computer Science 2022-04-26 Yawen Wu , Zhepeng Wang , Dewen Zeng , Meng Li , Yiyu Shi , Jingtong Hu

Unsupervised learning algorithms are beginning to achieve accuracies comparable to their supervised counterparts on benchmark computer vision tasks, but their utility for practical applications has not yet been demonstrated. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-13 Jeremiah W. Johnson , Swathi Hari , Donald Hampton , Hyunju K. Connor , Amy Keesee

Semi-supervised learning is attracting blooming attention, due to its success in combining unlabeled data. However, pseudo-labeling-based semi-supervised approaches suffer from two problems in image classification: (1) Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Xuerong Zhang , Li Huang , Jing Lv , Ming Yang

Unsupervised visual representation learning remains a largely unsolved problem in computer vision research. Among a big body of recently proposed approaches for unsupervised learning of visual representations, a class of self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2019-01-28 Alexander Kolesnikov , Xiaohua Zhai , Lucas Beyer

Unsupervised image clustering methods often introduce alternative objectives to indirectly train the model and are subject to faulty predictions and overconfident results. To overcome these challenges, the current research proposes an…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Sungwon Park , Sungwon Han , Sundong Kim , Danu Kim , Sungkyu Park , Seunghoon Hong , Meeyoung Cha

In the literature, most existing graph-based semi-supervised learning (SSL) methods only use the label information of observed samples in the label propagation stage, while ignoring such valuable information when learning the graph. In this…

Computer Vision and Pattern Recognition · Computer Science 2017-02-14 Liansheng Zhuang , Zihan Zhou , Jingwen Yin , Shenghua Gao , Zhouchen Lin , Yi Ma , Nenghai Yu

The goal of self-supervised learning from images is to construct image representations that are semantically meaningful via pretext tasks that do not require semantic annotations for a large training set of images. Many pretext tasks lead…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Ishan Misra , Laurens van der Maaten

State-of-the-art computer vision models are mostly trained with supervised learning using human-labeled images, which limits their scalability due to the expensive annotation cost. While self-supervised representation learning has achieved…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Junnan Li , Silvio Savarese , Steven C. H. Hoi

Self-supervised learning (SSL) has emerged as a powerful paradigm for learning representations without labeled data. Most SSL approaches rely on strong, well-established, handcrafted data augmentations to generate diverse views for…

Machine Learning · Computer Science 2026-01-16 Berken Utku Demirel , Christian Holz

Graph Self-Supervised Learning (GSSL) has emerged as a powerful paradigm for generating high-quality representations for graph-structured data. While multi-scale graph contrastive learning has received increasing attention, many existing…

Machine Learning · Computer Science 2026-05-14 Mohamed Mahmoud Amar , Nairouz Mrabah , Mohamed Bouguessa , Abdoulaye Baniré Diallo

Deep convolutional neural networks (CNNs) have demonstrated remarkable success in computer vision by supervisedly learning strong visual feature representations. However, training CNNs relies heavily on the availability of exhaustive…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Jiabo Huang , Qi Dong , Shaogang Gong , Xiatian Zhu

Representation learning approaches typically rely on images of objects captured from a single perspective that are transformed using affine transformations. Additionally, self-supervised learning, a successful paradigm of representation…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Omiros Pantazis , Mathew Salvaris

Unsupervised object discovery is commonly interpreted as the task of localizing and/or categorizing objects in visual data without the need for labeled examples. While current object recognition methods have proven highly effective for…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 José-Fabian Villa-Vásquez , Marco Pedersoli

Disentangled representations have recently been shown to improve fairness, data efficiency and generalisation in simple supervised and reinforcement learning tasks. To extend the benefits of disentangled representations to more complex…

Deep supervised learning has achieved great success in the last decade. However, its deficiencies of dependence on manual labels and vulnerability to attacks have driven people to explore a better solution. As an alternative,…

Machine Learning · Computer Science 2021-06-28 Xiao Liu , Fanjin Zhang , Zhenyu Hou , Zhaoyu Wang , Li Mian , Jing Zhang , Jie Tang

Local discriminative representation is needed in many medical image analysis tasks such as identifying sub-types of lesion or segmenting detailed components of anatomical structures. However, the commonly applied supervised representation…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Huai Chen , Jieyu Li , Renzhen Wang , Yijie Huang , Fanrui Meng , Deyu Meng , Qing Peng , Lisheng Wang

Many leading self-supervised methods for unsupervised representation learning, in particular those for embedding image features, are built on variants of the instance discrimination task, whose optimization is known to be prone to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Daniel Shalam , Simon Korman

Deep learning methodologies have been employed in several different fields, with an outstanding success in image recognition applications, such as material quality control, medical imaging, autonomous driving, etc. Deep learning models rely…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Saul Calderon-Ramirez , Shengxiang Yang , David Elizondo