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相关论文: When Does Contrastive Visual Representation Learni…

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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…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Shentong Mo , Zhun Sun , Chao Li

Contrastive learning is commonly used as a method of self-supervised learning with the "anchor" and "positive" being two random augmentations of a given input image, and the "negative" is the set of all other images. However, the…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Rishab Balasubramanian , Kunal Rathore

Self-supervised representation learning can mitigate the limitations in recognition tasks with few manually labeled data but abundant unlabeled data---a common scenario in sound event research. In this work, we explore unsupervised…

声音 · 计算机科学 2020-11-17 Eduardo Fonseca , Diego Ortego , Kevin McGuinness , Noel E. O'Connor , Xavier Serra

Various state-of-the-art self-supervised visual representation learning approaches take advantage of data from multiple sensors by aligning the feature representations across views and/or modalities. In this work, we investigate how…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Thomas M. Hehn , Julian F. P. Kooij , Dariu M. Gavrila

Time-series representation learning can extract representations from data with temporal dynamics and sparse labels. When labeled data are sparse but unlabeled data are abundant, contrastive learning, i.e., a framework to learn a latent…

机器学习 · 计算机科学 2023-03-03 Heejeong Choi , Pilsung Kang

Unsupervised learning has been a long-standing goal of machine learning and is especially important for medical image analysis, where the learning can compensate for the scarcity of labeled datasets. A promising subclass of unsupervised…

图像与视频处理 · 电气工程与系统科学 2021-09-09 Ozan Ciga , Tony Xu , Anne L. Martel

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

Self-supervised learning has proven to be an effective way to learn representations in domains where annotated labels are scarce, such as medical imaging. A widely adopted framework for this purpose is contrastive learning and it has been…

计算机视觉与模式识别 · 计算机科学 2024-02-23 Hugo Figueiras , Helena Aidos , Nuno Cruz Garcia

Over the last decade, supervised deep learning on manually annotated big data has been progressing significantly on computer vision tasks. But the application of deep learning in medical image analysis was limited by the scarcity of…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Wei-Chien Wang , Euijoon Ahn , Dagan Feng , Jinman Kim

Visual-only self-supervised learning has achieved significant improvement in video representation learning. Existing related methods encourage models to learn video representations by utilizing contrastive learning or designing specific…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Jinyu Liu , Ying Cheng , Yuejie Zhang , Rui-Wei Zhao , Rui Feng

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…

As a subset of unsupervised representation learning, self-supervised representation learning adopts self-defined signals as supervision and uses the learned representation for downstream tasks, such as object detection and image captioning.…

机器学习 · 计算机科学 2021-03-24 Yao-Hung Hubert Tsai , Yue Wu , Ruslan Salakhutdinov , Louis-Philippe Morency

Self-supervised pretraining has been observed to be effective at improving feature representations for transfer learning, leveraging large amounts of unlabelled data. This review summarizes recent research into its usage in X-ray, computed…

机器学习 · 计算机科学 2023-09-07 Blake VanBerlo , Jesse Hoey , Alexander Wong

Recent self-supervised contrastive methods have been able to produce impressive transferable visual representations by learning to be invariant to different data augmentations. However, these methods implicitly assume a particular set of…

计算机视觉与模式识别 · 计算机科学 2021-03-22 Tete Xiao , Xiaolong Wang , Alexei A. Efros , Trevor Darrell

This work analyses the impact of self-supervised pre-training on document images in the context of document image classification. While previous approaches explore the effect of self-supervision on natural images, we show that patch-based…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Adrian Cosma , Mihai Ghidoveanu , Michael Panaitescu-Liess , Marius Popescu

Self-supervised learning (SSL) has advanced significantly in visual representation learning, yet comprehensive evaluations of its adversarial robustness remain limited. In this study, we evaluate the adversarial robustness of seven…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Ömer Veysel Çağatan , Ömer Faruk Tal , M. Emre Gürsoy

Contrastive learning is a popular form of self-supervised learning that encourages augmentations (views) of the same input to have more similar representations compared to augmentations of different inputs. Recent attempts to theoretically…

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…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Hong-Yu Zhou , Chixiang Lu , Sibei Yang , Xiaoguang Han , Yizhou Yu

Unsupervised visual representation learning has gained much attention from the computer vision community because of the recent achievement of contrastive learning. Most of the existing contrastive learning frameworks adopt the instance…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Mingkai Zheng , Fei Wang , Shan You , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

Self-training is a simple semi-supervised learning approach: Unlabelled examples that attract high-confidence predictions are labelled with their predictions and added to the training set, with this process being repeated multiple times.…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Attaullah Sahito , Eibe Frank , Bernhard Pfahringer