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Self-supervised representation learning (SSRL) methods have shown great success in computer vision. In recent studies, augmentation-based contrastive learning methods have been proposed for learning representations that are invariant or…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Xia Xu , Jochen Triesch

Session-based recommendation aims to predict intents of anonymous users based on limited behaviors. With the ability in alleviating data sparsity, contrastive learning is prevailing in the task. However, we spot that existing contrastive…

信息检索 · 计算机科学 2025-06-06 Xiaokun Zhang , Bo Xu , Fenglong Ma , Zhizheng Wang , Liang Yang , Hongfei Lin

Contrastive self-supervised learning has outperformed supervised pretraining on many downstream tasks like segmentation and object detection. However, current methods are still primarily applied to curated datasets like ImageNet. In this…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Luc Van Gool

Learning self-supervised representations using reconstruction or contrastive losses improves performance and sample complexity of image-based and multimodal reinforcement learning (RL). Here, different self-supervised loss functions have…

机器学习 · 计算机科学 2024-06-27 Philipp Becker , Sebastian Mossburger , Fabian Otto , Gerhard Neumann

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…

机器学习 · 计算机科学 2022-11-22 Zhabiz Gharibshah , Xingquan Zhu

Self-supervised contrastive learning has demonstrated great potential in learning visual representations. Despite their success in various downstream tasks such as image classification and object detection, self-supervised pre-training for…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Di Wu , Siyuan Li , Zelin Zang , Stan Z. Li

In this work, we study self-supervised representation learning for 3D skeleton-based action recognition. We extend Bootstrap Your Own Latent (BYOL) for representation learning on skeleton sequence data and propose a new data augmentation…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Olivier Moliner , Sangxia Huang , Kalle Åström

Concept-oriented deep learning (CODL) is a general approach to meet the future challenges for deep learning: (1) learning with little or no external supervision, (2) coping with test examples that come from a different distribution than the…

机器学习 · 计算机科学 2022-02-04 Daniel T. Chang

The self-supervised pretraining paradigm has achieved great success in skeleton-based action recognition. However, these methods treat the motion and static parts equally, and lack an adaptive design for different parts, which has a…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Lilang Lin , Jiahang Zhang , Jiaying Liu

Traditional supervised learning methods are hitting a bottleneck because of their dependency on expensive manually labeled data and their weaknesses such as limited generalization ability and vulnerability to adversarial attacks. A…

机器学习 · 计算机科学 2021-06-08 Ran Liu

To improve performance in visual feature representation from photos or videos for practical applications, we generally require large-scale human-annotated labeled data while training deep neural networks. However, the cost of gathering and…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Zhenyuan Lu

A two-stage training paradigm consisting of sequential pre-training and meta-training stages has been widely used in current few-shot learning (FSL) research. Many of these methods use self-supervised learning and contrastive learning to…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Zhanyuan Yang , Jinghua Wang , Yingying Zhu

Contrastive learning between multiple views of the data has recently achieved state of the art performance in the field of self-supervised representation learning. Despite its success, the influence of different view choices has been less…

计算机视觉与模式识别 · 计算机科学 2020-12-21 Yonglong Tian , Chen Sun , Ben Poole , Dilip Krishnan , Cordelia Schmid , Phillip Isola

Multi-view representation learning has developed rapidly over the past decades and has been applied in many fields. However, most previous works assumed that each view is complete and aligned. This leads to an inevitable deterioration in…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Yiming Wang , Dongxia Chang , Zhiqiang Fu , Jie Wen , Yao Zhao

In recent years, remarkable results have been achieved in self-supervised action recognition using skeleton sequences with contrastive learning. It has been observed that the semantic distinction of human action features is often…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Yilei Hua , Wenhan Wu , Ce Zheng , Aidong Lu , Mengyuan Liu , Chen Chen , Shiqian Wu

In recent years, self-supervised representation learning for skeleton-based action recognition has been developed with the advance of contrastive learning methods. The existing contrastive learning methods use normal augmentations to…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Tianyu Guo , Hong Liu , Zhan Chen , Mengyuan Liu , Tao Wang , Runwei Ding

Representation learning constitutes a pivotal cornerstone in contemporary deep learning paradigms, offering a conduit to elucidate distinctive features within the latent space and interpret the deep models. Nevertheless, the inherent…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Siyuan Dai , Kai Ye , Kun Zhao , Ge Cui , Haoteng Tang , Liang Zhan

In this paper, we focus on the self-supervised learning of visual correspondence using unlabeled videos in the wild. Our method simultaneously considers intra- and inter-video representation associations for reliable correspondence…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Ning Wang , Wengang Zhou , Houqiang Li

Contrastive, self-supervised learning of object representations recently emerged as an attractive alternative to reconstruction-based training. Prior approaches focus on contrasting individual object representations (slots) against one…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Sindy Löwe , Klaus Greff , Rico Jonschkowski , Alexey Dosovitskiy , Thomas Kipf

Supervised deep learning needs a large amount of labeled data to achieve high performance. However, in medical imaging analysis, each site may only have a limited amount of data and labels, which makes learning ineffective. Federated…

图像与视频处理 · 电气工程与系统科学 2022-04-26 Yawen Wu , Dewen Zeng , Zhepeng Wang , Yiyu Shi , Jingtong Hu