English
Related papers

Related papers: StarCLR: Contrastive Learning Representation for A…

200 papers

Learning universal time series representations applicable to various types of downstream tasks is challenging but valuable in real applications. Recently, researchers have attempted to leverage the success of self-supervised contrastive…

Machine Learning · Computer Science 2023-12-27 Jiexi Liu , Songcan Chen

Contrastive learning (CL) is a popular technique for self-supervised learning (SSL) of visual representations. It uses pairs of augmentations of unlabeled training examples to define a classification task for pretext learning of a deep…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Chih-Hui Ho , Nuno Vasconcelos

As an exemplary self-supervised approach for representation learning, time-series contrastive learning has exhibited remarkable advancements in contemporary research. While recent contrastive learning strategies have focused on how to…

Machine Learning · Computer Science 2024-08-27 Xiyuan Jin , Jing Wang , Lei Liu , Youfang Lin

Learning rich visual representations using contrastive self-supervised learning has been extremely successful. However, it is still a major question whether we could use a similar approach to learn superior auditory representations. In this…

Sound · Computer Science 2020-10-20 Haider Al-Tahan , Yalda Mohsenzadeh

Learning useful data representations without requiring labels is a cornerstone of modern deep learning. Self-supervised learning methods, particularly contrastive learning (CL), have proven successful by leveraging data augmentations to…

Machine Learning · Computer Science 2023-12-11 Sacha Morin , Somjit Nath , Samira Ebrahimi Kahou , Guy Wolf

Self-Supervised Contrastive Learning has proven effective in deriving high-quality representations from unlabeled data. However, a major challenge that hinders both unimodal and multimodal contrastive learning is feature suppression, a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Jihai Zhang , Xiang Lan , Xiaoye Qu , Yu Cheng , Mengling Feng , Bryan Hooi

Stellar light curves contain valuable information about oscillations and granulation, offering insights into stars' internal structures and evolutionary states. Traditional asteroseismic techniques, primarily focused on power spectral…

Solar and Stellar Astrophysics · Physics 2024-01-19 Jia-Shu Pan , Yuan-Sen Ting , Jie Yu

Unsupervised clustering aims at discovering the semantic categories of data according to some distance measured in the representation space. However, different categories often overlap with each other in the representation space at the…

Machine Learning · Computer Science 2021-06-01 Dejiao Zhang , Feng Nan , Xiaokai Wei , Shangwen Li , Henghui Zhu , Kathleen McKeown , Ramesh Nallapati , Andrew Arnold , Bing Xiang

In recent years, a variety of contrastive learning based unsupervised visual representation learning methods have been designed and achieved great success in many visual tasks. Generally, these methods can be roughly classified into four…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Wenbin Li , Meihao Kong , Xuesong Yang , Lei Wang , Jing Huo , Yang Gao , Jiebo Luo

Contrastive representation learning is crucial in time series analysis as it alleviates the issue of data noise and incompleteness as well as sparsity of supervision signal. However, existing constrastive learning frameworks usually focus…

Machine Learning · Computer Science 2024-06-26 Haozhi Gao , Qianqian Ren , Jinbao Li

We propose a framework for sequence-to-sequence contrastive learning (SeqCLR) of visual representations, which we apply to text recognition. To account for the sequence-to-sequence structure, each feature map is divided into different…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Aviad Aberdam , Ron Litman , Shahar Tsiper , Oron Anschel , Ron Slossberg , Shai Mazor , R. Manmatha , Pietro Perona

Deep learning models are modern tools for spatio-temporal graph (STG) forecasting. Though successful, we argue that data scarcity is a key factor limiting their recent improvements. Meanwhile, contrastive learning has been an effective…

Machine Learning · Computer Science 2022-11-04 Xu Liu , Yuxuan Liang , Chao Huang , Yu Zheng , Bryan Hooi , Roger Zimmermann

Contrastive Learning (CL) performances as a rising approach to address the challenge of sparse and noisy recommendation data. Although having achieved promising results, most existing CL methods only perform either hand-crafted data or…

Information Retrieval · Computer Science 2023-11-22 Xiuyuan Qin , Huanhuan Yuan , Pengpeng Zhao , Junhua Fang , Fuzhen Zhuang , Guanfeng Liu , Victor Sheng

Representation learning has significantly been developed with the advance of contrastive learning methods. Most of those methods have benefited from various data augmentations that are carefully designated to maintain their identities so…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Xiao Wang , Guo-Jun Qi

Contrastive learning has shown promising potential for learning robust representations by utilizing unlabeled data. However, constructing effective positive-negative pairs for contrastive learning on facial behavior datasets remains…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Xiang Zhang , Taoyue Wang , Xiaotian Li , Huiyuan Yang , Lijun Yin

In recent years, large language models (LLMs) have transformed natural language understanding through vast datasets and large-scale parameterization. Inspired by this success, we present SpecCLIP, a foundation model framework that extends…

Instrumentation and Methods for Astrophysics · Physics 2025-12-22 Xiaosheng Zhao , Yang Huang , Guirong Xue , Xiao Kong , Jifeng Liu , Xiaoyu Tang , Timothy C. Beers , Yuan-Sen Ting , A-Li Luo

Graph Contrastive Learning (GCL) establishes a new paradigm for learning graph representations without human annotations. Although remarkable progress has been witnessed recently, the success behind GCL is still left somewhat mysterious. In…

Machine Learning · Computer Science 2021-10-27 Yanqiao Zhu , Yichen Xu , Qiang Liu , Shu Wu

Feature quality is paramount for classification performance, particularly in few-shot scenarios. Contrastive learning, a widely adopted technique for enhancing feature quality, leverages sample relations to extract intrinsic features that…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Guowei Yin , Sheng Huang , Luwen Huangfu , Yi Zhang , Xiaohong Zhang

Self-supervised contrastive learning (CL) has achieved state-of-the-art performance in representation learning by minimizing the distance between positive pairs while maximizing that of negative ones. Recently, it has been verified that the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Jin-Young Kim , Soonwoo Kwon , Hyojun Go , Yunsung Lee , Seungtaek Choi , Hyun-Gyoon Kim

Graph-level representations are critical in various real-world applications, such as predicting the properties of molecules. But in practice, precise graph annotations are generally very expensive and time-consuming. To address this issue,…

Machine Learning · Computer Science 2022-07-26 Shuai Lin , Pan Zhou , Zi-Yuan Hu , Shuojia Wang , Ruihui Zhao , Yefeng Zheng , Liang Lin , Eric Xing , Xiaodan Liang