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相关论文: A Contrastive Learning Approach to Auroral Identif…

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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…

机器学习 · 计算机科学 2023-12-27 Jiexi Liu , Songcan Chen

Contrastive learning methods have significantly narrowed the gap between supervised and unsupervised learning on computer vision tasks. In this paper, we explore their application to geo-located datasets, e.g. remote sensing, where…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Kumar Ayush , Burak Uzkent , Chenlin Meng , Kumar Tanmay , Marshall Burke , David Lobell , Stefano Ermon

Contrastive instance discrimination methods outperform supervised learning in downstream tasks such as image classification and object detection. However, these methods rely heavily on data augmentation during representation learning, which…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Mohammad Alkhalefi , Georgios Leontidis , Mingjun Zhong

Homography estimation between multiple aerial images can provide relative pose estimation for collaborative autonomous exploration and monitoring. The usage on a robotic system requires a fast and robust homography estimation algorithm. In…

计算机视觉与模式识别 · 计算机科学 2018-02-22 Ty Nguyen , Steven W. Chen , Shreyas S. Shivakumar , Camillo J. Taylor , Vijay Kumar

A common shortfall of supervised learning for medical imaging is the greedy need for human annotations, which is often expensive and time-consuming to obtain. This paper proposes a semi-supervised classification method for three kinds of…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Yanni Ren , Hangyu Deng , Hao Jiang , Jinglu Hu

Self-supervised visual pretraining has shown significant progress recently. Among those methods, SimCLR greatly advanced the state of the art in self-supervised and semi-supervised learning on ImageNet. The input feature representations for…

计算与语言 · 计算机科学 2021-07-06 Dongwei Jiang , Wubo Li , Miao Cao , Wei Zou , Xiangang Li

Hyperspectral images capture vast amounts of high-dimensional spectral information about a scene, making labeling an intensive task that is resistant to out-of-the-box statistical methods. Unsupervised learning of clusters allows for…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Joshua Lentz , Nicholas Karris , Alex Cloninger , James M. Murphy

Contrastive Learning (CL) is a recent representation learning approach, which encourages inter-class separability and intra-class compactness in learned image representations. Since medical images often contain multiple semantic classes in…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Prashant Pandey , Ajey Pai , Nisarg Bhatt , Prasenjit Das , Govind Makharia , Prathosh AP , Mausam

A main task in condensed-matter physics is to recognize, classify, and characterize phases of matter and the corresponding phase transitions, for which machine learning provides a new class of research tools due to the remarkable…

无序系统与神经网络 · 物理学 2024-05-17 Xiao-Qi Han , Sheng-Song Xu , Zhen Feng , Rong-Qiang He , Zhong-Yi Lu

While contrastive learning (CL) shows considerable promise in self-supervised representation learning, its deployment on resource-constrained devices remains largely underexplored. The substantial computational demands required for training…

In this paper, we introduce a novel method designed to enhance label efficiency in satellite imagery analysis by integrating semi-supervised learning (SSL) with active learning strategies. Our approach utilizes contrastive learning together…

计算机视觉与模式识别 · 计算机科学 2024-06-26 David Pogorzelski , Peter Arlinghaus , Wenyan Zhang

Contrastive learning is a promising approach to unsupervised learning, as it inherits the advantages of well-studied deep models without a dedicated and complex model design. In this paper, based on bidirectional encoder representations…

计算与语言 · 计算机科学 2021-09-20 Haoxiang Shi , Cen Wang

Contrastive learning (CL) has recently been demonstrated critical in improving recommendation performance. The underlying principle of CL-based recommendation models is to ensure the consistency between representations derived from…

信息检索 · 计算机科学 2023-06-21 Junliang Yu , Xin Xia , Tong Chen , Lizhen Cui , Nguyen Quoc Viet Hung , Hongzhi Yin

Visualization methods based on the nearest neighbor graph, such as t-SNE or UMAP, are widely used for visualizing high-dimensional data. Yet, these approaches only produce meaningful results if the nearest neighbors themselves are…

机器学习 · 计算机科学 2024-06-06 Jan Niklas Böhm , Philipp Berens , Dmitry Kobak

Reliable tools to extract patterns from high-dimensionality spaces are becoming more necessary as astronomical datasets increase both in volume and complexity. Contrastive Learning is a self-supervised machine learning algorithm that…

天体物理仪器与方法 · 物理学 2023-06-12 Marc Huertas-Company , Regina Sarmiento , Johan Knapen

Contrastive Learning (CL) has been successfully applied to classification and other downstream tasks related to concrete concepts, such as objects contained in the ImageNet dataset. No attempts seem to have been made so far in applying this…

机器学习 · 计算机科学 2025-05-30 Daniel N. Nissani

Contrastive self-supervised learning (SSL) learns an embedding space that maps similar data pairs closer and dissimilar data pairs farther apart. Despite its success, one issue has been overlooked: the fairness aspect of representations…

Neural networks have changed the way machines interpret the world. At their core, they learn by following gradients, adjusting their parameters step by step until they identify the most discriminant patterns in the data. This process gives…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Samarup Bhattacharya , Anubhab Bhattacharya , Abir Chakraborty

In Self-Supervised Learning (SSL), various pretext tasks are designed for learning feature representations through contrastive loss. However, previous studies have shown that this loss is less tolerant to semantically similar samples due to…

音频与语音处理 · 电气工程与系统科学 2023-03-07 Shanshan Wang , Soumya Tripathy , Annamaria Mesaros

Self-supervised representation learning is a fundamental problem in computer vision with many useful applications (e.g., image search, instance level recognition, copy detection). In this paper we present a new contrastive self-supervised…

计算机视觉与模式识别 · 计算机科学 2021-11-16 David Wu , Yunnan Wu
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