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Current supervised cross-domain image retrieval methods can achieve excellent performance. However, the cost of data collection and labeling imposes an intractable barrier to practical deployment in real applications. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Conghui Hu , Gim Hee Lee

Contrastive learning has moved the state of the art for many tasks in computer vision and information retrieval in recent years. This poster is the first work that applies supervised contrastive learning to the task of product matching in…

Machine Learning · Computer Science 2022-05-03 Ralph Peeters , Christian Bizer

Semantic segmentation of remote sensing (RS) images is a challenging yet essential task with broad applications. While deep learning, particularly supervised learning with large-scale labeled datasets, has significantly advanced this field,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Bin Wang , Fei Deng , Shuang Wang , Wen Luo , Zhixuan Zhang , Peifan Jiang

Human gesture recognition with Radio Frequency (RF) signals has attained acclaim due to the omnipresence, privacy protection, and broad coverage nature of RF signals. These gesture recognition systems rely on neural networks trained with a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Bin-Bin Zhang , Dongheng Zhang , Yadong Li , Yang Hu , Yan 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…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Kumar Ayush , Burak Uzkent , Chenlin Meng , Kumar Tanmay , Marshall Burke , David Lobell , Stefano Ermon

Although deep convolutional networks have achieved great performance in face recognition tasks, the challenge of domain discrepancy still exists in real world applications. Lack of domain coverage of training data (source domain) makes the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Chun-Hsien Lin , Bing-Fei Wu

Adapting machine learning models to medical time series across different domains remains a challenge due to complex temporal dependencies and dynamic distribution shifts. Current approaches often focus on isolated feature representations,…

Machine Learning · Computer Science 2025-09-23 YongKyung Oh , Alex Bui

Self-supervised contrastive learning is an effective approach for addressing the challenge of limited labelled data. This study builds upon the previously established two-stage patch-level, multi-label classification method for…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Salma Haidar , José Oramas

Training image-based object detectors presents formidable challenges, as it entails not only the complexities of object detection but also the added intricacies of precisely localizing objects within potentially diverse and noisy…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Chandan Kumar , Jansel Herrera-Gerena , John Just , Matthew Darr , Ali Jannesari

Despite the remarkable advances in deep learning technology, achieving satisfactory performance in lung sound classification remains a challenge due to the scarcity of available data. Moreover, the respiratory sound samples are collected…

Sound · Computer Science 2023-12-18 June-Woo Kim , Sangmin Bae , Won-Yang Cho , Byungjo Lee , Ho-Young Jung

As a promising non-password authentication technology, radio frequency (RF) fingerprinting can greatly improve wireless security. Recent work has shown that RF fingerprinting based on deep learning can significantly outperform conventional…

Signal Processing · Electrical Eng. & Systems 2023-05-01 Weidong Wang , Cheng Luo , Jiancheng An , Lu Gan , Hongshu Liao , Chau Yuen

Recent contrastive methods show significant improvement in self-supervised learning in several domains. In particular, contrastive methods are most effective where data augmentation can be easily constructed e.g. in computer vision.…

Machine Learning · Computer Science 2021-12-09 Konstantinos Kallidromitis , Denis Gudovskiy , Kazuki Kozuka , Iku Ohama , Luca Rigazio

The pursuit of learning robust representations without human supervision is a longstanding challenge. The recent advancements in self-supervised contrastive learning approaches have demonstrated high performance across various…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Ozgu Goksu , Nicolas Pugeault

Contrastive learning has recently demonstrated superior performance to supervised learning, despite requiring no training labels. We explore how contrastive learning can be applied to hundreds of thousands of unlabeled Mars terrain images,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Isaac Ronald Ward , Charles Moore , Kai Pak , Jingdao Chen , Edwin Goh

Deep learning techniques have achieved great success in remote sensing image change detection. Most of them are supervised techniques, which usually require large amounts of training data and are limited to a particular application.…

Image and Video Processing · Electrical Eng. & Systems 2021-10-11 Yuxing Chen , Lorenzo Bruzzone

RF data-driven device fingerprinting through the use of deep learning has recently surfaced as a possible method for enabling secure device identification and authentication. Traditional approaches are commonly susceptible to the domain…

Cryptography and Security · Computer Science 2024-02-16 Benjamin Johnson , Bechir Hamdaoui

Self-supervised representation learning has made significant leaps fueled by progress in contrastive learning, which seeks to learn transformations that embed positive input pairs nearby, while pushing negative pairs far apart. While…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Tri Huynh , Simon Kornblith , Matthew R. Walter , Michael Maire , Maryam Khademi

Object Detection, a fundamental computer vision problem, has paramount importance in smart camera systems. However, a truly reliable camera system could be achieved if and only if the underlying object detection component is robust enough…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Ujjal Kr Dutta

Self-supervised representation learning is a critical problem in computer vision, as it provides a way to pretrain feature extractors on large unlabeled datasets that can be used as an initialization for more efficient and effective…

Computer Vision and Pattern Recognition · Computer Science 2020-12-25 Yunze Liu , Li Yi , Shanghang Zhang , Qingnan Fan , Thomas Funkhouser , Hao Dong

While unsupervised change detection using contrastive learning has been significantly improved the performance of literature techniques, at present, it only focuses on the bi-temporal change detection scenario. Previous state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Yuxing Chen , Lorenzo Bruzzone