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In this work, we propose a novel methodology for self-supervised learning for generating global and local attention-aware visual features. Our approach is based on training a model to differentiate between specific image transformations of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Trung X. Pham , Rusty John Lloyd Mina , Dias Issa , Chang D. Yoo

The objective of this paper is visual-only self-supervised video representation learning. We make the following contributions: (i) we investigate the benefit of adding semantic-class positives to instance-based Info Noise Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-01-13 Tengda Han , Weidi Xie , Andrew Zisserman

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…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Zhanyuan Yang , Jinghua Wang , Yingying Zhu

Sample contrastive methods, typically referred to simply as contrastive are the foundation of most unsupervised methods to learn text and sentence embeddings. On the other hand, a different class of self-supervised loss functions and…

Computation and Language · Computer Science 2023-10-30 Marco Farina , Duccio Pappadopulo

Supervised deep learning-based methods yield accurate results for medical image segmentation. However, they require large labeled datasets for this, and obtaining them is a laborious task that requires clinical expertise.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Krishna Chaitanya , Ertunc Erdil , Neerav Karani , Ender Konukoglu

Transformer has been widely used for self-supervised pre-training in Natural Language Processing (NLP) and achieved great success. However, it has not been fully explored in visual self-supervised learning. Meanwhile, previous methods only…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zhaowen Li , Zhiyang Chen , Fan Yang , Wei Li , Yousong Zhu , Chaoyang Zhao , Rui Deng , Liwei Wu , Rui Zhao , Ming Tang , Jinqiao Wang

An effective technique for obtaining high-quality representations is adding a projection head on top of the encoder during training, then discarding it and using the pre-projection representations. Despite its proven practical…

Machine Learning · Computer Science 2024-03-19 Yihao Xue , Eric Gan , Jiayi Ni , Siddharth Joshi , Baharan Mirzasoleiman

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…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Shentong Mo , Zhun Sun , Chao Li

Image translation with convolutional neural networks has recently been used as an approach to multimodal change detection. Existing approaches train the networks by exploiting supervised information of the change areas, which, however, is…

Transformer-based architectures have become a dominant paradigm in vision and language, but their success is often attributed to large model capacity and massive training data. In this work, we examine how self-supervised pre-training,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Oli Bridge , Huey Sun , Botond Branyicskai-Nagy , Charles D'Ornano , Shomit Basu

Self-supervised learning is showing great promise for monocular depth estimation, using geometry as the only source of supervision. Depth networks are indeed capable of learning representations that relate visual appearance to 3D properties…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Vitor Guizilini , Rui Hou , Jie Li , Rares Ambrus , Adrien Gaidon

Recently, significant advancements in artificial intelligence have been attributed to the integration of self-supervised learning (SSL) scheme. While SSL has shown impressive achievements in natural language processing (NLP), its progress…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Shervin Halat , Mohammad Rahmati , Ehsan Nazerfard

We present a novel approach to unsupervised learning for video object segmentation (VOS). Unlike previous work, our formulation allows to learn dense feature representations directly in a fully convolutional regime. We rely on uniform grid…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Nikita Araslanov , Simone Schaub-Meyer , Stefan Roth

In this paper we propose an unsupervised feature extraction method to capture temporal information on monocular videos, where we detect and encode subject of interest in each frame and leverage contrastive self-supervised (CSS) learning to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Sina Honari , Victor Constantin , Helge Rhodin , Mathieu Salzmann , Pascal Fua

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

The self-supervised contrastive learning strategy has attracted considerable attention due to its exceptional ability in representation learning. However, current contrastive learning tends to learn global coarse-grained representations of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Jialu Shi , Zhiqiang Wei , Jie Nie , Lei Huang

Recent progress has shown that large-scale pre-training using contrastive image-text pairs can be a promising alternative for high-quality visual representation learning from natural language supervision. Benefiting from a broader source of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Yongming Rao , Wenliang Zhao , Guangyi Chen , Yansong Tang , Zheng Zhu , Guan Huang , Jie Zhou , Jiwen Lu

Self-supervised contrastive learning is a powerful tool to learn visual representation without labels. Prior work has primarily focused on evaluating the recognition accuracy of various pre-training algorithms, but has overlooked other…

Computer Vision and Pattern Recognition · Computer Science 2022-06-13 Yuanyi Zhong , Haoran Tang , Junkun Chen , Jian Peng , Yu-Xiong Wang

Learning 3D shape representation with dense correspondence for deformable objects is a fundamental problem in computer vision. Existing approaches often need additional annotations of specific semantic domain, e.g., skeleton poses for human…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Baowen Zhang , Jiahe Li , Xiaoming Deng , Yinda Zhang , Cuixia Ma , Hongan Wang

Collecting labeled data for the task of semantic segmentation is expensive and time-consuming, as it requires dense pixel-level annotations. While recent Convolutional Neural Network (CNN) based semantic segmentation approaches have…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Xiangyun Zhao , Raviteja Vemulapalli , Philip Mansfield , Boqing Gong , Bradley Green , Lior Shapira , Ying Wu
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