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High-quality labeled datasets are essential for deep learning. Traditional manual annotation methods are not only costly and inefficient but also pose challenges in specialized domains where expert knowledge is needed. Self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Zhaocong liu , Fa Zhang , Lin Cheng , Huanxi Deng , Xiaoyan Yang , Zhenyu Zhang , Chichun Zhou

The dynamic nature of open-world scenarios has attracted more attention to class incremental learning (CIL). However, existing CIL methods typically presume the availability of complete ground-truth labels throughout the training process,…

Machine Learning · Computer Science 2024-08-20 Jiaming Liu , Hongyuan Liu , Zhili Qin , Wei Han , Yulu Fan , Qinli Yang , Junming Shao

Recently, clustering with deep network framework has attracted attention of several researchers in the computer vision community. Deep framework gains extensive attention due to its efficiency and scalability towards large-scale and…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Jayasree Saha , Jayanta Mukhopadhyay

Self-Supervised Learning (SSL) has become a prominent approach for acquiring visual representations across various tasks, yet its application in fine-grained visual recognition (FGVR) is challenged by the intricate task of distinguishing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zihu Wang , Lingqiao Liu , Scott Ricardo Figueroa Weston , Samuel Tian , Peng Li

Unsupervised image representations have significantly reduced the gap with supervised pretraining, notably with the recent achievements of contrastive learning methods. These contrastive methods typically work online and rely on a large…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Mathilde Caron , Ishan Misra , Julien Mairal , Priya Goyal , Piotr Bojanowski , Armand Joulin

Few-shot class-incremental learning (FSCIL) presents the primary challenge of balancing underfitting to a new session's task and forgetting the tasks from previous sessions. To address this challenge, we develop a simple yet powerful…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 In-Ug Yoon , Tae-Min Choi , Young-Min Kim , Jong-Hwan Kim

Convolutional networks have marked their place over the last few years as the best performing model for various visual tasks. They are, however, most suited for supervised learning from large amounts of labeled data. Previous attempts have…

Machine Learning · Statistics 2016-11-23 Elad Hoffer , Itay Hubara , Nir Ailon

Existing Multi-view Clustering (MVC) methods based on subspace learning focus on consensus representation learning while neglecting the inherent topological structure of data. Despite the integration of Graph Neural Networks (GNNs) into…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Chenping Pei , Fadi Dornaika , Jingjun Bi

Recommender systems are widely deployed in various web environments, and self-supervised learning (SSL) has recently attracted significant attention in this field. Contrastive learning (CL) stands out as a major SSL paradigm due to its…

Information Retrieval · Computer Science 2025-01-17 Yu Zhang , Lei Sang , Yi Zhang , Yiwen Zhang , Yun Yang

Unsupervised visible-infrared person re-identification (USL-VI-ReID) seeks to match pedestrian images of the same individual across different modalities without human annotations for model learning. Previous methods unify pseudo-labels of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 De Cheng , Lingfeng He , Nannan Wang , Dingwen Zhang , Xinbo Gao

Unsupervised person re-identification (ReID) aims to train a feature extractor for identity retrieval without exploiting identity labels. Due to the blind trust in imperfect clustering results, the learning is inevitably misled by…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Yunqi Miao , Jiankang Deng , Guiguang Ding , Jungong Han

Advances in high resolution remote sensing image analysis are currently hampered by the difficulty of gathering enough annotated data for training deep learning methods, giving rise to a variety of small datasets and associated…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Dimitri Gominski , Valérie Gouet-Brunet , Liming Chen

Existing person re-identification (ReID) methods typically directly load the pre-trained ImageNet weights for initialization. However, as a fine-grained classification task, ReID is more challenging and exists a large domain gap between…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Zizheng Yang , Xin Jin , Kecheng Zheng , Feng Zhao

Cross-spectral biometrics, such as matching imagery of faces or persons from visible (RGB) and infrared (IR) bands, have rapidly advanced over the last decade due to increasing sensitivity, size, quality, and ubiquity of IR focal plane…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Kshitij Nikhal , Cedric Nimpa Fondje , Benjamin S. Riggan

This paper considers the problem of unsupervised person re-identification (re-ID), which aims to learn discriminative models with unlabeled data. One popular method is to obtain pseudo-label by clustering and use them to optimize the model.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Fengxiang Yang , Zhun Zhong , Zhiming Luo , Yuanzheng Cai , Yaojin Lin , Shaozi Li , Nicu Sebe

Unsupervised visual representation learning remains a largely unsolved problem in computer vision research. Among a big body of recently proposed approaches for unsupervised learning of visual representations, a class of self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2019-01-28 Alexander Kolesnikov , Xiaohua Zhai , Lucas Beyer

Fine-Grained Visual Recognition (FGVR) tackles the problem of distinguishing highly similar categories. One of the main approaches to FGVR, namely subset learning, tries to leverage information from existing class taxonomies to improve the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Pablo Villacorta , Jesús M. Rodríguez-de-Vera , Marc Bolaños , Ignacio Sarasúa , Bhalaji Nagarajan , Petia Radeva

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…

Computation and Language · Computer Science 2021-09-20 Haoxiang Shi , Cen Wang

Supervised learning of convolutional neural networks (CNNs) can require very large amounts of labeled data. Labeling thousands or millions of training examples can be extremely time consuming and costly. One direction towards addressing…

Computer Vision and Pattern Recognition · Computer Science 2017-07-27 Amir Ghaderi , Vassilis Athitsos

In this paper, we address a highly challenging yet critical task: unsupervised long-term person re-identification with clothes change. Existing unsupervised person re-id methods are mainly designed for short-term scenarios and usually rely…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Mingkun Li , Peng Xu , Chun-Guang Li , Jun Guo