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In recent years, self-supervised learning has emerged as a promising approach in addressing the issues of label dependency and poor generalization performance in traditional GNNs. However, existing self-supervised methods have limited…

机器学习 · 计算机科学 2023-08-01 Mengyi Yuan , Minjie Chen , Xiang Li

Feature selection has been proven a powerful preprocessing step for high-dimensional data analysis. However, most state-of-the-art methods tend to overlook the structural correlation information between pairwise samples, which may…

机器学习 · 计算机科学 2019-07-02 Lu Bai , Lixin Cui , Yue Wang , Philip S. Yu , Edwin R. Hancock

The major challenge in audio-visual event localization task lies in how to fuse information from multiple modalities effectively. Recent works have shown that attention mechanism is beneficial to the fusion process. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Bin Duan , Hao Tang , Wei Wang , Ziliang Zong , Guowei Yang , Yan Yan

Collecting multiple types of data on the same set of subjects is common in modern scientific applications including, genomics, metabolomics, and neuroimaging. Joint and Individual Variance Explained (JIVE) seeks a low-rank approximation of…

机器学习 · 统计学 2026-03-16 Raphiel J. Murden , Ganzhong Tian , Deqiang Qiu , Benajmin B. Risk

One of the most promising approaches for unsupervised learning is combining deep representation learning and deep clustering. Some recent works propose to simultaneously learn representation using deep neural networks and perform clustering…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Mina Rezaei , Emilio Dorigatti , David Ruegamer , Bernd Bischl

In many critical computer vision scenarios unlabeled data is plentiful, but labels are scarce and difficult to obtain. As a result, semi-supervised learning which leverages unlabeled data to boost the performance of supervised classifiers…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Jay C. Rothenberger , Dimitrios I. Diochnos

Multi-view feature extraction is an efficient approach for alleviating the issue of dimensionality in highdimensional multi-view data. Contrastive learning (CL), which is a popular self-supervised learning method, has recently attracted…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Hongjie Zhang

We introduce Cluster Contrast (CueCo), a novel approach to unsupervised visual representation learning that effectively combines the strengths of contrastive learning and clustering methods. Inspired by recent advancements, CueCo is…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Nikolaos Giakoumoglou , Tania Stathaki

In this paper we propose a strategy for semi-supervised image classification that leverages unsupervised representation learning and co-training. The strategy, that is called CURL from Co-trained Unsupervised Representation Learning,…

机器学习 · 计算机科学 2015-09-14 Simone Bianco , Gianluigi Ciocca , Claudio Cusano

In modern biomedical research, it is ubiquitous to have multiple data sets measured on the same set of samples from different views (i.e., multi-view data). For example, in genetic studies, multiple genomic data sets at different molecular…

统计方法学 · 统计学 2017-03-20 Gen Li , Sungkyu Jung

Multi-view representation learning has developed rapidly over the past decades and has been applied in many fields. However, most previous works assumed that each view is complete and aligned. This leads to an inevitable deterioration in…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Yiming Wang , Dongxia Chang , Zhiqiang Fu , Jie Wen , Yao Zhao

In a typical supervised machine learning setting, the predictions on all test instances are based on a common subset of features discovered during model training. However, using a different subset of features that is most informative for…

机器学习 · 计算机科学 2021-06-10 Yasitha Warahena Liyanage , Daphney-Stavroula Zois , Charalampos Chelmis

Aiming at improving performance of visual classification in a cost-effective manner, this paper proposes an incremental semi-supervised learning paradigm called Deep Co-Space (DCS). Unlike many conventional semi-supervised learning methods…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Ziliang Chen , Keze Wang , Xiao Wang , Pai Peng , Ebroul Izquierdo , Liang Lin

Multi-view clustering has attracted much attention thanks to the capacity of multi-source information integration. Although numerous advanced methods have been proposed in past decades, most of them generally overlook the significance of…

计算机视觉与模式识别 · 计算机科学 2023-05-08 Rui Chen , Yongqiang Tang , Wensheng Zhang , Wenlong Feng

Multi-view data, that is matched sets of measurements on the same subjects, have become increasingly common with advances in multi-omics technology. Often, it is of interest to find associations between the views that are related to the…

机器学习 · 统计学 2020-10-02 Yunfeng Zhang , Irina Gaynanova

In this paper, we focus on the unsupervised multi-view feature selection which tries to handle high dimensional data in the field of multi-view learning. Although some graph-based methods have achieved satisfactory performance, they ignore…

机器学习 · 计算机科学 2021-04-13 Qi Wang , Xu Jiang , Mulin Chen , Xuelong Li

Data curation is an essential component of large-scale pretraining. In this work, we demonstrate that jointly selecting batches of data is more effective for learning than selecting examples independently. Multimodal contrastive objectives…

机器学习 · 计算机科学 2024-06-26 Talfan Evans , Nikhil Parthasarathy , Hamza Merzic , Olivier J. Henaff

Unsupervised feature selection (UFS) has recently gained attention for its effectiveness in processing unlabeled high-dimensional data. However, existing methods overlook the intrinsic causal mechanisms within the data, resulting in the…

机器学习 · 计算机科学 2025-01-28 Zongxin Shen , Yanyong Huang , Dongjie Wang , Minbo Ma , Fengmao Lv , Tianrui Li

While personalized text-to-image generation has enabled the learning of a single concept from multiple images, a more practical yet challenging scenario involves learning multiple concepts within a single image. However, existing works…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Shaozhe Hao , Kai Han , Zhengyao Lv , Shihao Zhao , Kwan-Yee K. Wong

In this paper, we propose the $K$-Shot Contrastive Learning (KSCL) of visual features by applying multiple augmentations to investigate the sample variations within individual instances. It aims to combine the advantages of inter-instance…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Haohang Xu , Hongkai Xiong , Guo-Jun Qi