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In this paper, we investigate the unsupervised deep representation learning issue and technically propose a novel framework called Deep Self-representative Concept Factorization Network (DSCF-Net), for clustering deep features. To improve…

机器学习 · 计算机科学 2020-01-01 Yan Zhang , Zhao Zhang , Zheng Zhang , Mingbo Zhao , Li Zhang , Zhengjun Zha , Meng Wang

Distributed deep learning systems (DDLS) train deep neural network models by utilizing the distributed resources of a cluster. Developers of DDLS are required to make many decisions to process their particular workloads in their chosen…

分布式、并行与集群计算 · 计算机科学 2020-07-09 Matthias Langer , Zhen He , Wenny Rahayu , Yanbo Xue

In object re-identification (ReID), the development of deep learning techniques often involves model updates and deployment. It is unbearable to re-embedding and re-index with the system suspended when deploying new models. Therefore,…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Shengsen Wu , Liang Chen , Yihang Lou , Yan Bai , Tao Bai , Minghua Deng , Lingyu Duan

Contrastive learning (CL) can learn generalizable feature representations and achieve the state-of-the-art performance of downstream tasks by finetuning a linear classifier on top of it. However, as adversarial robustness becomes vital in…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Lijie Fan , Sijia Liu , Pin-Yu Chen , Gaoyuan Zhang , Chuang Gan

Deep clustering has shown its promising capability in joint representation learning and clustering via deep neural networks. Despite the significant progress, the existing deep clustering works mostly utilize some distribution-based…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Yuankun Xu , Dong Huang , Chang-Dong Wang , Jian-Huang Lai

Deep clustering against self-supervised learning is a very important and promising direction for unsupervised visual representation learning since it requires little domain knowledge to design pretext tasks. However, the key component,…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Weijie Chen , Shiliang Pu , Di Xie , Shicai Yang , Yilu Guo , Luojun Lin

Federated Learning (FL) enables collaborative model training across distributed clients without sharing raw data, yet its performance deteriorates under statistical heterogeneity. Clustered Federated Learning addresses this challenge by…

机器学习 · 计算机科学 2026-05-01 Mahad Ali , Laura J. Brattain

Decision-Focused Learning (DFL) is an emerging learning paradigm that tackles the task of training a machine learning (ML) model to predict missing parameters of an incomplete optimization problem, where the missing parameters are…

机器学习 · 计算机科学 2025-06-23 Yehya Farhat

Recently the deep learning has shown its advantage in representation learning and clustering for time series data. Despite the considerable progress, the existing deep time series clustering approaches mostly seek to train the deep neural…

机器学习 · 计算机科学 2023-01-02 Ying Zhong , Dong Huang , Chang-Dong Wang

Self-supervised learning (SSL) has recently achieved great success in mining the user-item interactions for collaborative filtering. As a major paradigm, contrastive learning (CL) based SSL helps address data sparsity in Web platforms by…

信息检索 · 计算机科学 2024-02-20 Dan Zhang , Yangliao Geng , Wenwen Gong , Zhongang Qi , Zhiyu Chen , Xing Tang , Ying Shan , Yuxiao Dong , Jie Tang

The task of clustering unlabeled time series and sequences entails a particular set of challenges, namely to adequately model temporal relations and variable sequence lengths. If these challenges are not properly handled, the resulting…

机器学习 · 统计学 2019-02-19 Daniel J. Trosten , Andreas S. Strauman , Michael Kampffmeyer , Robert Jenssen

Distribution shifts between training and testing samples frequently occur in practice and impede model generalization performance. This crucial challenge thereby motivates studies on domain generalization (DG), which aim to predict the…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Tianxin Wei , Yifan Chen , Xinrui He , Wenxuan Bao , Jingrui He

Unsupervised deep learning is one of the most powerful representation learning techniques. Restricted Boltzman machine, sparse coding, regularized auto-encoders, and convolutional neural networks are pioneering building blocks of deep…

机器学习 · 计算机科学 2014-01-06 Xiao-Lei Zhang

Self-supervised learning is well known for its remarkable performance in representation learning and various downstream computer vision tasks. Recently, Positive-pair-Only Contrastive Learning (POCL) has achieved reliable performance…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Jinfeng Wang , Sifan Song , Jionglong Su , S. Kevin Zhou

Federated learning is a distributed machine learning paradigm through centralized model aggregation. However, standard federated learning relies on a centralized server, making it vulnerable to server failures. While existing solutions…

分布式、并行与集群计算 · 计算机科学 2025-10-03 Hongliang Zhang , Fenghua Xu , Zhongyuan Yu , Shanchen Pang , Chunqiang Hu , Jiguo Yu

Clustering is a fundamental task in data analysis. Recently, deep clustering, which derives inspiration primarily from deep learning approaches, achieves state-of-the-art performance and has attracted considerable attention. Current deep…

机器学习 · 计算机科学 2020-02-13 Deyu Bo , Xiao Wang , Chuan Shi , Meiqi Zhu , Emiao Lu , Peng Cui

Clustering is a widely used unsupervised learning technique involving an intensive discrete optimization problem. Associative Memory models or AMs are differentiable neural networks defining a recursive dynamical system, which have been…

机器学习 · 计算机科学 2023-06-07 Bishwajit Saha , Dmitry Krotov , Mohammed J. Zaki , Parikshit Ram

Multimodal Contrastive Learning (MCL) advances in aligning different modalities and generating multimodal representations in a joint space. By leveraging contrastive learning across diverse modalities, large-scale multimodal data enhances…

机器学习 · 计算机科学 2025-09-23 Xiaohao Liu , Xiaobo Xia , See-Kiong Ng , Tat-Seng Chua

Contrastive Learning (CL) has emerged as a powerful method for training feature extraction models using unlabeled data. Recent studies suggest that incorporating a linear projection head post-backbone significantly enhances model…

机器学习 · 计算机科学 2024-10-08 Huanran Li , Daniel Pimentel-Alarcón

We present a unified theoretical framework connecting the first property of Deep Neural Collapse (DNC1) to the emergence of implicit low-rank bias in nonlinear networks trained with $L^2$ weight decay regularization. Our main contributions…

机器学习 · 计算机科学 2026-02-12 Emanuele Zangrando , Piero Deidda , Simone Brugiapaglia , Nicola Guglielmi , Francesco Tudisco