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We introduce the probabilistic sequential matrix factorization (PSMF) method for factorizing time-varying and non-stationary datasets consisting of high-dimensional time-series. In particular, we consider nonlinear Gaussian state-space…

There is growing interest in multi-label image classification due to its critical role in web-based image analytics-based applications, such as large-scale image retrieval and browsing. Matrix completion has recently been introduced as a…

机器学习 · 统计学 2019-04-09 Yong Luo , Tongliang Liu , Dacheng Tao , Chao Xu

Medical vision foundation models remain limited in downstream tasks, particularly volumetric medical image segmentation. While fine-tuning on labeled target-domain data improves performance, existing approaches typically rely on randomly…

图像与视频处理 · 电气工程与系统科学 2026-05-07 Jin Yang , Daniel S. Marcus , Aristeidis Sotiras

Non-negative matrix factorization (NMF) has previously been shown to be a useful decomposition for multivariate data. We interpret the factorization in a new way and use it to generate missing attributes from test data. We provide a joint…

数值分析 · 计算机科学 2010-07-05 Mithun Das Gupta

Dimensionality Reduction is a commonly used element in a machine learning pipeline that helps to extract important features from high-dimensional data. In this work, we explore an alternative federated learning system that enables…

机器学习 · 计算机科学 2020-11-16 Anna Bogdanova , Akie Nakai , Yukihiko Okada , Akira Imakura , Tetsuya Sakurai

Learning from multimodal datasets can leverage complementary information and improve performance in prediction tasks. A commonly used strategy to account for feature correlations in high-dimensional datasets is the latent variable approach.…

机器学习 · 计算机科学 2024-10-01 Lingchao Mao , Qi wang , Yi Su , Fleming Lure , Jing Li

Referring back to the original text in the course of hierarchical learning is a common human trait that ensures the right direction of learning. The models developed based on the concept of Non-negative Matrix Factorization (NMF), in this…

机器学习 · 计算机科学 2024-05-24 Prasun Dutta , Rajat K. De

As the multi-view data grows in the real world, multi-view clus-tering has become a prominent technique in data mining, pattern recognition, and machine learning. How to exploit the relation-ship between different views effectively using…

机器学习 · 计算机科学 2019-08-14 Zhaohong Deng , Chen Cui , Peng Xu , Ling Liang , Haoran Chen , Te Zhang , Shitong Wang

Multi-view clustering methods have been a focus in recent years because of their superiority in clustering performance. However, typical traditional multi-view clustering algorithms still have shortcomings in some aspects, such as removal…

机器学习 · 计算机科学 2020-08-25 Junpeng Tan , Yukai Shi , Zhijing Yang , Caizhen Wen , Liang Lin

Distributed machine learning has been widely studied in the literature to scale up machine learning model training in the presence of an ever-increasing amount of data. We study distributed machine learning from another perspective, where…

分布式、并行与集群计算 · 计算机科学 2019-05-16 Yaochen Hu , Di Niu , Jianming Yang , Shengping Zhou

The lack of fine-grained 3D shape segmentation data is the main obstacle to developing learning-based 3D segmentation techniques. We propose an effective semi-supervised method for learning 3D segmentations from a few labeled 3D shapes and…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Chun-Yu Sun , Yu-Qi Yang , Hao-Xiang Guo , Peng-Shuai Wang , Xin Tong , Yang Liu , Heung-Yeung Shum

The advancement of deep learning has greatly improved supervised image classification. However, labeling data is costly, prompting research into unsupervised learning methods such as contrastive learning. In real-world scenarios, fully…

人工智能 · 计算机科学 2026-01-09 Shogo Nakayama , Masahiro Okuda

Federated learning (FL) is a recently proposed distributed machine learning paradigm dealing with distributed and private data sets. Based on the data partition pattern, FL is often categorized into horizontal, vertical, and hybrid…

机器学习 · 计算机科学 2021-02-19 Xinwei Zhang , Wotao Yin , Mingyi Hong , Tianyi Chen

Multi-view clustering is an important and fundamental problem. Many multi-view subspace clustering methods have been proposed, and most of them assume that all views share a same coefficient matrix. However, the underlying information of…

机器学习 · 计算机科学 2021-03-25 Qinghai Zheng , Jihua Zhu , Zhiqiang Tian , Zhongyu Li , Shanmin Pang , Xiuyi Jia

Federated multi-view clustering has the potential to learn a global clustering model from data distributed across multiple devices. In this setting, label information is unknown and data privacy must be preserved, leading to two major…

机器学习 · 计算机科学 2023-09-26 Xinyue Chen , Jie Xu , Yazhou Ren , Xiaorong Pu , Ce Zhu , Xiaofeng Zhu , Zhifeng Hao , Lifang He

Multi-view data is ever more apparent as methods for production, collection and storage of data become more feasible both practically and fiscally. However, not all features are relevant to describe the patterns for all individuals.…

统计方法学 · 统计学 2026-03-13 Ella S. C. Orme , Theodoulos Rodosthenous , Marina Evangelou

In this paper, we present a semi-supervised fine-tuning approach designed to improve the performance of pre-trained foundation models on downstream tasks with limited labeled data. By leveraging content-style decomposition within an…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Mariia Drozdova , Vitaliy Kinakh , Yury Belousov , Erica Lastufka , Slava Voloshynovskiy

Simplex-structured matrix factorization (SSMF) is a generalization of nonnegative matrix factorization, a fundamental interpretable data analysis model, and has applications in hyperspectral unmixing and topic modeling. To obtain…

数值分析 · 数学 2025-01-10 Maryam Abdolali , Giovanni Barbarino , Nicolas Gillis

Part-based image classification aims at representing categories by small sets of learned discriminative parts, upon which an image representation is built. Considered as a promising avenue a decade ago, this direction has been neglected…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Ronan Sicre , Yannis Avrithis , Ewa Kijak , Frederic Jurie

Significant progress has been witnessed in learning-based Multi-view Stereo (MVS) under supervised and unsupervised settings. To combine their respective merits in accuracy and completeness, meantime reducing the demand for expensive…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Hongbin Xu , Weitao Chen , Yang Liu , Zhipeng Zhou , Haihong Xiao , Baigui Sun , Xuansong Xie , Wenxiong Kang
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