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Multilinear Principal Component Analysis (MPCA) is a widely utilized method for the dimension reduction of tensor data. However, the integration of MPCA into federated learning remains unexplored in existing research. To tackle this gap,…

机器学习 · 计算机科学 2024-04-30 Chengyu Zhou , Yuqi Su , Tangbin Xia , Xiaolei Fang

Existing tensor completion formulation mostly relies on partial observations from a single tensor. However, tensors extracted from real-world data are often more complex due to: (i) Partial observation: Only a small subset (e.g., 5%) of…

数值分析 · 数学 2021-06-22 Chaoqi Yang , Navjot Singh , Cao Xiao , Cheng Qian , Edgar Solomonik , Jimeng Sun

Coupled tensor decomposition (CTD) can extract joint features from multimodal data in various applications. It can be employed for federated learning networks with data confidentiality. Federated CTD achieves data privacy protection by…

分布式、并行与集群计算 · 计算机科学 2024-03-06 Xiangtao Zhang , Eleftherios Kofidis , Ce Zhu , Le Zhang , Yipeng Liu

Panoptic lifting is an effective technique to address the 3D panoptic segmentation task by unprojecting 2D panoptic segmentations from multi-views to 3D scene. However, the quality of its results largely depends on the 2D segmentations,…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Runsong Zhu , Shi Qiu , Qianyi Wu , Ka-Hei Hui , Pheng-Ann Heng , Chi-Wing Fu

Gaussian mixture models (GMMs) are fundamental tools in statistical and data sciences. We study the moments of multivariate Gaussians and GMMs. The $d$-th moment of an $n$-dimensional random variable is a symmetric $d$-way tensor of size…

机器学习 · 统计学 2022-03-23 João M. Pereira , Joe Kileel , Tamara G. Kolda

Tensor train (TT) factorization and corresponding TT rank, which can well express the low-rankness and mode correlations of higher-order tensors, have attracted much attention in recent years. However, TT factorization based methods are…

图像与视频处理 · 电气工程与系统科学 2022-05-09 Gaohang Yu , Shaochun Wan , Liqun Qi , Yanwei Xu

Probabilistic Latent Tensor Factorization (PLTF) is a recently proposed probabilistic framework for modelling multi-way data. Not only the common tensor factorization models but also any arbitrary tensor factorization structure can be…

统计计算 · 统计学 2014-09-30 Beyza Ermis , Y. Kenan Yılmaz , A. Taylan Cemgil , Evrim Acar

The Canonical Polyadic decomposition (CPD) is a convenient and intuitive tool for tensor factorization; however, for higher-order tensors, it often exhibits high computational cost and permutation of tensor entries, these undesirable…

数值分析 · 计算机科学 2018-09-05 Anh-Huy Phan , Andrzej Cichocki , Ivan Oseledets , Salman Ahmadi Asl , Giuseppe Calvi , Danilo Mandic

Tensor sparse modeling as a promising approach, in the whole of science and engineering has been a huge success. As is known to all, various data in practical application are often generated by multiple factors, so the use of tensors to…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Hongbing Zhang , Xinyi Liu , Hongtao Fan , Yajing Li , Yinlin Ye

High-dimensional partial-differential equations (PDEs) arise in a number of fields of science and engineering, where they are used to describe the evolution of joint probability functions. Their examples include the Boltzmann and…

数值分析 · 数学 2018-10-17 A. M. P. Boelens , D. Venturi , D. M. Tartakovsky

As a crucial innovation paradigm, technology convergence (TC) is gaining ever-increasing attention. Yet, existing studies primarily focus on predicting TC at the industry level, with little attention paid to TC forecast for firm-specific…

信息检索 · 计算机科学 2026-04-02 Fu Gu , Ao Chen , Yingwen Wu

The vast majority of current machine learning algorithms are designed to predict single responses or a vector of responses, yet many types of response are more naturally organized as matrices or higher-order tensor objects where…

机器学习 · 统计学 2016-12-23 Nathan H Lazar , Mehmet Gönen , Kemal Sönmez

We study the problem of learning Gaussian Mixture Models (GMMs) and ask: which structural properties govern their sample complexity? Prior work has largely tied this complexity to the minimum pairwise separation between components, but we…

机器学习 · 计算机科学 2025-08-06 Farzad Aryan

Tensor Factor Models (TFM) are appealing dimension reduction tools for high-order large-dimensional tensor time series, and have wide applications in economics, finance and medical imaging. In this paper, we propose a projection estimator…

统计方法学 · 统计学 2025-03-03 Matteo Barigozzi , Yong He , Lingxiao Li , Lorenzo Trapani

We propose a set of convex low rank inducing norms for a coupled matrices and tensors (hereafter coupled tensors), which shares information between matrices and tensors through common modes. More specifically, we propose a mixture of the…

机器学习 · 统计学 2018-06-15 Kishan Wimalawarne , Makoto Yamada , Hiroshi Mamitsuka

Tensor-network techniques have enjoyed outstanding success in physics, and have recently attracted attention in machine learning, both as a tool for the formulation of new learning algorithms and for enhancing the mathematical understanding…

机器学习 · 计算机科学 2019-12-02 Ivan Glasser , Ryan Sweke , Nicola Pancotti , Jens Eisert , J. Ignacio Cirac

This paper is concerned with the approximation of tensors using tree-based tensor formats, which are tensor networks whose graphs are dimension partition trees. We consider Hilbert tensor spaces of multivariate functions defined on a…

数值分析 · 数学 2019-09-11 Anthony Nouy

Factorial clustering methods have been developed in recent years thanks to the improving of computational power. These methods perform a linear transformation of data and a clustering on transformed data optimizing a common criterion.…

统计理论 · 数学 2012-07-05 Mireille Gettler Summa , Francesco Palumbo , Cristina Tortora

By representing documents as mixtures of topics, topic modeling has allowed the successful analysis of datasets across a wide spectrum of applications ranging from ecology to genetics. An important body of recent work has demonstrated the…

统计理论 · 数学 2025-01-03 Yating Liu , Claire Donnat

The decoupling of multivariate functions is a powerful modeling paradigm for learning multivariate input-output relations from data. For the single-layer case, established CPD-based methods are available, but the multi-layer case remained…

系统与控制 · 电气工程与系统科学 2026-04-14 Joppe De Jonghe , Konstantin Usevich , Philippe Dreesen , Mariya Ishteva