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Randomized sketches of a tensor product of $p$ vectors follow a tradeoff between statistical efficiency and computational acceleration. Commonly used approaches avoid computing the high-dimensional tensor product explicitly, resulting in a…

机器学习 · 统计学 2023-05-02 Jonas Wacker , Ruben Ohana , Maurizio Filippone

This paper introduces a new multivariate convolutional sparse coding based on tensor algebra with a general model enforcing both element-wise sparsity and low-rankness of the activations tensors. By using the CP decomposition, this model…

机器学习 · 统计学 2019-08-12 Pierre Humbert , Julien Audiffren , Laurent Oudre , Nicolas Vayatis

Decompositions of tensors into factor matrices, which interact through a core tensor, have found numerous applications in signal processing and machine learning. A more general tensor model which represents data as an ordered network of…

数值分析 · 计算机科学 2016-09-30 Anh-Huy Phan , Andrzej Cichocki , Andre Uschmajew , Petr Tichavsky , George Luta , Danilo Mandic

Recently, introducing Tensor Decomposition (TD) techniques into unsupervised feature selection (UFS) has been an emerging research topic. A tensor structure is beneficial for mining the relations between different modes and helps relieve…

机器学习 · 计算机科学 2025-07-04 Junjing Zheng , Xinyu Zhang , Weidong Jiang , Xiangfeng Qiu , Mingjian Ren

Compressive learning is an emerging approach to drastically reduce the memory footprint of large-scale learning, by first summarizing a large dataset into a low-dimensional sketch vector, and then decoding from this sketch the latent…

机器学习 · 计算机科学 2024-06-18 Ayoub Belhadji , Rémi Gribonval

Recent Newton-type federated learning algorithms have demonstrated linear convergence with respect to the communication rounds. However, communicating Hessian matrices is often unfeasible due to their quadratic communication complexity. In…

机器学习 · 计算机科学 2024-01-08 Jian Li , Yong Liu , Wei Wang , Haoran Wu , Weiping Wang

We propose a novel algorithm for the computation of canonical polyadic decomposition (CPD) of large-scale tensors. The proposed algorithm generalizes the random projection (RAP) technique, which is often used to compute large-scale…

机器学习 · 计算机科学 2021-05-11 Lu-Ming Wang , Ya-Nan Wang , Xiao-Feng Gong , Qiu-Hua Lin , Fei Xiang

The CP tensor decomposition is used in applications such as machine learning and signal processing to discover latent low-rank structure in multidimensional data. Computing a CP decomposition via an alternating least squares (ALS) method…

数值分析 · 数学 2021-12-22 Rachel Minster , Irina Viviano , Xiaotian Liu , Grey Ballard

Because tensor data appear more and more frequently in various scientific researches and real-world applications, analyzing the relationship between tensor features and the univariate outcome becomes an elementary task in many fields. To…

机器学习 · 计算机科学 2019-12-04 Jiaqi Zhang , Beilun Wang

Tensor ring (TR) decomposition is a simple but effective tensor network for analyzing and interpreting latent patterns of tensors. In this work, we propose a doubly randomized optimization framework for computing TR decomposition. It can be…

数值分析 · 数学 2023-03-30 Yajie Yu , Hanyu Li , Jingchun Zhou

There is growing interest to extend low-rank matrix decompositions to multi-way arrays, or tensors. One fundamental low-rank tensor decomposition is the canonical polyadic decomposition (CPD). The challenge of fitting a low-rank,…

数值分析 · 数学 2024-07-15 Jeremy M. Myers , Daniel M. Dunlavy

Constrained counting is a fundamental problem in artificial intelligence. A promising new algebraic approach to constrained counting makes use of tensor networks, following a reduction from constrained counting to the problem of…

数据结构与算法 · 计算机科学 2020-04-29 Jeffrey M. Dudek , Leonardo Dueñas-Osorio , Moshe Y. Vardi

Tensor train (TT) decomposition provides a space-efficient representation for higher-order tensors. Despite its advantage, we face two crucial limitations when we apply the TT decomposition to machine learning problems: the lack of…

机器学习 · 统计学 2017-08-03 Masaaki Imaizumi , Takanori Maehara , Kohei Hayashi

We study tensor completion (TC) through the lens of low-rank tensor decomposition (TD). Many TD algorithms use fast alternating minimization methods to solve highly structured linear regression problems at each step (e.g., for CP, Tucker,…

数据结构与算法 · 计算机科学 2025-08-13 Mehrdad Ghadiri , Matthew Fahrbach , Yunbum Kook , Ali Jadbabaie

Modeling inverse dynamics is crucial for accurate feedforward robot control. The model computes the necessary joint torques, to perform a desired movement. The highly non-linear inverse function of the dynamical system can be approximated…

机器学习 · 计算机科学 2017-11-15 Stephan Baier , Volker Tresp

Tensor rank and low-rank tensor decompositions have many applications in learning and complexity theory. Most known algorithms use unfoldings of tensors and can only handle rank up to $n^{\lfloor p/2 \rfloor}$ for a $p$-th order tensor in…

数据结构与算法 · 计算机科学 2015-04-23 Rong Ge , Tengyu Ma

Randomization has emerged as a powerful set of tools for large-scale matrix and tensor decompositions. Randomized algorithms involve computing sketches with random matrices. A prevalent approach is to take the random matrix as a standard…

数值分析 · 数学 2026-04-02 Arvind K. Saibaba , Bhisham Dev Verma , Grey Ballard

A novel algorithm is proposed for CANDECOMP/PARAFAC tensor decomposition to exploit best rank-1 tensor approximation. Different from the existing algorithms, our algorithm updates rank-1 tensors simultaneously in parallel. In order to…

数值分析 · 计算机科学 2017-09-26 Anh-Huy Phan , Petr Tichavský , Andrzej Cichocki

In this article, we derive a Bayesian model to learning the sparse and low rank PARAFAC decomposition for the observed tensor with missing values via the elastic net, with property to find the true rank and sparse factor matrix which is…

数值分析 · 数学 2017-05-30 Songting Shi , Xiang Li , Arkadiusz Sitek , Quanzheng Li

CANDECOMP/PARAFAC (CP) decomposition is the mostly used model to formulate the received tensor signal in a massive MIMO system, as the receiver generally sums the components from different paths or users. To achieve accurate and low-latency…

信号处理 · 电气工程与系统科学 2024-11-21 Xiao Gong , Wei Chen , Bo Ai , Geert Leus