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The low multilinear rank approximation, also known as the truncated Tucker decomposition, has been extensively utilized in many applications that involve higher-order tensors. Popular methods for low multilinear rank approximation usually…

数值分析 · 数学 2021-04-05 Chuanfu Xiao , Chao Yang , Min Li

In structure from motion, quadrifocal tensors capture more information than their pairwise counterparts (essential matrices), yet they have often been thought of as impractical and only of theoretical interest. In this work, we challenge…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Daniel Miao , Gilad Lerman , Joe Kileel

Nonnegative Tucker decomposition (NTD), a tensor decomposition model, has received increased interest in the recent years because of its ability to blindly extract meaningful patterns, in particular in Music Information Retrieval.…

With powerful ability to exploit latent structure of self-representation information, different tensor decompositions have been employed into low rank multi-view clustering (LRMVC) models for achieving significant performance. However,…

机器学习 · 计算机科学 2022-10-25 Yingcong Lu , Yipeng Liu , Zhen Long , Zhangxin Chen , Ce Zhu

TimeCluster is a visual analytics technique for discovering structure in long multivariate time series by projecting overlapping windows of data into a low-dimensional space. We show that, when Principal Component Analysis (PCA) is chosen…

机器学习 · 计算机科学 2025-09-17 Christian L. Hines , Samuel Spillard , Daniel P. Martin

Tensor ring (TR) decomposition has been successfully used to obtain the state-of-the-art performance in the visual data completion problem. However, the existing TR-based completion methods are severely non-convex and computationally…

计算机视觉与模式识别 · 计算机科学 2019-03-22 Jinshi Yu , Chao Li , Qibin Zhao , Guoxu Zhou

This work studies the Tensor Robust Principal Component Analysis (TRPCA) problem, which aims to exactly recover the low-rank and sparse components from their sum. Our model is motivated by the recently proposed linear transforms based…

机器学习 · 计算机科学 2019-07-22 Canyi Lu , Pan Zhou

Tensor decompositions have become a central tool in data science, with applications in areas such as data analysis, signal processing, and machine learning. A key property of many tensor decompositions, such as the canonical polyadic…

数值分析 · 数学 2025-05-20 Subhayan Saha , Giovanni Barbarino , Nicolas Gillis

We present a novel Tensor Composition Net (TCN) to predict visual relationships in images. Visual Relationship Prediction (VRP) provides a more challenging test of image understanding than conventional image tagging and is difficult to…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Yuting Qiang , Yongxin Yang , Xueting Zhang , Yanwen Guo , Timothy M. Hospedales

The advancement of sensing technology has driven the widespread application of high-dimensional data. However, issues such as missing entries during acquisition and transmission negatively impact the accuracy of subsequent tasks. Tensor…

图像与视频处理 · 电气工程与系统科学 2025-04-09 Jie Yang , Chang Su , Yuhan Zhang , Jianjun Zhu , Jianli Wang

Tensor Core Units (TCUs) are hardware accelerators developed for deep neural networks, which efficiently support the multiplication of two dense $\sqrt{m}\times \sqrt{m}$ matrices, where $m$ is a given hardware parameter. In this paper, we…

数据结构与算法 · 计算机科学 2020-06-24 Thomas D. Ahle , Francesco Silvestri

Harmonic retrieval (HR) has a wide range of applications in the scenes where signals are modelled as a summation of sinusoids. Past works have developed a number of approaches to recover the original signals. Most of them rely on classical…

信号处理 · 电气工程与系统科学 2021-12-01 Zhenting Luan , Zhenyu Ming , Yuchi Wu , Wei Han , Xiang Chen , Bo Bai , Liping Zhang

Tensors decompositions are a class of tools for analysing datasets of high dimensionality and variety in a natural manner, with the Canonical Polyadic Decomposition (CPD) being a main pillar. While the notion of CPD is closely intertwined…

信号处理 · 电气工程与系统科学 2019-11-15 Giuseppe G. Calvi , Bruno Scalzo Dees , Danilo P. Mandic

We address the computational barrier of deploying advanced deep learning segmentation models in clinical settings by studying the efficacy of network compression through tensor decomposition. We propose a post-training Tucker factorization…

图像与视频处理 · 电气工程与系统科学 2024-04-19 Tobias Weber , Jakob Dexl , David Rügamer , Michael Ingrisch

Accurately representing the complex linkages and inherent uncertainties included in huge datasets is still a major difficulty in the field of data clustering. We address these issues with our proposed Unified Neutrosophic Clustering…

机器学习 · 计算机科学 2025-02-26 D. Dhinakaran , S. Edwin Raja , S. Gopalakrishnan , D. Selvaraj , S. D. Lalitha

We address the problem of tensor robust principal component analysis (TRPCA), which entails decomposing a given tensor into the sum of a low-rank tensor and a sparse tensor. By leveraging the tensor singular value decomposition (t-SVD), we…

数值分析 · 数学 2025-05-08 Huiwen Zheng , Yifei Lou , Guoliang Tian , Chao Wang

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

Tensors offer a natural representation for many kinds of data frequently encountered in machine learning. Images, for example, are naturally represented as third order tensors, where the modes correspond to height, width, and channels.…

机器学习 · 计算机科学 2017-06-05 Jean Kossaifi , Aran Khanna , Zachary C. Lipton , Tommaso Furlanello , Anima Anandkumar

Portfolio allocation and risk management make use of correlation matrices and heavily rely on the choice of a proper correlation matrix to be used. In this regard, one important question is related to the choice of the proper sample period…

风险管理 · 定量金融 2020-04-29 Giuseppe Brandi , Ruggero Gramatica , Tiziana Di Matteo

In many applications, such as classification of images or videos, it is of interest to develop a framework for tensor data instead of an ad-hoc way of transforming data to vectors due to the computational and under-sampling issues. In this…

机器学习 · 统计学 2020-11-13 You-Lin Chen , Mladen Kolar , Ruey S. Tsay