中文
相关论文

相关论文: Orientation-Aware Sparse Tensor PCA for Efficient …

200 篇论文

Sparse tensors appear in many large-scale applications with multidimensional and sparse data. While multidimensional sparse data often need to be processed on manycore processors, attempts to develop highly-optimized GPU-based…

数学软件 · 计算机科学 2017-12-18 Bangtian Liu , Chengyao Wen , Anand D. Sarwate , Maryam Mehri Dehnavi

In this paper, we study the application of sparse principal component analysis (PCA) to clustering and feature selection problems. Sparse PCA seeks sparse factors, or linear combinations of the data variables, explaining a maximum amount of…

人工智能 · 计算机科学 2008-10-08 Ronny Luss , Alexandre d'Aspremont

Tensor decompositions are powerful tools for analyzing multi-dimensional data in their original format. Besides tensor decompositions like Tucker and CP, Tensor SVD (t-SVD) which is based on the t-product of tensors is another extension of…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Mahdi Molavi , Mansoor Rezghi , Tayyebeh Saeedi

The t-SVD based Tensor Robust Principal Component Analysis (TRPCA) decomposes low rank multi-linear signal corrupted by gross errors into low multi-rank and sparse component by simultaneously minimizing tensor nuclear norm and l 1 norm. But…

计算机视觉与模式识别 · 计算机科学 2017-07-11 M. Baburaj , Sudhish N. George

Face recognition is the important field in machine learning and pattern recognition research area. It has a lot of applications in military, finance, public security, to name a few. In this paper, the combination of the tensor sparse PCA…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Loc Hoang Tran , Linh Hoang Tran

Regularized variants of Principal Components Analysis, especially Sparse PCA and Functional PCA, are among the most useful tools for the analysis of complex high-dimensional data. Many examples of massive data, have both sparse and…

机器学习 · 统计学 2019-08-21 Genevera I. Allen , Michael Weylandt

High-dimensional, higher-order tensor data are gaining prominence in a variety of fields, including but not limited to computer vision and network analysis. Tensor factor models, induced from noisy versions of tensor decompositions or…

统计方法学 · 统计学 2024-12-16 Xu Zhang , Guodong Li , Catherine C. Liu , Jianhua Guo

This paper proposes a novel sparse principal component analysis algorithm with self-learning ability for successive modes, where synaptic intelligence is employed to measure the importance of variables and a regularization term is added to…

机器学习 · 计算机科学 2021-08-10 Jingxin Zhang , Donghua Zhou , Maoyin Chen

This paper studies the data sparsity problem in multi-view learning. To solve data sparsity problem in multiview ratings, we propose a generic architecture of deep transfer tensor factorization (DTTF) by integrating deep learning and…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Penghao Jiang , Ke Xin , Chunxi Li

Singular value decomposition (SVD) based principal component analysis (PCA) breaks down in the high-dimensional and limited sample size regime below a certain critical eigen-SNR that depends on the dimensionality of the system and the…

统计理论 · 数学 2019-12-17 Arvind Prasadan , Raj Rao Nadakuditi , Debashis Paul

Principal component analysis (PCA) is a widely used technique for data analysis and dimension reduction with numerous applications in science and engineering. However, the standard PCA suffers from the fact that the principal components…

最优化与控制 · 数学 2009-07-14 Zhaosong Lu , Yong Zhang

This paper introduces the use of single layer and deep convolutional networks for remote sensing data analysis. Direct application to multi- and hyper-spectral imagery of supervised (shallow or deep) convolutional networks is very…

计算机视觉与模式识别 · 计算机科学 2015-11-26 Adriana Romero , Carlo Gatta , Gustau Camps-Valls

This paper introduces a novel sparse latent factor modeling framework using sparse asymptotic Principal Component Analysis (APCA) to analyze the co-movements of high-dimensional panel data over time. Unlike existing methods based on sparse…

统计方法学 · 统计学 2025-08-08 Zhaoxing Gao

We present a novel approach for adaptive, differentiable parameterization of large-scale random fields. If the approach is coupled with any gradient-based optimization algorithm, it can be applied to a variety of optimization problems,…

机器学习 · 计算机科学 2020-06-09 Maksim Elizarev , Andrei Mukhin , Aleksey Khlyupin

Principal component analysis (PCA) can be significantly limited when there is too few examples of the target data of interest. We propose a transfer learning approach to PCA (TL-PCA) where knowledge from a related source task is used in…

机器学习 · 计算机科学 2024-10-15 Sharon Hendy , Yehuda Dar

A novel method for common and individual feature analysis from exceedingly large-scale data is proposed, in order to ensure the tractability of both the computation and storage and thus mitigate the curse of dimensionality, a major…

信号处理 · 电气工程与系统科学 2017-11-03 Ilia Kisil , Giuseppe G. Calvi , Danilo P. Mandic

This paper is concerned with the computation of the principal components for a general tensor, known as the tensor principal component analysis (PCA) problem. We show that the general tensor PCA problem is reducible to its special case…

最优化与控制 · 数学 2013-11-19 Bo Jiang , Shiqian Ma , Shuzhong Zhang

Scaling Transformers to ultra-long contexts is bottlenecked by the $O(n^2 d)$ cost of self-attention. Existing methods reduce this cost along the sequence axis through local windows, kernel approximations, or token-level sparsity, but these…

机器学习 · 计算机科学 2026-03-31 Yan Xie , Tiansheng Wen , Tangda Huang , Bo Chen , Chenyu You , Stefanie Jegelka , Yifei Wang

We consider the problem of factorizing a structured 3-way tensor into its constituent Canonical Polyadic (CP) factors. This decomposition, which can be viewed as a generalization of singular value decomposition (SVD) for tensors, reveals…

机器学习 · 计算机科学 2020-07-01 Sirisha Rambhatla , Xingguo Li , Jarvis Haupt

Sparse Principal Component Analysis (PCA) methods are efficient tools to reduce the dimension (or the number of variables) of complex data. Sparse principal components (PCs) are easier to interpret than conventional PCs, because most…

统计理论 · 数学 2011-04-22 Dan Shen , Haipeng Shen , J. S. Marron