中文
相关论文

相关论文: Estimating shared subspace with AJIVE: the power a…

200 篇论文

Many modern datasets consist of multiple related matrices measured on a common set of units, where the goal is to recover the shared low-dimensional subspace. While the Angle-based Joint and Individual Variation Explained (AJIVE) framework…

统计理论 · 数学 2025-12-03 Jingyang Li , Zhongyuan Lyu

Conventional multimodal data integration methods provide a comprehensive assessment of the shared or unique structure within each individual data type but suffer from several limitations such as the inability to handle high-dimensional data…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Matthew Drexler , Benjamin Risk , James J Lah , Suprateek Kundu , Deqiang Qiu

With increasing availability of high dimensional, multi-source data, the identification of joint and data specific patterns of variability has become a subject of interest in many research areas. Several matrix decomposition methods have…

统计方法学 · 统计学 2021-01-25 Erica Ponzi , Magne Thoresen , Abhik Ghosh

In this paper, we propose to estimate the invariant subspace across heterogeneous multiple networks using a novel bias-corrected joint spectral embedding algorithm. The proposed algorithm recursively calibrates the diagonal bias of the sum…

统计理论 · 数学 2024-06-13 Fangzheng Xie

Research in several fields now requires the analysis of data sets in which multiple high-dimensional types of data are available for a common set of objects. In particular, The Cancer Genome Atlas (TCGA) includes data from several diverse…

机器学习 · 统计学 2013-05-29 Eric F. Lock , Katherine A. Hoadley , J. S. Marron , Andrew B. Nobel

Multi-view data provides complementary information on the same set of observations, with multi-omics and multimodal sensor data being common examples. Analyzing such data typically requires distinguishing between shared (joint) and unique…

机器学习 · 统计学 2025-08-14 Renat Sergazinov , Armeen Taeb , Irina Gaynanova

Estimating singular subspaces from noisy matrices is a fundamental problem with wide-ranging applications across various fields. Driven by the challenges of data integration and multi-view analysis, this study focuses on estimating shared…

统计理论 · 数学 2024-11-27 Zhengchi Ma , Rong Ma

Analyzing multi-source data, which are multiple views of data on the same subjects, has become increasingly common in molecular biomedical research. Recent methods have sought to uncover underlying structure and relationships within and/or…

This paper presents joint power allocation and interference mitigation techniques for the downlink of spread spectrum systems which employ multiple relays and the amplify and forward cooperation strategy. We propose a joint constrained…

信息论 · 计算机科学 2013-01-29 Rodrigo C. de Lamare

Collecting multiple types of data on the same set of subjects is common in modern scientific applications including, genomics, metabolomics, and neuroimaging. Joint and Individual Variance Explained (JIVE) seeks a low-rank approximation of…

机器学习 · 统计学 2026-03-16 Raphiel J. Murden , Ganzhong Tian , Deqiang Qiu , Benajmin B. Risk

Integrative analysis of disparate data blocks measured on a common set of experimental subjects is one major challenge in modern data analysis. This data structure naturally motivates the simultaneous exploration of the joint and individual…

统计方法学 · 统计学 2016-04-26 Qing Feng , Jan Hannig , J. S. Marron

In a multiple measurement vector problem (MMV), where multiple signals share a common sparse support and are sampled by a common sensing matrix, we can expect joint sparsity to enable a further reduction in the number of required…

信息论 · 计算机科学 2015-06-03 Jong Min Kim , Ok Kyun Lee , Jong Chul Ye

This paper tackles the problem of joint active and passive beamforming optimization for an intelligent reflective surface (IRS)-assisted multi-user downlink multiple-input multiple-output (MIMO) communication system. We aim to maximize…

信息论 · 计算机科学 2021-06-17 Haseeb Ur Rehman , Faouzi Bellili , Amine Mezghani , and Ekram Hossain

Integrative analysis of disparate data blocks measured on a common set of experimental subjects is a major challenge in modern data analysis. This data structure naturally motivates the simultaneous exploration of the joint and individual…

机器学习 · 统计学 2018-03-20 Qing Feng , Meilei Jiang , Jan Hannig , J. S. Marron

Discrete multiple signal classification (MUSIC) with its low computational cost and mild condition requirement becomes a significant noniterative algorithm for joint sparse recovery (JSR). However, it fails in rank defective problem caused…

信息论 · 计算机科学 2017-05-29 Zaidao Wen , Biao Hou , Licheng Jiao

Jackknife instrumental variable estimation (JIVE) is a classic method to leverage many weak instrumental variables (IVs) to estimate linear structural models, overcoming the bias of standard methods like two-stage least squares. In this…

统计理论 · 数学 2024-10-08 Aurélien Bibaut , Nathan Kallus , Apoorva Lal

Conventional nonlinear subspace learning techniques (e.g., manifold learning) usually introduce some drawbacks in explainability (explicit mapping) and cost-effectiveness (linearization), generalization capability (out-of-sample), and…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Danfeng Hong , Naoto Yokoya , Jocelyn Chanussot , Jian Xu , Xiao Xiang Zhu

We propose robust and efficient algorithms for the joint sparse recovery problem in compressed sensing, which simultaneously recover the supports of jointly sparse signals from their multiple measurement vectors obtained through a common…

信息论 · 计算机科学 2016-11-17 Kiryung Lee , Yoram Bresler , Marius Junge

Integrated sensing and communication (ISAC) is a main application scenario of the sixth-generation mobile communication systems. Due to the fast-growing number of antennas and subcarriers in cellular systems, the computational complexity of…

信息论 · 计算机科学 2024-05-16 Jun Zhang , Gang Yang , Qibin Ye , Yixuan Huang , Su Hu

Multiplex network embedding is an effective technique to jointly learn the low-dimensional representations of nodes across network layers. However, the number of edges among layers may vary significantly. This data imbalance will lead to…

社会与信息网络 · 计算机科学 2023-01-02 Kejia Chen , Yinchu Qiu , Zheng Liu
‹ 上一页 1 2 3 10 下一页 ›