Invention Grant
- Patent Title: Method for recovering low-rank matrices and subspaces from data in high-dimensional matrices
- Patent Title (中): 从高维矩阵数据中恢复低阶矩阵和子空间的方法
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Application No.: US13355335Application Date: 2012-01-20
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Publication No.: US08935308B2Publication Date: 2015-01-13
- Inventor: Fatih Porikli , Xianbiao Shu
- Applicant: Fatih Porikli , Xianbiao Shu
- Applicant Address: US MA Cambridge
- Assignee: Mitsubishi Electric Research Laboratories, Inc.
- Current Assignee: Mitsubishi Electric Research Laboratories, Inc.
- Current Assignee Address: US MA Cambridge
- Agent Dirk Brinkman; Gene Vinokur
- Main IPC: G06F7/00
- IPC: G06F7/00

Abstract:
A method recovers an uncorrupted low-rank matrix, noise in corrupted data and a subspace from the data in a form of a high-dimensional matrix. An objective function minimizes the noise to solve for the low-rank matrix and the subspace without estimating the rank of the low-rank matrix. The method uses group sparsity and the subspace is orthogonal. Random subsampling of the data can recover subspace bases and their coefficients from a much smaller matrix to improve performance. Convergence efficiency can also be improved by applying an augmented Lagrange multiplier, and an alternating stepwise coordinate descent. The Lagrange function is solved by an alternating direction method.
Public/Granted literature
- US20130191425A1 Method for Recovering Low-Rank Matrices and Subspaces from Data in High-Dimensional Matrices Public/Granted day:2013-07-25
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