Efficient algorithms for robust and stable principal component pursuit problems

Necdet Aybat (), Donald Goldfarb () and Shiqian Ma ()

Computational Optimization and Applications, 2014, vol. 58, issue 1, 29 pages

Abstract: The problem of recovering a low-rank matrix from a set of observations corrupted with gross sparse error is known as the robust principal component analysis (RPCA) and has many applications in computer vision, image processing and web data ranking. It has been shown that under certain conditions, the solution to the NP-hard RPCA problem can be obtained by solving a convex optimization problem, namely the robust principal component pursuit (RPCP). Moreover, if the observed data matrix has also been corrupted by a dense noise matrix in addition to gross sparse error, then the stable principal component pursuit (SPCP) problem is solved to recover the low-rank matrix. In this paper, we develop efficient algorithms with provable iteration complexity bounds for solving RPCP and SPCP. Numerical results on problems with millions of variables and constraints such as foreground extraction from surveillance video, shadow and specularity removal from face images and video denoising from heavily corrupted data show that our algorithms are competitive to current state-of-the-art solvers for RPCP and SPCP in terms of accuracy and speed. Copyright Springer Science+Business Media New York 2014

Keywords: Principal component analysis; Compressed sensing; Matrix completion; Convex optimization; Smoothing; Alternating linearization method; Alternating direction augmented Lagrangian method; Accelerated proximal gradient method; Iteration complexity (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (3)

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DOI: 10.1007/s10589-013-9613-0

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