Please use this identifier to cite or link to this item: https://doi.org/10.1109/ICIP.2012.6467005
Title: Multi-Task low-rank and sparse matrix recovery for human motion segmentation
Authors: Wang, X.
Wan, W.
Liu, G. 
Keywords: Augmented Lagrange Multipliers
Human motion segmentation
Low-rank matrix recovery
Robust Principal Component Analysis
Sparse representation
Issue Date: 2012
Source: Wang, X.,Wan, W.,Liu, G. (2012). Multi-Task low-rank and sparse matrix recovery for human motion segmentation. Proceedings - International Conference on Image Processing, ICIP : 897-900. ScholarBank@NUS Repository. https://doi.org/10.1109/ICIP.2012.6467005
Abstract: This paper proposes a new algorithm, named Multi-Task Robust Principal Component Analysis (MTRPCA), to collaboratively integrate multiple visual features and motion priors for human motion segmentation. Given the video data described by multiple features, the human motion part is obtained by jointly decomposing multiple feature matrices into pairs of low-rank and sparse matrices. The inference process is formulated as a convex optimization problem that minimizes a constrained combination of nuclear norm and ℓ2,1-norm, which can be solved efficiently with Augmented Lagrange Multiplier (ALM) method. Compared to previous methods, which usually make use of individual features, the proposed method seamlessly integrates multiple features and priors within a single inference step, and thus produces more accurate and reliable results. Experiments on the HumanEva human motion dataset show that the proposed MTRPCA is novel and promising. © 2012 IEEE.
Source Title: Proceedings - International Conference on Image Processing, ICIP
URI: http://scholarbank.nus.edu.sg/handle/10635/78249
ISBN: 9781467325332
ISSN: 15224880
DOI: 10.1109/ICIP.2012.6467005
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