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Hui ning Qiu, Duc-Son Pham, Wanquan Liu, Svetha Venkatesh, and Jian huang Lai. A fast extension for sparse representation on robust face recognition. In Proceedings of the IEEE International Conference on Pattern Recognition, Istanbul, Turkey, August 2010.

We extend Wright et al.'s Sparse Representation-based Classification (SRC) algorithm to work on 2D images incrementally, thus reduce the computational complexity whilst still maintaining performance. Our contributions include: (1) a new 2D extension of SRC algorithm; (2) an incremental computing procedure which can reduce the eigen decomposition expense of each 2D-SRC for sequential input data; and (3) extensive numerical studies to validate the proposed methods.

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