Two-stage Sparse Representation

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BSD
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Ran He, BaoGang Hu, Wei-Shi Zheng, and YanQing Guo, "Two-stage Sparse Representation for Robust Recognition on Large-scale Database," In Proc. Twenty-Fourth AAAI Conference on Artificial Intelligence, 2010
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This program implements a novel robust sparse representation method, called the two-stage sparse representation (TSR), for
robust recognition on a large-scale database. Based on the divide and conquer strategy, TSR divides the procedure of robust recognition into outlier detection stage and recognition stage. The extensive numerical experiments on several public databases demonstrate that the proposed TSR approach generally obtains better classification accuracy than the state-of-the-art Sparse Representation Classification (SRC). At the same time, by using the TSR, a significant reduction of computational cost is reached by over fifty times in comparison with the SRC, which enables the TSR to be deployed more suitably for large-scale dataset.
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