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- W2579600478 abstract "Almost all the existing representation based classifiers represent a query sample as a linear combination of training samples, and their time and memory cost will increase rapidly with the number of training samples. We investigate the representation based classification problem from a rather different perspective in this paper, that is, we learn how each feature (i.e., each element) of a sample can be represented by the features of itself. Such a self-representation property of sample features can be readily employed for pattern classification and a novel self-representation induced classifier (SRIC) is proposed. SRIC learns a self-representation matrix for each class. Given a query sample, its self-representation residual can be computed by each of the learned self-representation matrices, and classification can then be performed by comparing these residuals. In light of the principle of SRIC, a discriminative SRIC (DSRIC) method is developed. For each class, a discriminative self-representation matrix is trained to minimize the self-representation residual of this class while representing little the features of other classes. Experimental results on different pattern recognition tasks show that DSRIC achieves comparable or superior recognition rate to state-of-the-art representation based classifiers, however, it is much more efficient and needs much less storage space." @default.
- W2579600478 created "2017-01-26" @default.
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- W2579600478 date "2016-07-09" @default.
- W2579600478 modified "2023-09-27" @default.
- W2579600478 title "A self-representation induced classifier" @default.
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