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Multiple Kernel Learning for Sparse Representation-Based Classification
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DOI：10.1109/TIP.2014.2324290.png)
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摘要
En 中文
In this paper, we propose a multiple kernel learning (MKL) algorithm that is based on the sparse representation-based classification (SRC) method. Taking advantage of the nonlinear kernel SRC in efficiently representing the nonlinearities in the high-dimensional feature space, we propose an MKL method based on the kernel alignment criteria. Our method uses a two step training method to learn the kernel weights and sparse codes. At each iteration, the sparse codes are updated first while fixing the kernel mixing coefficients, and then the kernel mixing coefficients are updated while fixing the sparse codes. These two steps are repeated until a stopping criteria is met. The effectiveness of the proposed method is demonstrated using several publicly available image classification databases and it is shown that this method can perform significantly better than many competitive image classification algorithms.
Keyword:
Sparse representation-based classification
multiple kernel learning
kernel sparse representation
object recognition
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期刊
IF:
13.7
论文数:
1.0W
被引数:
8.4W
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