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Two-dimensional relaxed representation | |
Dong, Qiulei | |
发表期刊 | NEUROCOMPUTING |
2013-12-09 | |
卷号 | 121期号:1页码:248-253 |
文章类型 | Article |
摘要 | In this paper, a novel classification framework called two-dimensional relaxed representation (2DRR) is proposed for image classification. Different from recent popular vector-based representations with/without sparsity which encode a vector signal as a sparse/nonsparse linear combination of elementary vector signals, 2DRR is based on 2D image matrices, where each column of the input matrix signal is represented by a combination of the corresponding columns of the elementary matrices. In order to preserve the global linear coding relationship between the input matrix and these elementary matrices, the proposed 2DRR constrains the coding coefficients corresponding to each column of the input matrix to be locally close. Then two algorithms are derived from the 2DRR framework under the l(2) norm and the l(1) norm respectively. Extensive experimental results show the effectiveness of the proposed algorithms in comparison to three existing algorithms. (C) 2013 Elsevier B.V. All rights reserved. |
关键词 | Relaxed Representation Sparsity Image Classification |
WOS标题词 | Science & Technology ; Technology |
关键词[WOS] | FACE RECOGNITION ; SPARSE REPRESENTATION |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Computer Science |
WOS类目 | Computer Science, Artificial Intelligence |
WOS记录号 | WOS:000325303800025 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/2991 |
专题 | 多模态人工智能系统全国重点实验室_机器人视觉 |
通讯作者 | Dong, Qiulei |
作者单位 | Chinese Acad Sci, NLPR, Inst Automat, Beijing 100190, Peoples R China |
推荐引用方式 GB/T 7714 | Dong, Qiulei. Two-dimensional relaxed representation[J]. NEUROCOMPUTING,2013,121(1):248-253. |
APA | Dong, Qiulei.(2013).Two-dimensional relaxed representation.NEUROCOMPUTING,121(1),248-253. |
MLA | Dong, Qiulei."Two-dimensional relaxed representation".NEUROCOMPUTING 121.1(2013):248-253. |
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