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What Is Beyond Sparse Coding? Wu, Yingnian
Description
Many types of data such as natural images admit sparse representations by redundant dictionaries of basis functions (or regressors), and these dictionaries can either be designed or learned from training data. However, it is still unclear how to go beyond sparsity and continue to learn structures behind the sparse representations. In this talk, I shall review some recent progresses and the major issues and difficulties that need to be addressed. I shall also present our own recent work that seeks to learn dictionaries of compositional patterns in the sparse representations. Based on joint work with Jianwen Xie, Wenze Hu and Song-Chun Zhu.
Item Metadata
Title |
What Is Beyond Sparse Coding?
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2014-02-12
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Description |
Many types of data such as natural images admit sparse representations by redundant dictionaries of basis functions (or regressors), and these dictionaries can either be designed or learned from training data. However, it is still unclear how to go beyond sparsity and continue to learn structures behind the sparse representations. In this talk, I shall review some recent progresses and the major issues and difficulties that need to be addressed. I shall also present our own recent work that seeks to learn dictionaries of compositional patterns in the sparse representations. Based on joint work with Jianwen Xie, Wenze Hu and Song-Chun Zhu.
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Extent |
52 minutes
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Subject | |
Type | |
File Format |
video/mp4
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Language |
eng
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Notes |
Author affiliation: University of California, Los Angeles
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Series | |
Date Available |
2014-08-07
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivs 2.5 Canada
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DOI |
10.14288/1.0043889
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Faculty
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Rights URI | |
Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
Attribution-NonCommercial-NoDerivs 2.5 Canada