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用MATLAB编写的NMF分解程序，应用于人脸识别场景
资源介绍
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README file for nmfpack
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Patrik Hoyer
August 03,
2006
Version 1.1
This Matlab package implements and tests various versions of non-negative
matrix factorization (NMF). This package is associated with the article:
Patrik O Hoyer.
'Non-negative matrix factorization with sparseness constraints'
Journal of Machine Learning Research 5:1457-1469,