Computer Science ›› 2007, Vol. 34 ›› Issue (2): 227-229.
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WANG Zhen ,CAO Li-Min （Department of Computer Science and Technology,Tongji University,Shanghai 200331）
Online:
Published:
Abstract: Principal Curves are very useful approaches of feature extraction and data compression, they are nonlinear generalizations of the first linear principal component which can be thought of as ＇optimal＇ linear 1-d summarization of the data. Up to now several
Key words: Principal curves, Principal component, Initial value, Projection indices
WANG Zhen ,CAO Li-Min （Department of Computer Science and Technology,Tongji University,Shanghai 200331）. [J].Computer Science, 2007, 34(2): 227-229.
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