Incremental locally linear embedding

被引:102
|
作者
Kouropteva, O
Okun, O
Pietikäinen, M
机构
[1] Univ Oulu, Machine Vis Grp, Infotech Oulu, Oulu 90014, Finland
[2] Univ Oulu, Dept Elect & Informat Engn, Oulu 90014, Finland
关键词
dimensionality reduction; LLE; online mapping; topology preservation;
D O I
10.1016/j.patcog.2005.04.006
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
The locally linear embedding (LLE) algorithm belongs to a group of manifold learning methods that not only merely reduce data dimensionality, but also attempt to discover a true low dimensional structure of the data. In this paper, we propose an incremental version of LLE and experimentally. demonstrate its advantages in terms of topology preservation. Also compared to the original (batch) LLE, the incremental LLE needs to solve a much smaller optimization problem. (c) 2005 Pattern Recognition Society. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:1764 / 1767
页数:4
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