514 search results - page 11 / 103 » Feature Extraction of Concepts by Independent Component Anal... |
ISNN
2004
Springer
14 years 28 days ago
2004
Springer
Abstract. Principal Component Analysis (PCA) is a feature extraction approach directly based on a whole vector pattern and acquires a set of projections that can realize the best r...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
Independent component analysis (ICA) is a popular approach for blind source separation (BSS). In this study, we develop a new mutual information measure for BSS and unsupervised l...
IJCNN
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— Independent subspace analysis (ISA) is a generalization of independent component analysis (ICA), where multidimensional ICA is incorporated with the idea of invariant f...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
In this paper we present a clustering-based method for representing semantic concepts on multimodal low-level feature spaces and study the evaluation of the goodness of such model...
SIGIR
2003
ACM
14 years 24 days ago
2003
ACM
Term-based representations of documents have found widespread use in information retrieval. However, one of the main shortcomings of such methods is that they largely disregard le...