94 search results - page 4 / 19 » On the Dimensionality Reduction for Sparse Representation Ba... |
ECCV
2010
Springer
13 years 11 months ago
2010
Springer
Abstract. By coding the input testing image as a sparse linear combination of the training samples via l1-norm minimization, sparse representation based classification (SRC) has b...
ICMLA
2008
13 years 7 months ago
2008
Dimension reduction techniques have been successfully applied to face recognition and text information retrieval. The process can be time-consuming when the data set is large. Thi...
AMFG
2005
IEEE
13 years 11 months ago
2005
IEEE
Non-negative matrix factorization (NMF) is a recently developed method for finding parts-based representation of non-negative data such as face images. Although it has successfully...
WACV
2002
IEEE
13 years 10 months ago
2002
IEEE
In this paper we present the results of a comparative study of linear and kernel-based methods for face recognition. The methods used for dimensionality reduction are Principal Co...
ICMCS
2006
IEEE
13 years 11 months ago
2006
IEEE
In this paper, we propose an original framework for three dimensional face representation and matching for identification purposes. Basic traits of a face are encoded by extracti...