282 search results - page 41 / 57 » Parsimonious dictionary learning |
80
Voted
COLING
2002
14 years 9 months ago
2002
We present a comparative evaluation of two data-driven models used in translation selection of English-Korean machine translation. Latent semantic analysis(LSA) and probabilistic ...
ICCV
2011
IEEE
13 years 9 months ago
2011
IEEE
Invariant representations in object recognition systems are generally obtained by pooling feature vectors over spatially local neighborhoods. But pooling is not local in the featu...
80
Voted
ICML
2010
IEEE
14 years 10 months ago
2010
IEEE
We propose low-rank representation (LRR) to segment data drawn from a union of multiple linear (or affine) subspaces. Given a set of data vectors, LRR seeks the lowestrank represe...
CANDC
2004
ACM
14 years 9 months ago
2004
ACM
Ontology construction requires an understanding of the meaning and usage of its encoded concepts. While definitions found in dictionaries or glossaries may be adequate for many co...
SIGPRO
2011
14 years 4 months ago
2011
In this paper, we survey and compare different algorithms that, given an overcomplete dictionary of elementary functions, solve the problem of simultaneous sparse signal approxim...