335 search results - page 6 / 67 » Non-negative sparse coding |
CVPR
2011
IEEE
13 years 7 months ago
2011
IEEE
Recently the sparse representation (or coding) based classification (SRC) has been successfully used in face recognition. In SRC, the testing image is represented as a sparse lin...
ISNN
2007
Springer
14 years 5 months ago
2007
Springer
This paper investigates a mechanism for reliable generation of sparse code in a sparsely connected, hierarchical, learning memory. Activity reduction is accomplished with local com...
COCO
2011
Springer
12 years 10 months ago
2011
Springer
Let f ∈ Fq[x] be a polynomial of degree d ≤ q/2. It is well-known that f can be uniquely recovered from its values at some 2d points even after some small fraction of the valu...
ESANN
2008
14 years 9 days ago
2008
Abstract. We consider the problem of learning an unknown (overcomplete) basis from an unknown sparse linear combination. Introducing the "sparse coding neural gas" algori...
ICASSP
2007
IEEE
14 years 5 months ago
2007
IEEE
Sparse coding is a new field in signal processing with possible applications to source coding. In this paper we present a new method that combines the problems of sparse signal a...