1582 search results - page 68 / 317 » On sparse signal representations |
104
Voted
NIPS
2004
15 years 1 months ago
2004
It has been suggested that the primary goal of the sensory system is to represent input in such a way as to reduce the high degree of redundancy. Given a noisy neural representati...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
This paper explores the approximation properties of a unique basis expansion, which realizes a bilinear frequency warping between a continuous-time signal and its discrete-time re...
EUROPAR
1997
Springer
15 years 4 months ago
1997
Springer
Abstract. We present a relational algebra based framework for compiling e cient sparse matrix code from dense DO-ANY loops and a speci cation of the representation of the sparse ma...
124
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CVPR
2012
IEEE
13 years 2 months ago
2012
IEEE
The choice of the over-complete dictionary that sparsely represents data is of prime importance for sparse codingbased image super-resolution. Sparse coding is a typical unsupervi...
145
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ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
A key problem in using the output of an auditory model as the input to a machine-learning system in a machine-hearing application is to find a good feature-extraction layer. For ...