756 search results - page 56 / 152 » Quantization of Sparse Representations |
NECO
2008
13 years 7 months ago
2008
While evidence indicates that neural systems may be employing sparse approximations to represent sensed stimuli, the mechanisms underlying this ability are not understood. We desc...
ECCV
2006
Springer
14 years 9 months ago
2006
Springer
In many applications it is necessary to track a moving and deforming boundary on the plane from infrequent, sparse measurements. For instance, each of a set of mobile observers may...
ICASSP
2010
IEEE
13 years 8 months ago
2010
IEEE
Sparse coding networks, which utilize unsupervised learning to maximize coding efficiency, have successfully reproduced response properties found in primary visual cortex [1]. Ho...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper addresses the problem of Through-the-Wall Radar Imaging (TWRI) using the Multiple-Measurement Vector (MMV) compressive sensing model. TWR image formation is reformulate...
FSTTCS
1992
Springer
13 years 12 months ago
1992
Springer
In this paper we study the consequences of the existence of sparse hard sets for NP and other complexity classes under certain types of deterministic, randomized, and nondetermini...