648 search results - page 24 / 130 » Lowness for Demuth Randomness |
STOC
1998
ACM
15 years 2 months ago
1998
ACM
In [6], Gallager introduces a family of codes based on sparse bipartite graphs, which he calls low-density parity-check codes. He suggests a natural decoding algorithm for these c...
102
click to vote
DAGM
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. A method for exploiting the information in low-level image segmentations for the purpose of object recognition is presented. The key idea is to use a whole ensemble of se...
SIAMDM
2008
14 years 9 months ago
2008
Ensembles of regular low-density parity-check codes over any finite Abelian group G are studied. The nonzero entries of the parity matrix are randomly chosen, independently and uni...
TCSV
2008
14 years 9 months ago
2008
Watermark resistance to geometric attacks is an important issue in the image watermarking community. Most countermeasures proposed in the literature usually focus on the problem of...
TMI
2008
14 years 9 months ago
2008
We propose a new method for detecting activation in functional magnetic resonance imaging (fMRI) data. We project the fMRI time series on a low-dimensional subspace spanned by wave...