3162 search results - page 47 / 633 » Transformations for semi-continuous data |
ICASSP
2009
IEEE
15 years 6 months ago
2009
IEEE
This work presents a class of unidirectional lifting-based wavelet transforms for an arbitrary communication graph in a wireless sensor network. These transforms are unidirectiona...
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"There is a very large literature on the theoretical underpinnings of the
wavelet transform. However, theory must be complemented with a significant
amount of practical work...
CORR
2006
Springer
14 years 12 months ago
2006
Springer
While there is a very long tradition of approximating a data array by projecting row or column vectors into a lower dimensional subspace the direct approximation of a data matrix ...
ICPR
2006
IEEE
16 years 28 days ago
2006
IEEE
Discrepancy between CT and PET data due to motion in PET/CT studies is a significant problem. PET is acquired over a period of time whereas CT is static. Thus attenuation correcti...
CAISE
2004
Springer
15 years 5 months ago
2004
Springer
This paper introduces an extension to the hypergraph data model used in the AutoMed data intergration approach that allows constraints common in static data modelling languages to ...