85 search results - page 7 / 17 » Tree-Structured Haar Transforms |
ICDE
2002
IEEE
14 years 17 days ago
2002
IEEE
We consider the use of wavelet transformations as a dimensionality reduction technique to permit efficient similarity search over high-dimensional time-series data. While numerou...
ICIP
2000
IEEE
14 years 9 months ago
2000
IEEE
This paper proposes a method for extracting subimages from a huge reference image by using lifting wavelet transforms that map integers to integers. Our integertype lifting wavele...
SDM
2007
SIAM
13 years 9 months ago
2007
SIAM
Finding discords in time series database is an important problem in a great variety of applications, such as space shuttle telemetry, mechanical industry, biomedicine, and financ...
DEXA
2008
Springer
13 years 9 months ago
2008
Springer
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...
AMC
2005
13 years 7 months ago
2005
A class of efficient preconditioners based on Daubechies family of wavelets for sparse, unsymmetric linear systems that arise in numerical solution of Partial Differential Equatio...