294 search results - page 3 / 59 » Approximate query processing using wavelets |
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
We present a new family of 2D orthogonal wavelets which uses quincunx sampling. The orthogonal refinement filters have a simple analytical expression in the Fourier domain as a fu...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
We propose a new family of perfect reconstruction, non-redundant, and multiresolution geometrical image transforms using the wavelet transform in conjunction with modified versions...
TIP
1998
13 years 4 months ago
1998
This paper examines the relationship between wavelet-based image processing algorithms and variational problems. Algorithms are derived as exact or approximate minimizers of varia...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
This paper proposes a class of Hilbert transform pairs of orthonormal wavelet bases with improved analyticity. To improve the analyticity of complex wavelet, a different allpass ï...
SSDBM
2000
IEEE
13 years 9 months ago
2000
IEEE
Fast retrieval of time series in terms of their contents is important in many application domains. This paper studies database techniques supporting fast searches for time series ...