785 search results - page 12 / 157 » On the Hilbert Transform of Wavelets |
ICIP
2005
IEEE
14 years 9 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...
ISCAS
2003
IEEE
14 years 27 days ago
2003
IEEE
Based on the cubic B-spline curve, new Chinese fonts are generated by wavelet transforms in this paper. The outlines of Chinese fonts are first transformed into B-spline curves. ...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
Shift variance and poor directional selectivity, two major disadvantages of the discrete wavelet transform, have previously been circumvented either by using highly redundant, non...
DCC
2010
IEEE
14 years 2 months ago
2010
IEEE
In lifting-based directional wavelet transforms, different subsampling patterns may show significant difference for directional signals in image coding. This paper investigates t...
CORR
2006
Springer
13 years 7 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 ...