187 search results - page 15 / 38 » Directional wavelet transforms and frames |
ICMCS
2007
IEEE
14 years 2 months ago
2007
IEEE
This paper investigates the use of the anisotropic 3-D dualtree discrete wavelet transform (DDWT) for video coding. The 3-D DDWT is an attractive video representation because it i...
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
This paper proposes a new technique in wavelet video compression that exploits the spatiotemporal regularity of the video. A sequence of frames is said to be regular along the dire...
JVCIR
2010
13 years 6 months ago
2010
Efficient representation of images usually leads to improvements in storage efficiency, computational complexity and performance of image processing algorithms. Efficient represe...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper proposes a new method of designing finitesupport wavelet filters, based on minimization of energy in key parts of the frequency domain. In particular this technique is ...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
We propose an image coding scheme using 2-D anisotropic dual-tree discrete wavelet transform (DDWT). First, we extend 2-D DDWT to anisotropic decomposition, and obtain more direct...