109 search results - page 6 / 22 » Adaptive Directional Wavelet Transform Based on Directional ... |
ICIP
2007
IEEE
14 years 1 months ago
2007
IEEE
Traditional 2D DCT implemented by separable 1D transform in horizontal and vertical directions does not take image orientation features in a local window into account. To improve ...
ICIP
2006
IEEE
14 years 1 months ago
2006
IEEE
In this paper, we propose an efficient hierarchical method for extracting invariant texture features using the Gabor wavelets and Radon transform parameters. The proposed method a...
TIP
2010
13 years 2 months ago
2010
As an effective method for copyright protection of digital products against illegal usage, watermarking in wavelet domain has recently received considerable attention due to the de...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
A novel directionally adaptive image resolution enhancement method is proposed. The method uses a multiple-direction wavelet transform, called directionlets, to efficiently extrac...
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 ...