139 search results - page 3 / 28 » Image coding with iterated contourlet and wavelet transforms |
ICIP
2007
IEEE
14 years 7 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...
ICIP
1999
IEEE
14 years 7 months ago
1999
IEEE
Zerotree coding based on the wavelet transform is a very effective image compression technique. Since it exploits the dyadic multiresolution characteristic of wavelet transform, h...
ICIP
2007
IEEE
13 years 12 months ago
2007
IEEE
The geometric features of images, such as edges, are difficult to represent. When a redundant transform is used for their extraction, the compression challenge is even more dif...
ICC
2008
IEEE
14 years 2 days ago
2008
IEEE
—This paper proposes to use Contourlet transform for image compression and feature extraction for wireless face recognition system. The properties of face images and face recogni...
ISCAS
2007
IEEE
13 years 12 months ago
2007
IEEE
—In this paper, we investigate image compression using 2D Dual-tree Discrete Wavelet Transform (DDWT), which is an overcomplete transform with direction-selective basis functions...