614 search results - page 65 / 123 » Hyperspectral image coding using 3D transforms |
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
We propose a block-based transform optimization and associated image compression technique that exploits regularity along directional image singularities. Unlike established work,...
ISCAS
2007
IEEE
14 years 2 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...
ICC
1997
IEEE
13 years 12 months ago
1997
IEEE
— This letter considers a combined source-channel coding scheme for image transmission over the uplink of a wireless IS-95 code division multiple access (CDMA) channel using disc...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
In a previous work, we proposed a new family of nonredundant geometrical image transforms using Hybrid Wavelets and Directional filter banks (HWD). In this paper we further develo...
PAMI
2008
13 years 7 months ago
2008
Defocus can be modeled as a diffusion process and represented mathematically using the heat equation, where image blur corresponds to the diffusion of heat. This analogy can be ext...