148 search results - page 23 / 30 » Signal masking in Gaussian channels |
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
We present a hybrid approach to image watermarking that exploits results from both information theory and perceptual studies. Towards this purpose we use a waterfilling-type algor...
MICCAI
2004
Springer
14 years 10 months ago
2004
Springer
We propose a new voxel similarity measure which utilises local image structure as well intensity information. Gaussian scale space derivatives are used to provide the structural in...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— We target M-ary data sequence estimation over time-variant frequency selective fading channels subject to cochannel interference (CCI). A novel joint reduced state sequence est...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
— Waterfilling and mercury/waterfilling power allocation policies maximize the mutual information of independent parallel Gaussian-noise channels under an average power constra...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
—Previous work demonstrated that the improvements in spectral efficiency and link reliability can be obtained in wireless relay networks employing terminals with MIMO capability...