50 search results - page 5 / 10 » Enhanced images watermarking based on amplitude modulation |
ICPR
2008
IEEE
14 years 2 months ago
2008
IEEE
Particle filters provide a robust framework for nonlinear and non-Gaussian estimation problems. In this paper, we present a method to incorporate dominant modulation-domain (Ampl...
TSMC
2010
13 years 2 months ago
2010
Feature-based image watermarking schemes, which aim to survive various geometric distortions, have attracted great attention in recent years. Existing schemes have shown robustness...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
Scanned halftone images are degraded for the presence of screen patterns. It’s a challenge to automatically detect the halftone images and remove the noises on the fly. This pap...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
Halftone image watermarking techniques that allow automated extraction of the embedded watermark data are useful in a variety of document security and workflow applications. The p...
TSP
2008
13 years 7 months ago
2008
Abstract--This paper proposes and analyzes differential modulation schemes for two cooperation protocols in multinode cooperative wireless networks; namely, multinode differential ...