67 search results - page 7 / 14 » Spatially Adaptive Wavelet Thresholding for Image Watermarki... |
ICIP
2009
IEEE
14 years 8 months ago
2009
IEEE
In this paper, we propose a fast image deconvolution algorithm that combines adaptive block thresholding and Vaguelet-Wavelet Decomposition. The approach consists in first denoisi...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
Following a recently introduced perceptual model for balanced multiwavelets, we outline, in this paper, an extension of our previous work and propose a new perceptual model for sca...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
This paper presents a composite blind digital watermarking technique, CompMark, to hide a visually meaningful grayscale logo in a host image. The multi-resolution fusion principle...
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...
ICASSP
2007
IEEE
14 years 1 months ago
2007
IEEE
Perceptual image quality metrics have explicitly accounted for perceptual characteristics of the human visual system (HVS) by modeling sensitivity to subband noise as the just-not...