63 search results - page 2 / 13 » A new spatial perceptual mask for image watermarking |
TIP
2002
13 years 4 months ago
2002
Abstract-- We present a perceptual model for hiding a spreadspectrum watermark of variable amplitude and density in an image. The model takes into account the sensitivity and maski...
ICIP
2007
IEEE
14 years 7 months ago
2007
IEEE
Scaling attacks are well-known to be some of the most harmful strategies against quantization-based watermarking methods, as they can completely ruin the performance of the waterm...
ICIP
2006
IEEE
14 years 7 months ago
2006
IEEE
The recent advances in Image Based Rendering (IBR) has pioneered a new technology, free-view television, in which TVviewers select freely the viewing position and angle by the app...
SIGGRAPH
1998
ACM
13 years 9 months ago
1998
ACM
A perceptually based approach for selecting image samples has been developed. An existing image processing vision model has been extended to handle color and has been simplified ...
IWDW
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Scaling attacks are well-known to be some of the most harmful strategies against quantization-based watermarking methods, as they desynchronize the decoder, completely ru...