63 search results - page 3 / 13 » A new spatial perceptual mask for image watermarking |
ICIP
2005
IEEE
13 years 11 months ago
2005
IEEE
In this paper an objective metric to measure the perceptual quality of watermarked 3D meshes is presented. The metric, which is based on a black-box approach, relies on the measur...
IH
1999
Springer
13 years 10 months ago
1999
Springer
This paper presents a new stochastic approach which can be applied with di erent watermark techniques. The approach is based on the computation of a Noise Visibility Function NVF ...
ICIP
2002
IEEE
14 years 7 months ago
2002
IEEE
Geometric attacks are among the most challenging problems in present day watermarking. Such attacks are very simple to implement yet they can defeat most of the existing watermark...
ICMCS
2006
IEEE
13 years 11 months ago
2006
IEEE
In this paper, we introduce a new robust image watermarking technique based on the Discrete Wavelet Transform (DWT). The proposed method extends the concept of image denoising to ...
TIP
2002
13 years 5 months ago
2002
This paper presents a discrete cosine transform (DCT)-based locally adaptive perceptual image coder, which discriminates between image components based on their perceptual relevanc...