105 search results - page 6 / 21 » A Secure and Localizing Watermarking Technique for Image Aut... |
IWDW
2009
Springer
14 years 3 days ago
2009
Springer
This paper deals with the improvement of the Dirty Paper Trellis Code (DPTC) watermarking algorithm. This watermarking algorithm is known to be one of the best among the high rate ...
ISCAS
2008
IEEE
14 years 1 months ago
2008
IEEE
—Use of watermarking techniques to provide authentication and tamper proofing of speech in mobile environment is becoming important. However, the current efforts do not allow for...
IH
1999
Springer
13 years 11 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
2009
IEEE
14 years 8 months ago
2009
IEEE
In this paper, security evaluation of an important watermarking class based on quantization is given. Theoretical developments and practical simulations are used to measure the se...
JEI
2007
13 years 7 months ago
2007
In this work, we propose a novel fragile watermarking scheme in wavelet transform domain, which is sensitive to all kinds of manipulations and has the ability to localize the tamp...