56 search results - page 11 / 12 » Video watermarking scheme resistant to geometric attacks |
CSIE
2009
IEEE
14 years 16 days ago
2009
IEEE
In this paper, a digital image watermarking technique based on Discrete Wavelet Transform (DWT) will be proposed. This scheme is designed utilizing principles deriving from the hu...
IEEEIAS
2009
IEEE
14 years 12 days ago
2009
IEEE
: This paper proposes a new watermarking method for detecting image tampering. First, an authentication number is created using a pair of watermark pixels as the coefficients of a ...
ICMCS
1999
IEEE
13 years 10 months ago
1999
IEEE
Hidden copyright marks have been proposed as a solution for solving the illegal copying and proof of ownership problems in the context of multimedia objects. Many systems have been...
ICC
2007
IEEE
14 years 3 days ago
2007
IEEE
This paper investigates the operations of the wavelet tree based quantization and proposes a constrained wavelet tree quantization for image watermarking. The wavelet coefficients ...
MM
2004
ACM
13 years 11 months ago
2004
ACM
Security of multimedia files attracts more and more attention and many encryption methods have been proposed in literature. However most cryptographic systems deal with multimedia...