49 search results - page 2 / 10 » A New Watermarking Method Based on DWT |
INFORMATICALT
2006
13 years 5 months ago
2006
In this paper, a digital watermarking algorithm for copyright protection based on the concept of embed digital watermark and modifying frequency coefficients in discrete wavelet tr...
IJNSEC
2008
13 years 5 months ago
2008
Blocking artifact is one of the main drawbacks of the block-based watermarking method. Though a number of researches on "transparent" digital watermarking system have be...
ICMCS
2006
IEEE
13 years 11 months ago
2006
IEEE
The distribution of the wavelet coefficients in 2-D discrete wavelet transform (DWT) subspaces can be well described by a Gaussian mixture statistical model. In this paper, a secr...
ICIP
2002
IEEE
14 years 7 months ago
2002
IEEE
Most of the watermarking schemes that have been proposed until now employ a correlator in the detection stage. The current paper proposes a new detector scheme that can be applied...
JIPS
2010
13 years 6 days ago
2010
This paper proposes two new methods to detect the fingerprints of different persons based on one-dimensional and two-dimensional discrete wavelet transformations (DWTs). Recent lit...