72 search results - page 2 / 15 » A DCT Domain Visible Watermarking Technique for Images |
ICIP
2000
IEEE
14 years 6 months ago
2000
IEEE
We describe effective channel coding strategies which can be used in conjunction with linear programming optimization techniques for the embedding of robust perceptually adaptive ...
JEI
2006
13 years 4 months ago
2006
For copyright protection, the robustness of a watermarking scheme against various attacks is an essential requirement. Many proposed robust watermarking schemes may achieve good r...
IEEEMSP
2002
IEEE
13 years 9 months ago
2002
IEEE
—This paper investigates the feasibility of watermark embedding in the discrete cosine transform (DCT) domain for binary images. Watermark embedding is known difficult for binar...
ICIP
1998
IEEE
14 years 6 months ago
1998
IEEE
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
In this paper we propose a new watermarking technique where the watermark is embedded according to two keys. The first key is used to embed a code bit in a block of pixels. The se...