474 search results - page 48 / 95 » Region-Based Watermarking for Images |
SSWMC
2004
13 years 11 months ago
2004
In lossless watermarking, it is possible to completely remove the embedding distortion from the watermarked image and recover an exact copy of the original unwatermarked image. Lo...
ICMCS
2005
IEEE
14 years 3 months ago
2005
IEEE
The existing halftone image watermarking methods were proposed to embed a watermark bit in a halftone dot, which corresponds to a pixel, to generate stego halftone image. This one...
HAPTICS
2005
IEEE
14 years 3 months ago
2005
IEEE
Digital watermarking refers to the process of embedding a digital code into an image, video, printed document or audio media. The code should not interfere with the normal use of ...
SMI
2003
IEEE
14 years 3 months ago
2003
IEEE
This paper proposes a digital watermarking algorithm for 2D vector digital maps. The watermark is a robust, informed-detection watermark to be used to prevent such abuses as an in...
ICIP
2005
IEEE
14 years 11 months ago
2005
IEEE
We present an asymmetric watermarking method for copyright protection that uses different matrix operations to embed and extract a watermark. It allows for the public release of a...