474 search results - page 33 / 95 » Region-Based Watermarking for Images |
SUTC
2008
IEEE
14 years 4 months ago
2008
IEEE
Digital watermarks have been embedded invisibly in digital media to protect copy rights of legal owners. The embedded watermarks can be extracted to indicate ownership originals. ...
ICPR
2010
IEEE
13 years 8 months ago
2010
IEEE
We propose a region-based foreground object segmentation method capable of dealing with image sequences containing noise, illumination variations and dynamic backgrounds (as often...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
In the field of detection and monitoring of dynamic objects in quasi-static scenes, background subtraction techniques where background is modeled at pixel-level, although showing ...
Publication
A subband-DCT approach for image watermarking is proposed in this communication. The watermark is casted in a selected number of coefficients of all four bands of a one-level decom...
ISW
2000
Springer
14 years 1 months ago
2000
Springer
Generally, low frequency domain may be useful to embed a watermark in an image. However, if a watermark is embedded into low frequency components, blocking effects may occur in the...