85 search results - page 2 / 17 » Comparison of Feature Extraction Techniques for Watermark Sy... |
ISW
1999
Springer
13 years 10 months ago
1999
Springer
Digital watermarking has been considered as an important technique to protect the copyright of digital content. For a digital watermarking method to be effective, it is essential ...
IH
2007
Springer
13 years 12 months ago
2007
Springer
Abstract. Hard decisions constitute the major problem in digital watermarking applications, especially when content adaptive embedding methods are used. Soft-decision decoding, on ...
ICMCS
2005
IEEE
13 years 11 months ago
2005
IEEE
This study describes experiments on automatic detection of semantic concepts, which are textual descriptions about the digital video content. The concepts can be further used in c...
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 ...
ICC
2007
IEEE
14 years 2 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 ...