72 search results - page 4 / 15 » A DCT Domain Visible Watermarking Technique for Images |
IWDW
2004
Springer
13 years 10 months ago
2004
Springer
: Invertible authentication techniques have been used in some special applications (such as medical or military) where original data can be recovered after authenticated. In this p...
IH
1998
Springer
13 years 9 months ago
1998
Springer
This paper2 presents a new approach for the secure and robust copyright protection of digital images. A system for generating digital watermarks and for trading watermarked images ...
TCSV
2002
13 years 5 months ago
2002
A novel frequency-domain technique for image blocking artifact detection and reduction is presented in this paper. The algorithm first detects the regions of the image which presen...
WISA
2007
Springer
13 years 11 months ago
2007
Springer
Watermark resistance to both geometric attacks and lossy compressions is a fundamental issue in the image watermarking community. In this paper, we propose a DWT (Discrete Wavelet ...
ICMCS
2010
IEEE
13 years 4 months ago
2010
IEEE
In digital rights management (DRM) systems, digital media is often distributed by multiple levels of distributors in a compressed and encrypted format. The distributors in the cha...