200 search results - page 24 / 40 » Digital Watermarking |
IWDW
2005
Springer
14 years 27 days ago
2005
Springer
Abstract. In this paper, the security of Dither Modulation Quantization Index Modulation schemes for digital images is analyzed. Both pixel and DCT coefficient quantization schemes...
ICMCS
1999
IEEE
13 years 11 months ago
1999
IEEE
The aim of this demonstration is to present the ongoing performance of our R. and D. watermarking scheme software. The proposed illustrations cover a large panel of original image...
MIS
1999
Springer
13 years 11 months ago
1999
Springer
A central task in multimedia systems is image management (storage and retrieval). As information is disseminated across vast networks, such as the Internet, methods of locating au...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
This paper presents an efficient method for the estimation and recovering from nonlinear or local geometrical distortions, such as the random bending attack and restricted project...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
In this paper we present a generic content-based solution targeting at authenticating image in a semi-fragile way, which integrates watermarking-based approach with signature-base...