199 search results - page 23 / 40 » Digital Watermarking - Introduction |
IWDW
2005
Springer
15 years 3 months 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...
CORR
2006
Springer
14 years 9 months ago
2006
Springer
In this paper new, lightweight security and control protocol for Voice over Internet Protocol (VoIP) service is presented. It is the alternative for the IETF's (Internet Engi...
ICIP
1994
IEEE
15 years 11 months ago
1994
IEEE
This paper discusses the feasibility of coding an "undetectable" digital water mark on a standard 512*512 intensity image with an 8 bit gray scale. The watermark is capa...
ICMCS
1999
IEEE
15 years 1 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...
ICIP
2001
IEEE
15 years 11 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...