105 search results - page 11 / 21 » A Secure and Localizing Watermarking Technique for Image Aut... |
IEEEIAS
2009
IEEE
14 years 2 months 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 ...
IWDW
2005
Springer
14 years 1 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...
ICIP
1994
IEEE
14 years 9 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...
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
An algorithm is presented which implements image watermarking in the domain of an overcomplete, or redundant, wavelet transform. This algorithm expands on a previous method which ...
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
This paper proposes a detailed framework of storing privacy information in surveillance video as a watermark. Authorized personnel is not only removed from the surveillance video ...