34 search results - page 2 / 7 » Embedding Invisible Information in Color Images |
TIFS
2008
13 years 7 months ago
2008
This paper presents two vector watermarking schemes that are based on the use of complex and quaternion Fourier transforms and demonstrates, for the first time, how to embed waterm...
WACV
2012
IEEE
12 years 3 months ago
2012
IEEE
The growing ubiquity of cameras in hand-held devices and the prevalence of electronic displays in signage creates a novel framework for wireless communications. Traditionally, the...
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
This work concentrates on the problem of watermarking embedding and optimum detection in color images through the use of spread spectrum techniques, both in space (Direct Sequence...
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
A common feature found in practically all technical approaches proposed for face recognition is the use of only the luminance information associated to the face image. One may won...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
This paper presents a new technique based on anisotropic diffusion for segmenting color images. This operation is accomplished through two independent anisotropic diffusion proces...