262 search results - page 49 / 53 » DWT-DCT-SVD based watermarking |
DSP
2006
14 years 9 months ago
2006
We address the problem of detecting the presence of hidden messages in audio. The detector is based on the characteristics of the denoised residuals of the audio file, which may c...
ICIP
2004
IEEE
15 years 11 months ago
2004
IEEE
In this paper we suggest viewing images (as well as attacks on them) as a sequence of linear operators and propose novel hashing algorithms employing transforms that are based on ...
94
Voted
CCS
2003
ACM
15 years 2 months ago
2003
ACM
Network based intruders seldom attack directly from their own hosts, but rather stage their attacks through intermediate “stepping stones” to conceal their identity and origin...
128
Voted
CVPR
2012
IEEE
12 years 12 months ago
2012
IEEE
We introduce a method to repair an image which has been stamped by an identigram or a watermark. Our method is based on the cross-channel correlation which assures the co-occurren...
ICIP
2004
IEEE
15 years 11 months ago
2004
IEEE
Perceptual image hashing maps an image to a fixed length binary string based on the image's appearance to the human eye, and has applications in image indexing, authenticatio...