474 search results - page 62 / 95 » Region-Based Watermarking for Images |
ICPR
2008
IEEE
14 years 4 months ago
2008
IEEE
We propose a new remote multimodal biometric authentication framework based on fragile watermarking for transferring multi-biometrics over networks to server for authentication. A...
IWDW
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. Many coded digital watermarking systems development requires first the selection of a (uncoded) modulation technique to be part of a coded architecture. Therefore, perfo...
PCM
2001
Springer
14 years 2 months ago
2001
Springer
In video communications over error introducing channels, error concealment techniques are widely applied in video decoder for good subjective images output. However, a damaged MB ...
ICMCS
1999
IEEE
14 years 2 months ago
1999
IEEE
Many types of pseudo-random signals have been used to embed signatures as watermarks, with spread spectrum signal techniques used to recover the signature from the encrypted data....
JMM2
2008
13 years 9 months ago
2008
In this work, an adaptive image compression algorithm is proposed based on the prediction of AC coefficients in Discrete Cosine Transform (DCT) block during reconstruction of image...