32 search results - page 5 / 7 » Lapped-orthogonal-transform-based adaptive image watermarkin... |
JMM2
2008
13 years 5 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...
SPIESR
1998
13 years 6 months ago
1998
ICIP
2008
IEEE
14 years 7 months ago
2008
IEEE
Halftone image watermarking techniques that allow automated extraction of the embedded watermark data are useful in a variety of document security and workflow applications. The p...
IJIT
2004
13 years 6 months ago
2004
In this paper we investigate the watermarking authentication when applied to medical imagery field. We first give an overview of watermarking technology by paying attention to frag...
ICIP
2000
IEEE
14 years 7 months ago
2000
IEEE
We describe effective channel coding strategies which can be used in conjunction with linear programming optimization techniques for the embedding of robust perceptually adaptive ...