55 search results - page 8 / 11 » Using the Fractal Code to Watermark Images |
MUM
2004
ACM
14 years 3 months ago
2004
ACM
Within the expanding paradigm of medical imaging and wireless communications there is increasing demand for transmitting diagnostic medical imagery over error-prone wireless commu...
ICIP
2008
IEEE
14 years 11 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 11 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...
CORR
2006
Springer
13 years 9 months ago
2006
Springer
: This paper introduces the use of decimal sequences in a code division multiple access (CDMA) based watermarking system to hide information for authentication in black and white i...
TMM
2002
13 years 9 months ago
2002
In this paper a hybrid fractal and Discrete Cosine transform (DCT) coder is developed. Drawing on the ability of DCT to remove inter-pixel redundancies and on the ability of fracta...