170 search results - page 18 / 34 » A dual watermarking technique for images |
ICMCS
1999
IEEE
15 years 1 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....
TCSV
2008
14 years 9 months ago
2008
Look-up table (LUT)-based data hiding is a simple and efficient technique to hide secondary information (watermark) into multimedia work for various applications such as copyright ...
ISBI
2006
IEEE
15 years 10 months ago
2006
IEEE
An imaging system which simultaneously performs near infrared (NIR) tomography and magnetic resonance imaging (MRI) has been developed at Dartmouth College, to study breast tissue...
IWDW
2004
Springer
15 years 3 months ago
2004
Springer
: Invertible authentication techniques have been used in some special applications (such as medical or military) where original data can be recovered after authenticated. In this p...
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ICIP
2009
IEEE
14 years 7 months ago
2009
IEEE
Image registration is considered one of the most fundamental and crucial pre-processing tasks in digital imaging. This paper describes a fast multimodal automatic image registrati...