123 search results - page 16 / 25 » New attacks on SARI image authentication system |
DRM
2007
Springer
15 years 5 months ago
2007
Springer
We present a new technique for generating biometric fingerprint hashes, or summaries of information contained in human fingerprints. Our method calculates and aggregates various...
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ICMCS
2006
IEEE
15 years 5 months ago
2006
IEEE
The distribution of the wavelet coefficients in 2-D discrete wavelet transform (DWT) subspaces can be well described by a Gaussian mixture statistical model. In this paper, a secr...
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IWDW
2005
Springer
15 years 4 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...
ICMCS
2010
IEEE
14 years 11 months ago
2010
IEEE
In daily life, we can see images of real-life objects on posters, television, or virtually any type of smooth physical surfaces. We seldom confuse these images with the objects pe...
WWW
2009
ACM
15 years 11 months ago
2009
ACM
We present a new CAPTCHA which is based on identifying an image's upright orientation. This task requires analysis of the often complex contents of an image, a task which hum...