24 search results - page 3 / 5 » Dither-based secure image hashing using distributed coding |
SIGMOD
2010
ACM
13 years 11 months ago
2010
ACM
We present SecureBlox, a declarative system that uniļ¬es a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speciļ...
ICIP
2009
IEEE
13 years 4 months ago
2009
IEEE
In this paper we describe a robust watermarking scheme for image tampering identification and localization. A compact representation of the image is first produced by assembling a...
ANSS
2008
IEEE
14 years 23 days ago
2008
IEEE
This paper describes a secure and reliable method for storing data in a distributed hash table (DHT) leveraging the inherent properties of the DHT to provide a secure storage subs...
CORR
2010
Springer
13 years 6 months ago
2010
Springer
Abstract--We investigate the problem of maintaining an encoded distributed storage system when some nodes contain adversarial errors. Using the error-correction capabilities that a...
MMSEC
2006
ACM
14 years 7 days ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...