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MEDIAFORENSICS
2010
15 years 2 months ago
Improving re-sampling detection by adding noise
Current image re-sampling detectors can reliably detect re-sampling in JPEG images only up to a Quality Factor (QF) of 95 or higher. At lower QFs, periodic JPEG blocking artifacts...
Lakshmanan Nataraj, Anindya Sarkar, B. S. Manjunat...
114
Voted
ISPEC
2010
Springer
15 years 5 months ago
On Fast and Approximate Attack Tree Computations
Abstract. In this paper we address the problem of inefficiency of exact attack tree computations. We propose several implementation-level optimizations and introduce a genetic algo...
Aivo Jürgenson, Jan Willemson
93
Voted
AAAI
2010
15 years 2 months ago
Collusion Detection in Online Bridge
Collusion is a major unsolved security problem in online bridge: by illicitly exchanging card information over the telephone, instant messenger or the like, cheaters can gain huge...
Jeff Yan
99
Voted
CORR
2010
Springer
80views Education» more  CORR 2010»
15 years 24 days ago
New Set of Codes for the Maximum-Likelihood Decoding Problem
The maximum-likelihood decoding problem is known to be NP-hard for general linear and Reed-Solomon codes [1, 4]. In this paper, we introduce the notion of A-covered codes, that is...
Morgan Barbier
IPL
2010
247views more  IPL 2010»
14 years 11 months ago
The Floyd-Warshall algorithm on graphs with negative cycles
The Floyd-Warshall algorithm is a simple and widely used algorithm to compute shortest paths between all pairs of vertices in an edge weighted directed graph. It can also be used ...
Stefan Hougardy