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ICPR
2008
IEEE
14 years 9 months ago
A machine learning based scheme for double JPEG compression detection
Double JPEG compression detection is of significance in digital forensics. We propose an effective machine learning based scheme to distinguish between double and single JPEG comp...
Chunhua Chen, Wei Su, Yun Q. Shi
FIMH
2005
Springer
14 years 1 months ago
Supporting the TECAB Grafting Through CT Based Analysis of Coronary Arteries
Calcified coronary arteries can cause severe cardiac problems and may provoke an infarction of the heart’s wall. An established treatment method is the bypass operation. The usa...
Stefan Wesarg
IJISEC
2007
66views more  IJISEC 2007»
13 years 7 months ago
Protecting data privacy through hard-to-reverse negative databases
The paper extends the idea of negative representations of information for enhancing privacy. Simply put, a set DB of data elements can be represented in terms of its complement set...
Fernando Esponda, Elena S. Ackley, Paul Helman, Ha...
CVPR
2003
IEEE
14 years 9 months ago
An Efficient Approach to Learning Inhomogeneous Gibbs Model
Inhomogeneous Gibbs model (IGM) [4] is an effective maximum entropy model in characterizing complex highdimensional distributions. However, its training process is so slow that th...
Ziqiang Liu, Hong Chen, Heung-Yeung Shum
P2P
2007
IEEE
14 years 2 months ago
Rescuing Tit-for-Tat with Source Coding
Tit-for-tat is widely believed to be the most effective strategy to enforce collaboration among selfish users. However, it has been shown that its usefulness for decentralized an...
Thomas Locher, Stefan Schmid, Roger Wattenhofer