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ICASSP
2011
IEEE
14 years 4 months ago
Improved DCT coefficient analysis for forgery localization in JPEG images
In this paper, we propose a statistical test to discriminate between original and forged regions in JPEG images, under the hypothesis that the former are doubly compressed while t...
Tiziano Bianchi, Alessia De Rosa, Alessandro Piva
ACL
2011
14 years 4 months ago
Language of Vandalism: Improving Wikipedia Vandalism Detection via Stylometric Analysis
Community-based knowledge forums, such as Wikipedia, are susceptible to vandalism, i.e., ill-intentioned contributions that are detrimental to the quality of collective intelligen...
Manoj Harpalani, Michael Hart, Sandesh Signh, Rob ...
CRYPTO
2011
Springer
274views Cryptology» more  CRYPTO 2011»
14 years 18 days ago
Order-Preserving Encryption Revisited: Improved Security Analysis and Alternative Solutions
Alexandra Boldyreva, Nathan Chenette, Adam O'Neill
SDM
2012
SIAM
245views Data Mining» more  SDM 2012»
13 years 3 months ago
Deterministic CUR for Improved Large-Scale Data Analysis: An Empirical Study
Low-rank approximations which are computed from selected rows and columns of a given data matrix have attracted considerable attention lately. They have been proposed as an altern...
Christian Thurau, Kristian Kersting, Christian Bau...