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» Some Results on the Modelling of Spatial Data
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ACSAC
2010
IEEE
13 years 7 months ago
Spam mitigation using spatio-temporal reputations from blacklist history
IP blacklists are a spam filtering tool employed by a large number of email providers. Centrally maintained and well regarded, blacklists can filter 80+% of spam without having to...
Andrew G. West, Adam J. Aviv, Jian Chang, Insup Le...
PCM
2001
Springer
139views Multimedia» more  PCM 2001»
14 years 1 months ago
Fast and Robust Sprite Generation for MPEG-4 Video Coding
This paper presents a fast and robust sprite generation algorithm for MPEG-4 video coding. Our contributions consist of two aspects. Firstly, a fast and robust Global Motion Estima...
Yan Lu, Wen Gao, Feng Wu
PAMI
2012
11 years 11 months ago
A Blur-Robust Descriptor with Applications to Face Recognition
—Understanding the effect of blur is an important problem in unconstrained visual analysis. We address this problem in the context of image-based recognition, by a fusion of imag...
Raghuraman Gopalan, Sima Taheri, Pavan K. Turaga, ...
TON
2008
239views more  TON 2008»
13 years 9 months ago
Characterization of failures in an operational IP backbone network
Abstract--As the Internet evolves into a ubiquitous communication infrastructure and supports increasingly important services, its dependability in the presence of various failures...
Athina Markopoulou, Gianluca Iannaccone, Supratik ...
BMCBI
2006
110views more  BMCBI 2006»
13 years 9 months ago
Bias in error estimation when using cross-validation for model selection
Background: Cross-validation (CV) is an effective method for estimating the prediction error of a classifier. Some recent articles have proposed methods for optimizing classifiers...
Sudhir Varma, Richard Simon