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» Some Results on the Modelling of Spatial Data
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ACSAC
2010
IEEE
15 years 3 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»
15 years 10 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
13 years 8 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»
15 years 5 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»
15 years 5 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