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SINOBIOMETRICS
2004
Springer
14 years 3 months ago
Face Recognition Under Varying Lighting Based on Derivates of Log Image
This paper considers the problem of recognizing faces under varying illuminations. First, we investigate the statistics of the derivative of the irradiance images (log) of human f...
Laiyun Qing, Shiguang Shan, Wen Gao
ESANN
2008
13 years 11 months ago
Machine learning in cancer research: implications for personalised medicine
Driven by the growing demand of personalization of medical procedures, data-based, computer-aided cancer research in human patients is advancing at an accelerating pace, providing ...
Alfredo Vellido, Elia Biganzoli, Paulo J. G. Lisbo...
DGO
2004
80views Education» more  DGO 2004»
13 years 11 months ago
Temporal Knowledge Discovery with Infrequent Episodes
In this paper, we present an efficient algorithm which discovers rare episodes with a combination of bottomup and top-down scanning schema. The information sharing between bottom-...
Dan Li, Liying Jiang, Jitender S. Deogun
KDD
2010
ACM
188views Data Mining» more  KDD 2010»
14 years 4 days ago
Inferring networks of diffusion and influence
Information diffusion and virus propagation are fundamental processes talking place in networks. While it is often possible to directly observe when nodes become infected, observi...
Manuel Gomez-Rodriguez, Jure Leskovec, Andreas Kra...
SIGMOD
2009
ACM
130views Database» more  SIGMOD 2009»
14 years 10 months ago
FlashLogging: exploiting flash devices for synchronous logging performance
Synchronous transactional logging is the central mechanism for ensuring data persistency and recoverability in database systems. Unfortunately, magnetic disks are ill-suited for t...
Shimin Chen