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KDD
1998
ACM
181views Data Mining» more  KDD 1998»
13 years 12 months ago
Approaches to Online Learning and Concept Drift for User Identification in Computer Security
The task in the computer security domain of anomaly detection is to characterize the behaviors of a computer user (the `valid', or `normal' user) so that unusual occurre...
Terran Lane, Carla E. Brodley
ICIP
2003
IEEE
14 years 1 months ago
A piecewise Gaussian model for profiling and differentiating retinal vessels
Accurate measurement and identification of blood vessels could provide useful information to clinical diagnosis. A piecewise Gaussian model is proposed to describe the intensity d...
Huiqi Li, Wynne Hsu, Mong-Li Lee, Hongyu Wang
DAC
2007
ACM
14 years 8 months ago
Global Critical Path: A Tool for System-Level Timing Analysis
An effective method for focusing optimization effort on the most important parts of a design is to examine those elements on the critical path. Traditionally, the critical path is...
Girish Venkataramani, Mihai Budiu, Tiberiu Chelcea...
ADMA
2005
Springer
202views Data Mining» more  ADMA 2005»
13 years 9 months ago
A Latent Usage Approach for Clustering Web Transaction and Building User Profile
Web transaction data between web visitors and web functionalities usually convey users’ task-oriented behavior patterns. Clustering web transactions, thus, may capture such infor...
Yanchun Zhang, Guandong Xu, Xiaofang Zhou

Publication
314views
13 years 3 months ago
On the use of discrete Pascal transform in hiding data in images
The Discrete Pascal Transform (DPT) has been proved remarkably useful for edge detection, filter design, discrete-time signal interpolation and data hiding. In the present work a n...
E. E. Varsaki, V. Fotopoulos and A. N. Skodras