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ICML
2004
IEEE
15 years 7 months ago
Active learning using pre-clustering
The paper is concerned with two-class active learning. While the common approach for collecting data in active learning is to select samples close to the classification boundary,...
Hieu Tat Nguyen, Arnold W. M. Smeulders
FLAIRS
2007
15 years 4 months ago
Improving Cluster Method Quality by Validity Indices
Clustering attempts to discover significant groups present in a data set. It is an unsupervised process. It is difficult to define when a clustering result is acceptable. Thus,...
Narjes Hachani, Habib Ounelli
ISBI
2007
IEEE
15 years 8 months ago
A Fractal Multi-Dimensional Ultrasound Scatterer Distribution Model
This paper presents a multi-dimensional point scatterer distribution model for the context of ultrasound image simulation. The model has a simple parameterisation, has low computa...
Catherine Laporte, James J. Clark, Tal Arbel
DGO
2007
192views Education» more  DGO 2007»
15 years 3 months ago
D-HOTM: distributed higher order text mining
We present D-HOTM, a framework for Distributed Higher Order Text Mining based on named entities extracted from textual data that are stored in distributed relational databases. Unl...
William M. Pottenger
VTC
2007
IEEE
130views Communications» more  VTC 2007»
15 years 8 months ago
Cross-Correlation Analysis of Generalized Distributed Antenna Systems with Cooperative Diversity
— In this paper, geometry-based channel models are proposed to describe the topology of generalized distributed antenna systems with cooperative diversity (GDAS-CD). The system a...
Yifan Chen, Chau Yuen, Yan Zhang, Zhenrong Zhang