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DKE
2002
218views more  DKE 2002»
15 years 6 months ago
Computing iceberg concept lattices with T
We introduce the notion of iceberg concept lattices and show their use in knowledge discovery in databases. Iceberg lattices are a conceptual clustering method, which is well suit...
Gerd Stumme, Rafik Taouil, Yves Bastide, Nicolas P...
JEI
2002
88views more  JEI 2002»
15 years 6 months ago
Natural image database and its use for scene illuminant estimation
This paper describes a database collecting natural color images, called the Natural Image Database, and shows how it is used for illuminant estimation problems. First, we present ...
Shoji Tominaga
PRESENCE
2002
194views more  PRESENCE 2002»
15 years 6 months ago
Explorations in the Use of Augmented Reality for Geographic Visualization
In this paper we describe two explorations in the use of hybrid user interfaces for collaborative geographic data visualization. Our first interface combines three technologies; A...
Nicholas R. Hedley, Mark Billinghurst, Lori Postne...
SIGIR
2002
ACM
15 years 6 months ago
Effective collection metasearch in a hierarchical environment: global vs. localized retrieval performance
We compare standard global IR searching with user-centric localized techniques to address the database selection problem. We conduct a series of experiments to compare the retriev...
Jack G. Conrad, Changwen Yang, Joanne S. Claussen
IJCAT
2010
273views more  IJCAT 2010»
15 years 5 months ago
FPGA implementation of log-polar mapping
Log-polar or spatially-variant image representation is an important component of active vision system in tracking process for many robotic applications due to its data compression ...
Wai Kit Wong, Chee Wee Choo, Chu Kiong Loo, Joo Pe...