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ICTAI
2005
IEEE
14 years 3 months ago
Determining the Optimal Number of Clusters Using a New Evolutionary Algorithm
Estimating the optimal number of clusters for a dataset is one of the most essential issues in cluster analysis. An improper pre-selection for the number of clusters might easily ...
Wei Lu, Issa Traoré
SMI
2005
IEEE
181views Image Analysis» more  SMI 2005»
14 years 3 months ago
A Tracing Algorithm for Constructing Medial Axis Transform of 3D Objects Bound by Free-Form Surfaces
This paper presents an algorithm for generating the Medial Axis Transform(MAT) of 3D objects with free-form boundaries. The algorithm proposed uses the exact representation of the...
M. Ramanathan, B. Gurumoorthy
EUC
2005
Springer
14 years 3 months ago
The Content Analyzer Supporting Interoperability of MPEG-4 Content in Heterogeneous Players
MPEG-4 supports object-based interactive multimedia applications. To compose complex multimedia scene, MPEG-4 supports BIFS and XMT as scene description. For interoperability of th...
Hyunju Lee, Sangwook Kim
ICIAR
2005
Springer
14 years 3 months ago
Compressing 2-D Shapes Using Concavity Trees
Concavity trees have been known for quite some time as structural descriptors of 2-D shape; however, they haven’t been explored further until recently. This paper shows how 2-D s...
Ossama El Badawy, Mohamed S. Kamel
ICTAC
2005
Springer
14 years 3 months ago
Covarieties of Coalgebras: Comonads and Coequations
Coalgebras provide effective models of data structures and state-transition systems. A virtual covariety is a class of coalgebras closed under coproducts, images of coalgebraic mo...
Ranald Clouston, Robert Goldblatt