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» On the Invariance of Ant System
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ICML
2008
IEEE
15 years 10 months ago
The skew spectrum of graphs
The central issue in representing graphstructured data instances in learning algorithms is designing features which are invariant to permuting the numbering of the vertices. We pr...
Risi Imre Kondor, Karsten M. Borgwardt
AGTIVE
2007
Springer
15 years 1 months ago
Verification and Synthesis of OCL Constraints Via Topology Analysis
On the basis of a case-study, we demonstrate the usefulness of topology invariants for model-driven systems development. Considering a graph grammar semantics for a relevant fragme...
Jörg Bauer, Werner Damm, Tobe Toben, Bernd We...
IEICET
2010
124views more  IEICET 2010»
14 years 4 months ago
Fast Polar and Spherical Fourier Descriptors for Feature Extraction
Polar Fourier Descriptor(PFD) and Spherical Fourier Descriptor(SFD) are rotation invariant feature descriptors for two dimensional(2D) and three dimensional(3D) image retrieval an...
Zhuo Yang, Sei-ichiro Kamata
AMR
2005
Springer
128views Multimedia» more  AMR 2005»
15 years 3 months ago
Ranking Invariance Based on Similarity Measures in Document Retrieval
Abstract. To automatically retrieve documents or images from a database, retrieval systems use similarity measures to compare a request based on features extracted from the documen...
Jean-François Omhover, Maria Rifqi, Marcin ...
CORR
2008
Springer
71views Education» more  CORR 2008»
14 years 10 months ago
Problem Solving and Complex Systems
The observation and modeling of natural Complex Systems (CSs) like the human nervous system, the evolution or the weather, allows the definition of special abilities and models re...
Frédéric Guinand, Yoann Pigné