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EMMCVPR
2005
Springer
16 years 6 days ago
Retrieving Articulated 3-D Models Using Medial Surfaces and Their Graph Spectra
We consider the use of medial surfaces to represent symmetries of cts. This allows for a qualitative abstraction based on a directed acyclic graph of components and also a degree o...
Juan Zhang, Kaleem Siddiqi, Diego Macrini, Ali Sho...
ICANNGA
2007
Springer
129views Algorithms» more  ICANNGA 2007»
15 years 10 months ago
Multi-class Support Vector Machines Based on Arranged Decision Graphs and Particle Swarm Optimization for Model Selection
Abstract. The use of support vector machines for multi-category problems is still an open field to research. Most of the published works use the one-against-rest strategy, but with...
Javier Acevedo, Saturnino Maldonado-Bascón,...
IPL
2008
82views more  IPL 2008»
15 years 6 months ago
On fully orientability of 2-degenerate graphs
Suppose that D is an acyclic orientation of the graph G. An arc of D is dependent if its reversal creates a directed cycle. Let d(D) denote the number of dependent arcs in D. Defi...
Hsin-Hao Lai, Gerard J. Chang, Ko-Wei Lih
APVIS
2011
14 years 6 months ago
An extended evaluation of the readability of tapered, animated, and textured directed-edge representations in node-link graphs
We present the results of a study comparing five directed-edge representations for use in 2D, screen-based node-link diagrams. The goal of this work is to extend the understandin...
Danny Holten, Petra Isenberg, Jarke J. van Wijk, J...
CALCO
2009
Springer
176views Mathematics» more  CALCO 2009»
16 years 1 months ago
Complementation of Coalgebra Automata
Abstract. Coalgebra automata, introduced by the second author, generalize the well-known automata that operate on infinite words/streams, trees, graphs or transition systems. This...
Christian Kissig, Yde Venema