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ALIFE
2008
15 years 3 months ago
Criteria for Conceptual and Operational Notions of Complexity
While complex systems have been studied now for more than two decades, there still is no agreement on what complexity actually is. This lack of a definition might be a problem when...
Dominique Chu
TSP
2008
115views more  TSP 2008»
15 years 3 months ago
The Shiftable Complex Directional Pyramid - Part I: Theoretical Aspects
Abstract--This paper presents an over-complete multiscale decomposition by combining the Laplacian pyramid and the complex directional filter bank (DFB). The filter bank is constru...
Truong T. Nguyen, Soontorn Oraintara
DCG
2008
86views more  DCG 2008»
15 years 3 months ago
Reconstruction Using Witness Complexes
We present a novel reconstruction algorithm that, given an input point set sampled from an object S, builds a one-parameter family of complexes that approximate S at different sca...
Leonidas J. Guibas, Steve Oudot
153
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INFORSID
1996
15 years 5 months ago
Propagation de versions dans les objets complexes
: This paper presents a propagation model for complex object versions. Complex objects are object linked to other objects by means of dependence relations such as composition, inhe...
Christelle Urtado, Chabane Oussalah
126
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JC
2008
92views more  JC 2008»
15 years 3 months ago
Characterizing Valiant's algebraic complexity classes
Valiant introduced 20 years ago an algebraic complexity theory to study the complexity of polynomial families. The basic computation model used is the arithmetic circuit, which ma...
Guillaume Malod, Natacha Portier