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92
Voted
IJBC
2002
15 years 13 days ago
2002
The relationship between Cellular Nonlinear Networks (CNNs) and Partial Differential Equations (PDEs) is investigated. The equivalence between discrete-space CNN models and contin...
107
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CORR
2011
Springer
14 years 7 months ago
2011
Springer
The Helly number of a family of sets with empty intersection is the size of its largest inclusionwise minimal sub-family with empty intersection. Let F be a finite family of open...
98
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COMPGEOM
2004
ACM
15 years 6 months ago
2004
ACM
The Reeb graph is a useful tool in visualizing real-valued data obtained from computational simulations of physical processes. We characterize the evolution of the Reeb graph of a...
102
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ICDAR
2003
IEEE
15 years 6 months ago
2003
IEEE
There is a significant need to recognise the text in images on web pages, both for effective indexing and for presentation by non-visual means (e.g., audio). This paper presents a...
STACS
1995
Springer
15 years 4 months ago
1995
Springer
Abstract. A solid object in 3-dimensional space may be described by a collection of all its topologically distinct 2-dimensional appearances, its aspect graph. In this paper, we st...