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CORR
2008
Springer
65views Education» more  CORR 2008»
13 years 9 months ago
The Wadge Hierarchy of Deterministic Tree Languages
Abstract. We provide a complete description of the Wadge hierarchy for deterministically recognizable sets of infinite trees. In particular we give an elementary procedure to decid...
Filip Murlak
COMBINATORICS
2006
144views more  COMBINATORICS 2006»
13 years 9 months ago
Weighted Zeta Functions of Graph Coverings
We present a decomposition formula for the weighted zeta function of an irregular covering of a graph by its weighted L-functions. Moreover, we give a factorization of the weighte...
Iwao Sato
SCALESPACE
2009
Springer
14 years 3 months ago
An Edge-Preserving Multilevel Method for Deblurring, Denoising, and Segmentation
We present a fast edge-preserving cascadic multilevel image restoration method for reducing blur and noise in contaminated images. The method also can be applied to segmentation. O...
Serena Morigi, Lothar Reichel, Fiorella Sgallari
BIRTHDAY
2004
Springer
14 years 2 months ago
On NFA Reductions
We give faster algorithms for two methods of reducing the number of states in nondeterministic finite automata. The first uses equivalences and the second uses preorders. We deve...
Lucian Ilie, Gonzalo Navarro, Sheng Yu
SGP
2007
13 years 11 months ago
Generalized surface flows for mesh processing
Geometric flows are ubiquitous in mesh processing. Curve and surface evolutions based on functional minimization have been used in the context of surface diffusion, denoising, sha...
Ilya Eckstein, Jean-Philippe Pons, Yiying Tong, C....