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» Decidable Extensions of Church's Problem
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ATVA
2010
Springer
148views Hardware» more  ATVA 2010»
15 years 2 months ago
Recursive Timed Automata
We study recursive timed automata that extend timed automata with recursion. Timed automata, as introduced by Alur and Dill, are finite automata accompanied by a finite set of real...
Ashutosh Trivedi, Dominik Wojtczak
134
Voted
IANDC
2011
129views more  IANDC 2011»
14 years 8 months ago
Rigid tree automata and applications
We introduce the class of Rigid Tree Automata (RTA), an extension of standard bottom-up automata on ranked trees with distinguished states called rigid. Rigid states define a res...
Florent Jacquemard, Francis Klay, Camille Vacher
94
Voted
FCT
2005
Springer
15 years 7 months ago
Exact Algorithms for Graph Homomorphisms
Graph homomorphism, also called H-coloring, is a natural generalization of graph coloring: There is a homomorphism from a graph G to a complete graph on k vertices if and only if ...
Fedor V. Fomin, Pinar Heggernes, Dieter Kratsch
CVPR
2007
IEEE
16 years 3 months ago
Robust Metric Reconstruction from Challenging Video Sequences
Although camera self-calibration and metric reconstruction have been extensively studied during the past decades, automatic metric reconstruction from long video sequences with va...
Guofeng Zhang, Xueying Qin, Wei Hua, Tien-Tsin Won...
IROS
2007
IEEE
188views Robotics» more  IROS 2007»
15 years 8 months ago
Behavior maps for online planning of obstacle negotiation and climbing on rough terrain
Abstract— To autonomously navigate on rough terrain is a challenging problem for mobile robots, requiring the ability to decide whether parts of the environment can be traversed ...
Christian Dornhege, Alexander Kleiner