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FOCM
2008
101views more  FOCM 2008»
13 years 4 months ago
Algorithms for Differential Invariants of Symmetry Groups of Differential Equations
We develop new computational algorithms, based on the method of equivariant moving frames, for classifying the differential invariants of Lie symmetry pseudo-groups of differential...
Jeongoo Cheh, Peter J. Olver, Juha Pohjanpelto
ECCV
2004
Springer
13 years 8 months ago
Galilean Differential Geometry of Moving Images
In this paper we develop a systematic theory about local structure of moving images in terms of Galilean differential invariants. We argue that Galilean invariants are useful for s...
Daniel Fagerström
CORR
2000
Springer
84views Education» more  CORR 2000»
13 years 4 months ago
Differential Invariants under Gamma Correction
This paper presents invariants under gamma correction and similarity transformations. The invariants are local features based on differentials which are implemented using derivati...
Andreas Siebert
CP
2006
Springer
13 years 8 months ago
Differentiable Invariants
Abstract. Invariants that incrementally maintain the value of expresder assignments to their variables are a natural abstraction to build high-level local search algorithms. But th...
Pascal Van Hentenryck, Laurent Michel
HYBRID
2004
Springer
13 years 10 months ago
Constructing Invariants for Hybrid Systems
Abstract. An invariant of a system is a predicate that holds for every reachable state. In this paper, we present techniques to generate invariants for hybrid systems. This is achi...
Sriram Sankaranarayanan, Henny Sipma, Zohar Manna