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TMI
2002
88views more  TMI 2002»
15 years 6 months ago
What is the best similarity measure for motion correction in fMRI time series?
It has been shown that the difference of squares cost function used by standard realignment packages (SPM and AIR) can lead to the detection of spurious activations, because the mo...
Luis Freire, Alexis Roche, Jean-Francois Mangin
COR
2008
102views more  COR 2008»
15 years 6 months ago
An algorithm for ranking assignments using reoptimization
We consider the problem of ranking assignments according to cost in the classical linear assignment problem. An algorithm partitioning the set of possible assignments, as suggeste...
Christian Roed Pedersen, Lars Relund Nielsen, Kim ...
EOR
2008
100views more  EOR 2008»
15 years 5 months ago
Urban rapid transit network capacity expansion
The rapid transit network design problem consists on the location of the train alignments and stations in an urban traffic context. The location problem incorporates the demand dec...
Ángel Marín, Patricia Jaramillo
TALG
2010
101views more  TALG 2010»
15 years 5 months ago
Reasoning about online algorithms with weighted automata
We describe an automata-theoretic approach for the competitive analysis of online algorithms. Our approach is based on weighted automata, which assign to each input word a cost in...
Benjamin Aminof, Orna Kupferman, Robby Lampert
CVPR
2008
IEEE
16 years 8 months ago
Face alignment via boosted ranking model
Face alignment seeks to deform a face model to match it with the features of the image of a face by optimizing an appropriate cost function. We propose a new face model that is al...
Gianfranco Doretto, Hao Wu, Xiaoming Liu 0002