Abstract #0273
How should tractography go forward? A Tractometer evaluation of local reconstruction and tracking
Jean-Christophe Houde 1 , Emmanuel Caruyer 2 , Alessandro Daducci 3 , and Maxime Descoteaux 1
1
Computer Science Departement, Universit de
Sherbrooke, Sherbrooke, Qubec, Canada,
2
Department
of Radiology, University of Pennsylvania, Pennsylvania,
United States,
3
Signal
Processing Lab (LTS5), cole polytechnique fdrale de
Lausanne (EPFL), Lausanne, Switzerland
The Tractometer evaluation system is presented. We show
how it was used to evaluate entries in the ISBI 2013
HARDI reconstruction challenge. From this evaluation,
important questions about local modeling and
tractography arose, such as: for the tractography end
user, what is really important? More precise local
reconstructions? Tracking algorithms with the least
errors, or with the least missed bundles? Is angular
error the best quality metric for local model
development? How should we deal with errors in
tractography? And most critically, how can we evaluate
tractography pipelines on real data? These questions,
and some insights, are presented in this work.
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