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Persistent Reeb Graph Matching for Fast Brain Search

  • Yonggang Shi
  • Junning Li
  • Arthur W. Toga
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8679)

Abstract

In this paper we propose a novel algorithm for the efficient search of the most similar brains from a large collection of MR imaging data. The key idea is to compactly represent and quantify the differences of cortical surfaces in terms of their intrinsic geometry by comparing the Reeb graphs constructed from their Laplace-Beltrami eigenfunctions. To overcome the topological noise in the Reeb graphs, we develop a progressive pruning and matching algorithm based on the persistence of critical points. Given the Reeb graphs of two cortical surfaces, our method can calculate their distance in less than 10 milliseconds on a PC. In experimental results, we apply our method on a large collection of 1326 brains for searching, clustering, and automated labeling to demonstrate its value for the “Big Data” science in human neuroimaging.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Yonggang Shi
    • 1
  • Junning Li
    • 1
  • Arthur W. Toga
    • 1
  1. 1.Laboratory of Neuro Imaging (LONI), Institute for Neuroimaging and Informatics, Keck School of MedicineUniversity of Southern CaliforniaUSA

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