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  • Stéphane Lafon, Weiqiang Jing
  • 2006
  • In this paper, we provide a framework based upon diffusion processes for finding meaningful geometric descriptions of data sets. We show that eigenfunctions of Markov matrices can be used toContinue Reading
  • R R Coifman, Stéphane Lafon, +4 authors Steven W. Zucker
  • Computer Science, Medicine
  • Proceedings of the National Academy of Sciences…
  • 2005 (First Publication: 24 May 2005)
  • We provide a framework for structural multiscale geometric organization of graphs and subsets of R(n). We use diffusion semigroups to generate multiscale geometries in order to organize and representContinue Reading
  • Stéphane Lafon, Ann B. Lee
  • Computer Science, Medicine
  • IEEE Transactions on Pattern Analysis and Machine…
  • 2006 (First Publication: 1 September 2006)
  • We provide evidence that nonlinear dimensionality reduction, clustering, and data set parameterization can be solved within one and the same framework. The main idea is to define a system ofContinue Reading