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Nonlinear Regression on Riemannian Manifolds and Its Applications to Neuro-Image Analysis

  • Monami BanerjeeEmail author
  • Rudrasis Chakraborty
  • Edward Ofori
  • David Vaillancourt
  • Baba C. Vemuri
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9349)

Abstract

Regression in its most common form where independent and dependent variables are in ℝ n is a ubiquitous tool in Sciences and Engineering. Recent advances in Medical Imaging has lead to a wide spread availability of manifold-valued data leading to problems where the independent variables are manifold-valued and dependent are real-valued or vice-versa. The most common method of regression on a manifold is the geodesic regression, which is the counterpart of linear regression in Euclidean space. Often, the relation between the variables is highly complex, and existing most commonly used geodesic regression can prove to be inaccurate. Thus, it is necessary to resort to a non-linear model for regression. In this work we present a novel Kernel based non-linear regression method when the mapping to be estimated is either from M → ℝ n or ℝ n  → M, where M is a Riemannian manifold. A key advantage of this approach is that there is no requirement for the manifold-valued data to necessarily inherit an ordering from the data in ℝ n . We present several synthetic and real data experiments along with comparisons to the state-of-the-art geodesic regression method in literature and thus validating the effectiveness of the proposed algorithm.

Keywords

Riemannian Manifold Support Vector Regression Essential Tremor Canonical Correlation Analysis Nonlinear Regression Technique 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Monami Banerjee
    • 1
    Email author
  • Rudrasis Chakraborty
    • 1
  • Edward Ofori
    • 2
  • David Vaillancourt
    • 2
  • Baba C. Vemuri
    • 1
  1. 1.Department of CISEUniversity of FloridaGainesvilleUSA
  2. 2.Department of Applied Physiology and KinesiologyUniversity of FloridaGainesvilleUSA

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