2007
DOI: 10.1093/biomet/asm047
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Shape-space smoothing splines for planar landmark data

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Cited by 63 publications
(73 citation statements)
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“…In previous work, non-parametric kernel-based and spline-based methods have been extended to observations that lie on a Riemannian manifold with some success [8,18,22,26], but intrinsic parametric regression on Riemannian manifolds has received limited attention. Recently, Fletcher [12] and Niethammer et al [31] have each independently developed a form of parametric regression, geodesic regression, which generalizes the notion of linear regression to Riemannian manifolds.…”
Section: Regression Analysis and Curve-fittingmentioning
confidence: 99%
“…In previous work, non-parametric kernel-based and spline-based methods have been extended to observations that lie on a Riemannian manifold with some success [8,18,22,26], but intrinsic parametric regression on Riemannian manifolds has received limited attention. Recently, Fletcher [12] and Niethammer et al [31] have each independently developed a form of parametric regression, geodesic regression, which generalizes the notion of linear regression to Riemannian manifolds.…”
Section: Regression Analysis and Curve-fittingmentioning
confidence: 99%
“…Human movement A human movement dataset introduced in Kume et al (2007) contains 50 samples of k = 4 landmarks on the lower back, shoulder, wrist, and index finger. The dataset consists of shape configurations of five different reaching movements projected in the plane of a table, each observed at ten different time-points.…”
Section: Real Data Analysismentioning
confidence: 99%
“…There has been a concern that when non-geodesic variation is major and apparent, geodesicbased methods do not give a fully effective decomposition of the space. As an example, a dataset of shapes representing human movements, discussed later in § 5·1 and introduced in Kume et al (2007), is plotted in the top panel of Fig. 1 using the first two principal component directions.…”
Section: Introductionmentioning
confidence: 99%
“…Another approach to interpolation on manifolds consists of mapping the data points onto the affine tangent space at a particular point of M , then computing an interpolating curve in the tangent space, and finally mapping the resulting curve back to the manifold. The mapping can be defined, e.g., by a rolling procedure, see [HS07,KDL07].…”
Section: Previous Workmentioning
confidence: 99%