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Smoothing large data sets using discrete thin plate splines

Stals, Linda; Roberts, Stephen

Description

Traditional thin plate splines use radial basis functions and require the solution of a dense linear system of equations whose size is proportional to the number of data points. Instead of radial basis functions we present a method based on the use of polynomials with local support defined on finite element grids. This method is more efficient when dealing with large data sets as the resulting system of equations is sparse and its size depends only on the number of nodes in the finite element...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/20263
Source: Computing and Visualization in Science
DOI: 10.1007/s00791-006-0033-x

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