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Improved VSF Algorithm of Smooth Surface Reconstruction from Sparse Medical Data

Abstract : This paper presents aModifiedVariational Splines Fitting (MVSF) algorithm for surface reconstruction using thin plate splines on scattered patches or points of originally smooth surfaces. In particular, a more accurate derivation of the discrete equations for the energy corresponding to the thin plate model is introduced. The results obtained on simulated data show that the proposed algorithm converges faster than the original VSF algorithm. Additionally, we discuss an approach for choosing the algorithm's parameters using a cross validation technique. Results obtained with the modified algorithm are compared to those using a Frequency Fourier-based 3D Harmonic modelling (3DHM) algorithm and show that the proposed algorithm gives an improved performance under the small sample size condition. The developed model has been successfully applied for real biomedical data; in particular for the reconstruction of left ventricle of human heart.
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https://hal.archives-ouvertes.fr/hal-00440462
Contributor : Maïtine Bergounioux <>
Submitted on : Thursday, December 10, 2009 - 8:31:53 PM
Last modification on : Saturday, November 9, 2019 - 5:24:02 PM

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Ahmad Almhdie, Maïtine Bergounioux, Mohamed Deriche, Roger Lédée, Christophe Léger. Improved VSF Algorithm of Smooth Surface Reconstruction from Sparse Medical Data. Journal of Computing and Information Technology, University Computing Centre Zagreb, 2007, 15 (2), pp.123-130. ⟨10.2498/cit.1000820⟩. ⟨hal-00440462⟩

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