Model Fitting using an Active Surface with Global Deformations


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 4, No. 3, pp. 792-801, Mar. 1997
10.3745/KIPSTE.1997.4.3.792,   PDF Download:

Abstract

In this paper we propose an algorithm which fits a surface to noise-corrupted data points using an active surface with global deformations. It is 3-dimensional surface extension of our previous works on 2-dimentional curve model[11,12]. We use finite differences, and represent shapes of surface as global transformation during evolution based on the balloon model[2,3] which allows partial inflation or deflation by using neighborhood''s external forces on each node points. At first, we make local deformations based on the balloon model, and then the global transformation from the surface before deformations to the defomed surface is calculated by the deterministic least square method, finally we apply the global transformation to the surface before deformations. In experiments we fit a surface(ellipsoid, B-spline) to noise-corrupted 3D data points using the active surface with affine deformations.


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Cite this article
[IEEE Style]
K. D. Keun, C. J. Won, H. C. Jung, "Model Fitting using an Active Surface with Global Deformations," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 4, no. 3, pp. 792-801, 1997. DOI: 10.3745/KIPSTE.1997.4.3.792.

[ACM Style]
Kim Dong Keun, Choi Jeung Won, and Hwang Chi Jung. 1997. Model Fitting using an Active Surface with Global Deformations. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 4, 3, (1997), 792-801. DOI: 10.3745/KIPSTE.1997.4.3.792.