Abstract
In many applications, objects are reconstructed from cross-sections for visualization, finite element and dynamic analysis. Although cross-section of an object may contain multiple contours, a few papers have dealt with branching problem. Moreover ends of branches are described flatly. In this paper, as a basic study for dynamic analysis of a human knee joint, we present a new modeling method which proposes a data-set for solving branching problem and handling convex-end-condition of branches. We select an initial standard point from lowest slice and decide a nearest standard point of the next slice and the next, in turns. Based on standard points, we complete the data-set by applying contour alignment. For 3D reconstruction, the surface is approximated by bicubic non-uniform B-spline surface fitting. This method provides the smooth surface model with C2 continuity and describes the convexity of ends of branches.
This study was supported by a grant of the Korea Health 21 R&D Project, Ministry of Health & Welfare, Republic of Korea.(02-PJ3-PG6-EV06-0002) Corresponding author: Joung H. Mun, Ph.D., Dept. of Bio-Mechatronic Engineering, College of Life Science and Technology, Sungkyunkwan University, Suwon, Korea. (Tel) +82-31-290- 7827 (e-mail) jmun@skku.ac.kr
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© 2004 Springer-Verlag Berlin Heidelberg
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Kim, H.S., Kim, Y.H., Choe, Y.H., Kim, SM., Cho, TS., Mun, J.H. (2004). A New Modeling Method for Objects with Branching Problem Using Non-uniform B-Spline. In: Bubak, M., van Albada, G.D., Sloot, P.M.A., Dongarra, J. (eds) Computational Science - ICCS 2004. ICCS 2004. Lecture Notes in Computer Science, vol 3039. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-25944-2_142
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DOI: https://doi.org/10.1007/978-3-540-25944-2_142
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