期刊
COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE
卷 91, 期 3, 页码 223-231出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.cmpb.2008.04.008
关键词
deformable models; non-linear behavior; model reduction; proper orthogonal decomposition
In this paper we introduce a new technique for the real-time simulation of non-linear tissue behavior based on a model reduction technique known as proper orthogonal (POD) or Karhunen-Loeve decompositions. The technique is based upon the construction of a complete model (using finite element modelling or other numerical technique, for instance, but possibly from experimental data) and the extraction and storage of the relevant information in order to construct a model with very few degrees of freedom, but that takes into account the highly non-linear response of most living tissues. We present its application to the simulation of palpation a human cornea and study the limitations and future needs of the proposed technique. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
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