Morphology-based 3D volume metamorphosis

Authors:
Tong-Yee Lee;Chao-Hung Lin;Wen-Hsiu Wang
Affiliations:
Department of Computer Science and Information Engineering, National Cheng-Kung University, Tainan, Taiwan, Republic of China;Department of Computer Science and Information Engineering, National Cheng-Kung University, Tainan, Taiwan, Republic of China;Department of Computer Science and Information Engineering, National Cheng-Kung University, Tainan, Taiwan, Republic of China
Venue:
ICCSA'03 Proceedings of the 2003 international conference on Computational science and its applications: PartIII
Year:
2003

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Abstract

In this paper, we present a morphology-based scheme to perform 3D volume morphing. Our proposed scheme is a non-feature-based metamorphosis technique. This method avoids tedious feature specifications to control shape transitions. However, the proposed scheme yields a satisfactory morphing sequence for several examples evaluated in this paper. The proposed method consists of three steps: (1) create a morphological difference object volume (MDOV), (2) and perform both dilation-based distance transform, and (3) erosion-based interpolation on MDOV to accomplish volume morphing. Furthermore, with combination of a well-known principal axes registration (PAR) technique, the proposed method can smoothly morph two objects with different orientations. Finally, we present some interesting preliminary experimental results to evaluate the proposed method.