Abstract
Efficient creation of 3D organic models is an important topic. In this paper, we propose a new approach to create rough 3D organic base models easily and quickly. The proposed approach first generates 2D sketches by manually drawing outlines of 3D organic objects or extracting outlines from 2D images. Then the generated outlines are decomposed into parts. For each of the decomposed parts, a central line is calculated from the two corresponding sketch segments. A straight cylinder is bent so that its central line coincides with the central line of the two corresponding sketch segments. The radius of the cylinder is determined by minimizing the sum of the squared errors between the projected silhouette curves of the placed cylinder and the two corresponding sketch segments. Finally, an ordinary differential equation (ODE)-based and sketch-guided deformation algorithm is proposed to deform the cylinder so that the projected silhouette curves of the deformed cylinder exactly fit the two corresponding sketch segments. The experiment carried out in this paper demonstrates that the approach proposed in this paper can create 3D organic base models from 2D sketches easily and quickly.
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Acknowledgements
This research is supported by the PDE-GIR project which has received funding from the European Unions Horizon 2020 research and innovation programme under the Marie Skodowska-Curie grant agreement No. 778035, and Innovate UK (Knowledge Transfer Partnerships Ref: KTP010860).
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Li, O., Bian, S., Noreika, A., Kazmi, I.K., You, L., Zhang, J. (2021). Efficient Creation of 3D Organic Models from Sketches and ODE-Based Deformations. In: Gavrilova, M.L., Tan, C.K. (eds) Transactions on Computational Science XXXVIII. Lecture Notes in Computer Science(), vol 12620. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-63170-6_1
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