Research on 3D Modeling of Wupaolong based on Sparse Point Cloud Reconstruction of SFM Algorithm

Huang Jiantuan; Huang Lifang

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Research on 3D Modeling of Wupaolong based on Sparse Point Cloud Reconstruction of SFM Algorithm

机译：Research on 3D Modeling of Wupaolong based on Sparse Point Cloud Reconstruction of SFM Algorithm

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摘要

As a classic project for the inheritance of Chinese folk culture, Wupaolong has the characteristics of unique material selection and complex production technology. However, as the finished products of folk handicrafts may not comply with production standards, a common problem in the production of handicrafts. Focusing on the problems of poor visual effects such as uneven surface and jagged edges in the craft paper binding model constructed by point cloud, and the need to enhance the sense of reality, this paper proposes an optimization method for 3D model and triangulation based on 3D line features. This method first preprocesses the feature points and performs sparse matching and dense matching on the processed feature points to generate a dense point cloud. The dense point cloud is then processed by an adaptive weighted median filtering method. This is followed by application of surface modeling method based on Delaunay algorithm to realize the reconstruction of object triangulation. Based on the triangular patch, the reference plane of the craft paper binding surface is fitted, and the model surface is corrected and optimized based on the reference plane. With the aid of three-dimensional line segments, the triangulation at the edge of the craft paper binding is corrected and optimized. Finally, an optimized three-dimensional model of craft paper binding is obtained. Experimental results show that the proposed algorithm can improve the unevenness of the 3D model plane and edges, and maintain the characteristics of the 3D model plane and edges. Compared with the existing surface reconstruction algorithms based on point cloud features, the optimized triangulation and model have higher accuracy and quality, which can greatly improve the visual effect of the model and improve the accuracy of the three-dimensional model. The research results of this paper can realize 3D modeling development for the production process of Wupaolong, effectively improve the elevation accuracy of the model, realize the production standard of digital Wupaolong model, and provide reference for folk production process. (C) 2022 Society for Imaging Science and Technology.

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《Journal of Imaging Science and Technology》 |2022年第3期|30504.1-30504.15|共15页
作者
Huang Jiantuan; Huang Lifang;
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作者单位

Guangxi Univ Nationalities, Coll Phys Educ & Hlth Care, Nanning 530004, Guangxi, Peoples R China;

Guilin Tourism Univ, Leisure & Hlth Coll, Guilin 541006, Guangxi, Peoples R China;

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Research on 3D Modeling of Wupaolong based on Sparse Point Cloud Reconstruction of SFM Algorithm

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