Abstract
Surface remeshing is widely required in modeling, animation, simulation, and many other computer graphics applications. Improving the elements’ quality is a challenging task in surface remeshing. Existing methods often fail to efficiently remove poor-quality elements especially in regions with sharp features. In this paper, we propose and use a robust segmentation method followed by remeshing the segmented mesh. Mesh segmentation is initiated using an existing Live-wire interaction approach and is further refined using local mesh operations. The refined segmented mesh is finally sent to the remeshing pipeline, in which each mesh segment is remeshed independently. An experimental study compares our mesh segmentation method as well as remeshing results with representative existing methods. We demonstrate that the proposed segmentation method is robust and suitable for remeshing.
Highlights
Surface meshes are typically used for shape representation
Live-wire is an efficient technique for curve drawing and mesh segmentation, especially for models with thin and sharp features, such as the lion’s or dog’s ears or the feline’s wings
The two operations along with edge flipping for valance optimization and vertex relocation are repeated; 5–10 times are used in the original realtime adaptive remeshing (RAR) method
Summary
Surface meshes are typically used for shape representation. these meshes are frequently generated in raw form, and as a result contain poor-quality elements. Automatic algorithms perform segmentation by grouping triangles, and the segmentation boundaries are defined by original edges of the input Such boundaries are irregular if the input mesh quality is low, affecting the final stitched result. The triangles touching the user-guided segmentation curves are processed with basic operations, including vertex relocation, edge flipping, edge splitting, edge collapsing, and face labeling. A method of producing a segmented mesh with minor (negligible) changes in complexity and structure to the input mesh, which does not introduce small angles near the segmentation curves, providing a meaningful and more suitable segmentation for surface remeshing;. A segment-based surface remeshing method with additional local region operators, which can generate a high-quality mesh
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