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- W4287563485 abstract "Mesh refinement is a fundamental step for accurate Multi-View Stereo. It modifies the geometry of an initial manifold mesh to minimize the photometric error induced in a set of camera pairs. This initial mesh is usually the output of volumetric 3D reconstruction based on min-cut over Delaunay Triangulations. Such methods produce a significant amount of non-manifold vertices, therefore they require a vertex split step to explicitly repair them. In this paper, we extend this method to preemptively fix the non-manifold vertices by reasoning directly on the Delaunay Triangulation and avoid most vertex splits. The main contribution of this paper addresses the problem of choosing the camera pairs adopted by the refinement process. We treat the problem as a mesh labeling process, where each label corresponds to a camera pair. Differently from the state-of-the-art methods, which use each camera pair to refine all the visible parts of the mesh, we choose, for each facet, the best pair that enforces both the overall visibility and coverage. The refinement step is applied for each facet using only the camera pair selected. This facetwise refinement helps the process to be applied in the most evenly way possible." @default.
- W4287563485 created "2022-07-25" @default.
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- W4287563485 date "2020-12-01" @default.
- W4287563485 modified "2023-09-29" @default.
- W4287563485 title "Facetwise Mesh Refinement for Multi-View Stereo" @default.
- W4287563485 doi "https://doi.org/10.48550/arxiv.2012.00564" @default.
- W4287563485 hasPublicationYear "2020" @default.
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