High Quality Content by WIKIPEDIA articles! In computer graphics, marching triangles is a technique for reconstructing two-dimensional surface geometry from an unstructured point cloud. Point clouds are typically generated from 3D laser scanning of real-world objects. In the past, accurate reconstruction methods employed Delaunay triangulations. However, newer techniques such as Marching Triangles and Ball-Pivoting employ a moving boundary front to reconstruct point cloud surfaces. Such techniques are generally more efficient than Delaunay triangulation and may provide similar accuracy in reconstruction.

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