NDLI: Direct sampling on surfaces for high quality remeshing

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Direct sampling on surfaces for high quality remeshing

Content Provider	ACM Digital Library
Author	Fu, Yan Zhou, Bingfeng
Abstract	Isotropic point distribution is crucial in remeshing process to generate a high-quality mesh. In this paper, we present a novel algorithm of isotropic sampling on two-manifold mesh surface. Our main contribution lies in the successful generalization of a 2D fast Poisson disk sampling algorithm, which makes it able to directly sample 3D mesh surfaces, including feature edges. We adopt geodesic distance as the distance metric for sampling algorithm in 3D to better capture the geometry information. Given a density function over the surface, we derive a close analytic form of the available boundary, which makes our algorithm support efficient adaptive sampling. To further improve the isotropy of point distribution, Lloyd relaxation is performed locally to optimize the location of sampling points. The whole process guarantees that new vertices lie on the original surface. Mutual tessellation is utilized to reconstruct the connectivity of new vertices, which guarantees the fidelity and validity of topology. Experiments show that our algorithm is able to remesh an arbitrary closed manifold into a high-quality mesh with large minimal angles and small number of irregular vertices.
Starting Page	115
Ending Page	124
Page Count	10
File Format	PDF
ISBN	9781605581064
DOI	10.1145/1364901.1364919
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2008-06-02
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Surface remeshing Poisson disk Sampling
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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